SEIKO - Service Manuals
740 manuals available for download
7D48 Technical Instruction - Assembly and Lubrication Manual
Detailed technical instruction manual for assembling the 7D48 movement. Contains step-by-step procedures for switching unit assembly, wheel assembly, circuit assembly with illustrations. Includes specifications for lubrication points, oil types (A0-3, A0-3II-1, A0-3II-2, A0-3II-3, A0-2II-1), coil block resistance ranges, and pivot lubrication instructions. Features identification notes distinguishing 7J-series components from 5J2-series counterparts, with attention to preventing component deformation during assembly.
Cal V10 Series Analogue Quartz Watch Technical Guide and Parts List
Technical guide and parts list for Cal V10 series analogue quartz watches. Covers specifications, step motor load-compensative driving pulse system, circuit block structure, disassembly and reassembly procedures for circular and square cases, calendar mechanism, lubrication, cleaning procedures, checking and adjustment instructions (quick start, fully charged capacitor, circuit block conductivity, capacitor, movement, reset condition, coil block, output signal, accuracy, current consumption), and detailed parts lists with illustrations for both V102A and V103A models.
Cal Y785A Digital Quartz Watch Technical Guide
Technical guide and parts list for Cal Y785A digital quartz watch. Includes specifications, operational temperature range (-30°C to +50°C), display functions (time display, stopwatch, alarm, time setting), construction diagrams for front and side button sections, disassembly and reassembly instructions with lubrication details, and complete parts list. Uses nematic liquid crystal display with FEM technology for low-temperature operation. Battery types: Maxell CR2016, Matsushita BR2016, or Sanyo CR2016 (3.0V, approximately 5 years life). Monthly rate loss less than 20 seconds at normal temperature range.
Cal. 1N00A and 1N01A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 1N00A and 1N01A. Includes detailed specifications, exploded views of movement components, disassembly and reassembly procedures with numbered parts, lubrication instructions using Moebius A oil, technical specifications for coil block resistance and current consumption, and notes on differences between the two calibers including alternative parts for hour wheel, circuit block, coil block, rotor stator, setting wheel, clutch wheel, and minute wheel.
Cal. 2K02A, 2K03A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. 2K02A and 2K03A quartz watch movements. Includes specifications (18.4 mm diameter, 2.5 mm height, 3-hand display, step motor driving system), disassembly and reassembly procedures with numbered diagrams, complete parts list with reference numbers, lubrication specifications, circuit block structure with C-MOS IC, value checking parameters (coil block resistance 2.3kΩ-2.7kΩ, current consumption), and assembly notes for train wheel setting lever and train wheel bridge positioning.
Cal. 3M21A/3M22A Power Resource Supplement
Supplement to the parts catalogue for Seiko caliber 3M21A/3M22A kinetic watches. Documents the change from original capacitor unit (3029 011) to new rechargeable battery unit (3027 29N) with enhanced performance. Includes comparative matrix showing indicator display duration and swing counts for both power resources, parts list with identification diagrams, and installation notes regarding capacitor clamp compatibility. Specifies that new rechargeable battery unit and clamp must be ordered together as set 3027 3MZ to avoid short circuit or movement damage.
Cal. 5E20A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5E20A quartz watch movement. Includes movement specifications, complete parts list with numbered diagrams, disassembly and reassembly procedures, lubrication requirements, circuit block structure, and value checking specifications for coil block resistance and current consumption.
Cal. 5G23A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5G23A quartz movement. Includes detailed specifications, disassembly and reassembly procedures, parts diagrams with numbered components, lubrication instructions, circuit block structure, and value checking procedures. Documents step motor driven movement with day and date calendar, calendar setting device, train wheel setting device, and electronic circuit reset switch. Features battery life indicator and 3V lithium battery specification.
Cal. 5L14A, 5L15A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 5L14A and Cal. 5L15A. Includes detailed exploded views with numbered parts, specifications (movement dimensions, battery type SR920SW/Maxell SR920SW/Sony Eveready 371, 3 jewels, step motor with load-compensated driving pulse), disassembly/reassembly procedures with lubrication instructions (Moebius A and SEIKO Watch Oil S-6), circuit block structure information with two interchangeable types, and technical value checking procedures (coil block resistance 2.7kΩ-3.2kΩ, current consumption specifications).
Cal. 5M22A/5M23A Power Resource Change Supplement
Supplement to the parts catalogue and technical guide for Seiko Cal. 5M22A and 5M23A movements. Documents the transition from original capacitor unit (3029 111) to new rechargeable battery unit (3023 44Z) with enhanced performance and longer duration. Includes comparative performance matrix showing indicator display duration and swing counts for both power sources, parts list with visual identification guides for capacitor clamp, rechargeable battery clamp, insulator components, and specifications for distinguishing original from new parts. Notes compatibility requirements and parts ordering information effective June 2000.
Cal. 6F24A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 6F24A quartz movement. Includes detailed exploded view diagrams of all movement components, parts numbering system with 40 figure references, specifications (19.0mm-22.0mm diameter, 3.2mm height), battery information (SR920SW variants, 1.55V), lubrication instructions with oil types, disassembly and reassembly procedures, moon phase indicator mechanism details, date dial variants, and value checking data (coil resistance 2.7kΩ-3.5kΩ, current consumption specifications). Published by Hattori Seiko Co., Ltd.
Cal. 7F18A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. 7F18A watch movement. Contains detailed specifications, movement diagrams, disassembly and reassembly procedures, component parts list with illustrations, and lubrication instructions. Covers solar position display, moon phase display, date and day hands, and instant setting devices. Movement specifications include step motor driving system, 2-hand time indication, monthly rate accuracy of less than 15 seconds, and battery life of approximately 3 years.
Cal. 7M Series Parts Catalogue and Technical Guide Supplement
Supplement to the parts catalogue and technical guide for Hattori Seiko Cal. 7M Series watches. Contains troubleshooting table for oscillating weight problems, repair notes for the automatic generating system including lubrication instructions, documentation of structural changes to the intermediate wheel and generating rotor, and post-repair testing procedures for power generating efficiency and operational continuity.
Cal. 7N00A, 7N01A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. 7N00A and 7N01A quartz watch movements. Includes specifications, exploded diagrams of movement components, parts list with part numbers, installation height discriminations for hands, combination tables for center wheels, fourth wheels and hour wheels, disassembly/reassembly procedures, circuit block structure, and value checking specifications for coil resistance and current consumption.
Cal. 8M15A and 8M18A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 8M15A and 8M18A quartz watch movements. Contains specifications, exploded diagrams with numbered parts, disassembly and reassembly procedures, lubrication information, and detailed technical instructions for hands installation, mode indicator adjustment, dial removal, battery replacement, and circuit block identification. Includes notes on proper clearances, component distinctions, and calibration procedures.
Cal. 8N20A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 8N20A quartz watch movement. Includes specifications, movement dimensions, disassembly and reassembly procedures, parts list with numbered components and exploded views, lubrication information, value checking procedures, and time accuracy adjustment instructions. Features circuit block structure diagram, battery specifications, and remarks on specific components such as train wheel bridge, setting lever assembly, and winding stem selection.
Cal. S129A Stopwatch Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for the Hattori Seiko Cal. S129A stopwatch module. Includes detailed specifications (198.1 x 81.6mm, 28.5mm height), liquid crystal FEM display with 1/4 multiplex driving system, and comprehensive parts identification with exploded views. Technical sections cover circuit block structure (A for stopwatch, B for printer), battery installation procedures, reassembly instructions for roll paper, liquid crystal panel, and print color adjustment. Contains value checking parameters (upconverter coil resistance 50-80Ω, current consumption <7.0µA) and measurement procedures using S-840A tester. Features thermal serial dot printing system with approximately 1.5 lines/sec print speed at 25°C.
Cal. SP11 Parts List and Assembly Diagrams
Single page document showing exploded views and parts list for Cal. SP11 model. Includes circuit block (4001 575), power switch, paper feed switch, battery connections (A, B, C, D), printer guide frame, printer unit, printer spacer, and plug for printer. Components illustrated with part numbers and corresponding reference table.
Cal. V231A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the V231A analogue quartz movement. Contains specifications, circuit block structure diagram, disassembly and reassembly procedures with illustrations for hands and hour wheel, battery clamp screw installation, and train wheel bridge adjustments. Includes checking and adjustment procedures for output signal, battery voltage and conductivity, circuit block conductivity, coil block testing, gear train mechanisms, reset condition verification, and accuracy testing. Parts list with 50+ components referenced by part numbers and names.
Cal. V250A V251A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for Calibre V250A and V251A analogue quartz watches. Includes specifications, screw references, disassembly and reassembly procedures for V251A, lubrication data, checking and adjustment procedures with circuit block structure, coil block testing, front gear train mechanism, reset condition verification, and comprehensive parts listing with component references and movement combinations.
Cal. V252A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the Calibre V252A analogue quartz watch movement. Includes specifications, list of screws used, detailed disassembly and reassembly procedures with lubrication instructions, circuit block structure, checking and adjustment procedures for reset condition, output signal, battery voltage, and coil block. Contains mechanical component diagrams with labeled parts and train wheel positioning information.
Cal. V253A Analogue Quartz Watch Technical Guide
Technical guide and parts list for Seiko caliber V253A analogue quartz watch. Contains specifications, screw list, disassembly and reassembly procedures with lubrication instructions, and complete parts list. Includes exploded views and mechanical diagrams for movement assembly.
Cal. V267A Analogue Quartz - Technical Guide and Parts List
Technical guide and parts list for Caliber V267A analogue quartz movement. Includes specifications, disassembly and reassembly procedures with lubrication instructions, checking and adjustment procedures for circuit block structure and output signal, battery voltage and conductivity tests, accuracy verification, current consumption testing, and detailed parts list with cross-references.
Cal. V3 Series Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for Cal. V3 series analogue quartz watches. Includes specifications for models V300, V301, V312, V313, V320, V321, V322, V329, V332, V333, V342, V343, V347, V348. Contains disassembly and reassembly procedures for calendar mechanism and drive coil gear train/selector mechanism, cleaning instructions, checking and adjustment procedures (battery voltage, coil block, accuracy, reset condition, current consumption), lubrication guide, and detailed parts listings with component combinations for movement types.
Cal. V600A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the Seiko Cal. V600A analogue quartz watch. Includes specifications, screw list, operation instructions for mode and button operation, time setting, hands positioning, battery replacement procedures, disassembly and reassembly instructions with lubrication specifications, checking and adjustment procedures for circuit blocks and alarm systems, and comprehensive parts nomenclature with part numbers.
Cal. V601A Analogue Quartz Technical Guide and Parts List
Complete technical guide and parts list for Caliber V601A analogue quartz watch movement. Includes specifications, screw list, operating instructions, disassembly and reassembly procedures with lubrication guidance, hands installation, battery replacement system reset, time setting procedures, and checking and adjustment sections covering coil blocks, current consumption measurements, and circuit testing. Detailed exploded diagrams showing movement components and assembly sequences.
Cal. V602A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber V602A analogue quartz watch movement. Covers specifications, operation modes, hand adjustments, time setting procedures, battery replacement, disassembly and reassembly, lubrication requirements, accuracy checks, coil block testing, current consumption measurement, and alarm system testing. Includes detailed exploded views of the movement, component locations, and replacement procedures.
CAL. VO11A Combination Quartz - Technical Guide and Parts List
Technical guide and parts list for Caliber VO11A combination quartz movement. Covers specifications, screw types, operation of analog and digital displays (time, calendar, stopwatch, alarm), disassembly and reassembly procedures with lubrication tables, checking and adjustment procedures for battery voltage, coil block, current consumption and bulb condition, and comprehensive parts list with exploded views showing all components.
Cal. W041A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Seiko Cal. W041A digital quartz watch movement. Includes specifications for FEM liquid crystal display with multiple driving system, disassembly and reassembly procedures for case and module with detailed illustrations, lubrication specifications, current consumption testing procedures, and complete parts list with part numbers. Features SEIKO CR2025 lithium battery with approximately 10 years battery life.
Cal. W309A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber W309A digital quartz watch module. Covers specifications, circuit block structure, display system with LCD and button operations, disassembly and reassembly procedures with detailed illustrations, checking and adjustment procedures including battery voltage, current consumption, bulb condition, accuracy testing, and alarm system diagnostics. Includes complete parts list with part numbers and component names.
Cal. Y14 Series Analogue Quartz Technical Guide
Technical guide and parts list for Cal. Y14 series analogue quartz watches. Contains specifications for models Y143A, Y148A, Y142A, Y147A, Y142B, Y147B. Includes disassembly and reassembly procedures for calendar mechanism and circuit block with drive coil and gear train. Details on lubrication points, cleaning procedures for plastic components, and comprehensive checking and adjustment procedures covering output signal, battery voltage and conductivity, circuit block conductivity, coil block, gear train mechanism, accuracy, reset condition, and current consumption. Full parts list with part numbers for all components.
CAL. Y48 Series Analog Quartz Technical Guide
Technical service manual for CAL. Y48 series analog quartz watches (Y480A, Y480B, Y481A, Y481B, Y482A). Includes specifications, circuit block schematics, disassembly and reassembly procedures with lubrication guidelines, electronic circuit diagrams, gear train mechanism illustrations, cleaning methods, and detailed checking and adjustment procedures. Contains sections on battery testing, circuit block conductivity checks, coil block testing, accuracy verification, and time adjustment using Quartz tester.
Cal. Y486A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber Y486A nematic liquid crystal digital quartz watch movement. Includes specifications, circuit block schematic, disassembly and reassembly procedures, cleaning methods, checking and adjustment procedures with detailed flowcharts, and complete parts list with part numbers and illustrations.
Cal. Y580A Analogue Quartz Watch Technical Guide
Technical guide and parts list for Calibre Y580A analogue quartz watch movement. Contains specifications, circuit block structure, step motor compensation driving pulse system, disassembly and reassembly procedures for hands and gear train, lubrication instructions, and checking and adjustment procedures including output signal, battery voltage, battery conductivity, circuit block conductivity, coil block, gear train mechanism, accuracy, and current consumption tests. Includes detailed exploded views of movement components and tool requirements.
Cal. Y651A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Calibre Y651A digital quartz watch. Contains specifications, circuit schematic, disassembly and reassembly procedures for case and mechanism, cleaning instructions, adjustment and checking procedures with control flowcharts, and complete parts list with component references.
Cal. Y652A Combination Quartz Watch Technical Guide
Technical guide and parts list for the Caliber Y652A combination quartz watch featuring both analog and digital displays. Includes specifications, circuit block schematic, time setting and display functions, disassembly and reassembly procedures with lubrication specifications, cleaning instructions, and detailed checking and adjustment procedures for all functions.
Cal. Y661A & Y662A Digital Quartz Technical Guide
Technical service guide for Calibre Y661A and Y662A digital quartz watches. Includes specifications, circuit block schematic, disassembly and reassembly procedures for case, liquid crystal panel and switch component mechanism, cleaning instructions with parts classification, and comprehensive checking and adjustment procedures covering battery voltage, circuit block, current consumption, accuracy, functioning, speaker block and switch components. Contains detailed diagrams and troubleshooting flowchart.
CAL. Y703A Digital Quartz Watch Technical Guide
Technical service manual for CAL. Y703A digital quartz watch. Contains specifications, disassembly and reassembly procedures for case and module, lubrication and cleaning instructions, checking and adjustment procedures including battery voltage, pattern segment checking system, liquid crystal panel contact verification, current consumption measurement, time accuracy adjustment, speaker block testing, bulb condition checks, and conductivity testing of switch components.
Cal. Y950A Combination Quartz Technical Guide
Technical guide and parts list for Cal. Y950A combination quartz watch movement. Includes specifications for analogical and digital sections, circuit block structure diagram, liquid crystal panel electrode relationships with output terminals, and complete parts list with part numbers and names for mechanical and electronic components.
Cal. Y960A Combination Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber Y960A combination quartz watch movement. Includes system reset procedure, circuit block installation notes, specifications, operation instructions for calendar and alarm functions, disassembly and reassembly procedures with lubrication points, detailed checking and adjustment procedures, and complete parts list with component references and screw specifications.
Cal.5Y13A Parts Catalogue - Hattori Seiko Co. Ltd
Parts catalogue and exploded view for Seiko Cal.5Y13A quartz watch movement. Includes labeled component diagram showing hour, minute and second hands, dial, day star with dial disk, date dial, date dial guard, hour wheel, day corrector, date driving wheel, and internal mechanical components. Detailed parts list with numbered references and specifications for screws, wheels, springs, and other mechanical elements.
Caliban Y468A Y469A Analogue Quartz Technical Guide
Technical service manual for Caliban Y468A and Y469A analogue quartz watches. Contains specifications, disassembly and reassembly procedures for calendar and setting mechanism, electronic circuit and gear train mechanism with detailed diagrams. Includes checking and adjustment procedures covering output signal, battery voltage and conductivity, circuit block conductivity, reset and second setting conditions, coil block, accuracy, battery life indicator and current consumption. Features step-by-step illustrations and parts lists for both calibres.
Caliber V220A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber V220A analogue quartz watch movement. Contains specifications, list of screws used, detailed disassembly and reassembly procedures with lubricating information, checking and adjustment procedures including circuit block testing, battery voltage and conductivity checks, front and back gear train mechanism inspection, reset condition procedures, and complete parts list with part numbers and names.
Caliber V233A Analogue Quartz Technical Guide
Technical guide and parts list for Caliber V233A analogue quartz movement. Includes specifications (three-hand indication system, step motor with fixed pulse system, second setting device, electric reset switch), disassembly and reassembly procedures with lubrication instructions, hand removal techniques, dial and movement assembly notes, battery and jewel specifications, screw types identification, checking and adjustment procedures (output signal, battery voltage, coil block resistance), and comprehensive parts list with cross-references. Contains detailed mechanical diagrams and component illustrations.
Caliber WO40A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber WO40A digital quartz watch movement. Includes specifications, circuit block structure, display functions with multiple modes (time, calendar, alarm, timer, dual time), disassembly and reassembly procedures for case and module with lubrication instructions, battery and current consumption checks, alarm condition verification, pattern segment mode testing, bulb condition checks, and complete parts listing with component references.
Caliber Y10/Y11 Series Analogue Quartz Technical Guide
Technical service manual for Caliber Y10 and Y11 series analogue quartz watches (Y100A, Y101A, Y102A, Y112A, Y113A). Includes specifications, circuit block schematics, list of screws used, step motor compensation drive pulse system description, complete disassembly and reassembly procedures for calendar mechanism and circuit block, cleaning procedures, and detailed checking and adjustment procedures covering output signal verification, battery voltage and conductivity testing, circuit block conductivity checks, reset and setting conditions, coil block testing, accuracy verification, and current consumption measurement.
Caliber Y113A Parts List
Parts list for Caliber Y113A watch movement. Includes part numbers and names for train wheel bridge, wheels, pinions, setting mechanism, day/date wheels with multiple dial variants (English, French, Italian, Japanese, Arabic, German), fifth wheel, date driving wheel, date guard, snap for day star, and circuit block. Two-column layout showing component designations and assembly references.
Caliber Y432B Parts List and Exploded Views
Parts list with exploded views for Caliber Y432B mechanical watch movement. Includes center wheel bridge, third wheel bridge, hour wheel, minute wheel, escape wheel, clutch wheel, yoke lever, dial washer, hour wheel ring, rotor, coil block, step rotor, circuit block components and battery assembly parts. Referenced battery types: Maxell SR821SW and Seizaiken TR821SW.
Caliber Y450A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber Y450A digital quartz watch movement. Contains specifications, disassembly and reassembly procedures for case and module, cleaning methods, checking and adjustment procedures with detailed block diagrams for troubleshooting, liquid crystal panel electrode diagram, and complete parts list with part numbers.
Caliber Y481B Parts List
Parts list for Caliber Y481B watch movement. Includes component references and part numbers for auxiliary plate, train wheels, pinions, center wheels, hour wheels, winding stem, setting lever, circuit block, coil block, battery, rotor stator, and battery connections. Specifies three types combining fourth wheel, center minute wheel, and hour wheel variants.
Caliber Y499A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Caliber Y499A digital quartz watch module. Includes specifications, circuit block schematic, disassembly and reassembly procedures, cleaning instructions, checking and adjustment procedures with troubleshooting guide, and complete parts list with part numbers. Features liquid crystal display with time, calendar, and automatic calendar functions. Covers models Y490 and Y499 variants with detailed procedures for battery voltage checking, current consumption measurement, conductivity testing, accuracy adjustment, and functioning verification.
Caliber Y520A Analogue Quartz Technical Guide
Technical guide and parts list for the Caliber Y520A analogue quartz movement. Contains specifications, disassembly and reassembly procedures for hour and minute hands, battery clutch wheel, and train wheel bridge screws. Includes checking and adjustment procedures with testing methods for output signal, battery voltage and coil block resistance. Step-by-step illustrations with labeled components.
Caliber Y541A Digital Quartz Technical Guide and Parts List
Complete technical guide for Caliber Y541A digital quartz movement. Includes specifications, circuit block structure, disassembly and reassembly procedures for second hand and hour wheel, circuit block, coil block and gear train. Detailed checking and adjustment procedures covering output signal verification, battery voltage testing, battery conductivity, circuit block conductivity, coil block inspection, second setting conditions, accuracy checking, and time accuracy adjusting. Comprehensive parts list with part numbers and names. Features 3-hand time indication, electronic circuit reset switch, battery life indicator, and trimmer condenser regulation system.
Caliber Y56 Series Analogue Quartz Watch Technical Guide
Technical guide and parts list for Calibre Y56 series analogue quartz watches (models Y561, Y562, Y563, Y572, Y573). Includes specifications, circuit schematic, disassembly and reassembly procedures with mechanical diagrams, lubrication instructions, detailed cleaning procedures, and comprehensive checking and adjustment procedures covering output signal, battery voltage, circuit block conductivity, coil block, second setting, reset condition, gear train mechanism, and accuracy. Contains parts list with part numbers and references for all mechanical and electronic components.
Caliber Y723A Digital Quartz Technical Guide and Parts List
Complete technical guide and parts list for the Y723A digital quartz movement. Covers specifications, disassembly and reassembly procedures for case and module, cleaning instructions, checking and adjustment procedures with detailed flowcharts, battery voltage testing, liquid crystal panel electrode relationship mapping, current consumption measurement, accuracy checking, and bulb replacement procedures. Includes parts nomenclature for module components.
Caliber Y726A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Caliber Y726A digital quartz watch movement. Includes specifications, disassembly and reassembly procedures for the case, glass removal instructions, switch lead board handling notes, and case screw tightening procedures. Features a four-function changeover system with time, stopwatch, counter and time/calendar functions. Complete exploded view diagram of the case assembly with all components labeled.
Caliber Y770A Digital Quartz Technical Guide
Technical service manual for the Caliber Y770A digital quartz watch movement. Covers specifications, circuit block schematic, disassembly and reassembly procedures, cleaning instructions, and detailed checking and adjustment procedures. Includes battery voltage checks, conductivity testing, water resistance verification, liquid crystal panel testing, accuracy calibration, and alarm function testing. Features pictogram and indicator type segment display documentation with electrode mapping diagrams. Parts list included with reference numbers.
Caliber Y800A Digital Quartz Technical Guide
Technical guide and parts list for the Caliber Y800A digital quartz watch movement. Includes specifications, circuit block schematic with trimmer and smoothing condensers, detailed disassembly and reassembly procedures with numbered component diagrams, cleaning instructions for connector, plastic parts and other components, and comprehensive checking and adjustment procedures covering battery voltage, circuit block and liquid crystal panel conductivity, current consumption, time accuracy, and switch components functionality. Features guide table for troubleshooting display failures and malfunctions.
Caliber Y961A Combination Quartz Technical Guide and Parts List
Technical guide and parts list for caliber Y961A combination quartz movement. Includes foreword on system reset after battery replacement, circuit block installation notes, specifications for analog and digital display with FEM liquid crystal panel, operation instructions for calendar/alarm/timer functions, disassembly and reassembly procedures for case middle, rear and front movements with lubrication guidance, checking and adjustment procedures including circuit block structure, liquid crystal panel electrodes relationship, output signal verification, battery and circuit block conductivity tests, accuracy measurement, current consumption analysis, and complete exploded parts diagrams.
Calibre 0680A Digital Quartz Watch Technical Guide
Technical service manual for the Calibre 0680A digital quartz watch. Contains specifications, after-servicing instruments and materials, disassembly and reassembly procedures for case and movement components, cleaning methods, checking and adjustment procedures including battery, accuracy, time setting, and bulb checks. Covers MOS-IC output terminal connections and segment identification for the LCD display.
Calibre V12 Series Technical Guide and Parts List
Technical service manual for Calibre V12 Series battery-less analogue quartz watches. Covers disassembly and reassembly procedures for calendar mechanism, circuit block, drive coil and gear train/selector mechanism. Includes detailed lubrication charts, cleaning instructions, and comprehensive checking and adjustment procedures. Features guide tables for solar cell output voltage, solar cell conductivity, capacitor unit conductivity, circuit block conductivity, movement operation, output signal, reset condition, coil block, accuracy, operation life and current consumption. Contains specifications for models V121A and V122A with three hands and date display. Disassembly and reassembly procedures illustrated with detailed diagrams. Parts list with part numbers provided.
Calibre V230B Parts List
Parts list for Calibre V230B movement with 1 jewel. Includes train wheel bridge, winding stem cock, guide pipe, minute and hour wheels, center minute wheel, hour wheel, setting wheel, escape wheel, winding stem, minute wheel bridge, roller assembly, hour wheel rings, fifth wheel, fourth wheel holder, circuit block, step rotor, battery clamp, rotor stator, motor connection, dial spacer, reset lever, screws, and battery. Two types of center minute wheel and hour wheel combinations are specified.
Calibre V249A Analogue Quartz Watch Technical Guide
Technical guide and parts list for Calibre V249A analogue quartz watch. Includes specifications, disassembly and reassembly procedures with lubrication details, checking and adjustment procedures for circuit block structure and output signal, battery voltage and conductivity tests, coil block diagnostics, front and back gear train mechanism inspection, accuracy verification, and complete parts list with winding stem and date dial variations.
Calibre V347A Parts List
Parts list for Calibre V347A watch movement. Includes train wheel bridge, center wheel, pinion, fourth wheel, hour wheel, minute wheel, winding stem, clutch wheel, setting lever, fifth wheel, calendar correction wheel, date dial, circuit block, coil block, rotor stator, battery connections, and various screws. Lists available battery options: SEIKO SR920SW, MAXELL SR920SW, U.C.C. 371, SONY SR920SW, MATSUSHITA SR920SW. Specifications for date dials with different crown and calendar frame positions.
Calibre V53 Series Service Guide
Service guide for Calibre V53 series watches (models V532, V533, V537). Contains specifications, movement technical data, crown removal instructions, hand installation procedure, movement operation checking with external power supply, day star with dial disk replacement procedure, winding stem information, and valve checking with current consumption test using SEIKO Digital Multi Tester S-840A.
Calibre VO01A Combination Quartz Technical Guide and Parts List
Technical guide and parts list for the Calibre VO01A combination quartz watch. Covers specifications, circuit block schematic with C-MOS LSI component details, time setting and display functions for both analogue and digital sections, disassembly and reassembly procedures with hand installation, coil block screw positioning, switch lever bush details, and main plate spring screw adjustments. Includes lubrication specifications, complete cleaning procedures for all components, checking and adjustment procedures with diagnostic flowcharts for both analogue and digital sections covering output signal, battery voltage, circuit block testing, current consumption, coil block verification, reset and train wheel settings, time accuracy, alarm function and test system verification.
Calibre Y430A Digital Quartz Watch Technical Guide
Technical service manual for Calibre Y430A digital quartz watch. Covers specifications, display features (time, calendar, day, date with alpha characters), battery life indicator with flashing display, and crystal oscillator at 32.768 Hz. Includes detailed disassembly and reassembly procedures for case, buttons, liquid crystal panel, connectors, battery components, and circuit block. Features comprehensive checking and adjustment procedures including battery voltage and conductivity tests, liquid crystal panel diagnostics, switch component verification, current consumption measurement, accuracy adjustment using special circuit calibration method, battery life indicator testing, bulb condition verification, and full functional testing. Provides parts list with specific component references and replacement procedures. Contains cleaning procedures with solutions and drying methods for various components.
Calibre Y476A Digital Quartz Technical Guide and Parts List
Complete technical guide and parts list for Calibre Y476A digital quartz watch. Includes specifications, circuit block schematic, disassembly and reassembly procedures with exploded views, cleaning instructions, checking and adjustment procedures for battery voltage, liquid crystal panel, circuit block, current consumption, accuracy, functioning, switch components, and speaker block. Features detailed procedures for time and alarm settings, timer functions, and time/calendar adjustments.
Calibre Y480B Parts List and Specifications
Parts list for Calibre Y480B watch movement. Includes numbered component references with part names (auxiliary plate, train wheel bridge, center wheel, pinion, hour wheel, winding stem, etc.), friction washers, switch lever, step rotor, battery components, and associated screws. Contains remarks on winding stem variants and center wheel/pinion combinations. References alternate battery options (Maxell SR621SW and Seiko SG621SW).
Calibre Y482C Service Guide - Specifications
Service guide for Calibre Y482C quartz watch movement. Contains specifications including 2-hand time indication, 5-step motor driving system with load-compensated driving pulse type, movement size of 18.4 mm (6h-12h) x 18.4 mm (3h-9h) x 16.3 mm height, #17.8 mm casing diameter, 2.8 mm height including battery, 10-second quartz tester gate, and battery specifications (SEIKO TR215W, MAXELL SR215W). Monthly rate loss noted as less than 20 seconds at normal temperature range. No jewels used. Notes indicate differences from Y482A model including elimination of reset lever and train wheel setting lever.
Calibre Y551A, Y552A, Y553A Technical Guide - Analogue Quartz
Technical service manual for Calibre Y551A, Y552A and Y553A analogue quartz movements. Covers specifications, time and calendar setting procedures, disassembly and reassembly of modules including calendar mechanism, circuit block, coil block and gear train, lubrication points, cleaning methods for different components, and detailed checking and adjustment procedures. Includes procedures for battery voltage checking, circuit block conductivity, coil block inspection, output signal verification, and current consumption measurement. Features comprehensive diagrams and component identification.
Calibre Y557, Y558, Y559 Technical Guide and Parts List
Technical guide and parts list for Calibre Y557, Y558, Y559 analogue quartz watches. Covers specifications, time and calendar setting, disassembly and reassembly of calendar mechanism, circuit block, coil block and gear train. Includes lubrication procedures, cleaning instructions for electronic components, and checking and adjustment procedures for output signal, battery voltage, battery conductivity, circuit block conductivity, coil block, accuracy, and gear train. Contains detailed illustrations of movement components and calendar correction mechanism.
Calibre Y591A Analogue Quartz Technical Guide
Technical guide and parts list for Calibre Y591A analogue quartz watch movement. Contains specifications, circuit block schematic, disassembly and reassembly procedures for the movement including winding stem removal, cleaning instructions, and detailed checking and adjustment procedures covering output signal verification, battery voltage testing, circuit block conductivity checks, coil block inspection, current consumption measurement, and reset/second setting condition verification. Includes complete parts list with component references and train wheel variations.
Calibre Y666A Digital Quartz Technical Guide
Technical guide for Calibre Y666A digital quartz movement. Contains specifications, circuit schematic with C-MOS-LSI quartz unit, disassembly and reassembly instructions, lubrication information, and checking/adjustment procedures. Includes liquid crystal panel testing procedures, current consumption measurements, and functional adjustment diagrams for time display, alarm display, stopwatch display, and game function modes. Parts list with Sanyo CR2016 lithium battery specification.
Calibre Y702A Digital Quartz Technical Guide
Technical guide for Calibre Y702A digital quartz movement. Covers specifications, disassembly and reassembly of case and module, glass replacement procedures, cleaning instructions, and detailed checking and adjustment procedures. Includes segment relationships for liquid crystal panel electrodes, battery electrolyte leakage repair, current consumption measurement, timekeeping accuracy adjustment, and switch spring function verification.
Calibre Y716A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Calibre Y716A digital quartz watch movement. Includes specifications, display functions (time display, timer, alarm), disassembly and reassembly procedures for case and module with lubrication instructions, detailed checking and adjustment procedures (battery voltage and conductivity, water resistance, liquid crystal panel contact, accuracy, alarm function, switch conductivity), circuit block structure diagrams, segment electrode relationships, and complete parts list with replacement references.
Calibre Y760A Digital Quartz Technical Guide and Parts List
Complete technical guide for the Calibre Y760A digital quartz watch. Includes specifications, circuit block schematic, piezo electric speaker system details, disassembly and reassembly procedures for case and module with lubrication specifications, cleaning instructions for various components, comprehensive checking and adjustment procedures covering battery voltage, conductivity, current consumption, water resistance, liquid crystal panel contact verification, accuracy checking, and functioning tests. Parts list with identification codes provided.
Calypso Y765A Digital Quartz Technical Guide
Technical service manual for the Calypso Y765A digital quartz watch. Covers specifications, display functions (time, alarm, stopwatch, game modes), disassembly and reassembly procedures for module and case, cleaning instructions, component relationships for liquid crystal panels and C-MOS-LSI output terminals, and detailed checking and adjustment procedures including battery voltage, conductivity, current consumption, water resistance, liquid crystal panel testing, accuracy adjustment, functioning tests, and alarm function verification. Includes circuit block schematics, parts list, and troubleshooting guide.
Casio Y665A Digital Quartz Technical Guide and Parts List
Technical manual for the Casio Y665A digital quartz watch. Includes specifications, circuit schematic, disassembly and reassembly procedures for the case and module, cleaning instructions, checking and adjustment procedures with troubleshooting flowchart, and complete parts list with part numbers.
Casio Y735A Digital Quartz Technical Guide and Parts List
Complete technical documentation for the Casio Y735A digital quartz watch. Includes specifications, circuit block schematic, display functions with multiple modes (time/calendar, calculator, alarm, numerical memory, stopwatch), detailed disassembly and reassembly procedures for case and module, cleaning instructions, comprehensive checking and adjustment procedures with troubleshooting flowchart, and illustrated parts list. Features specifications for the nematic liquid crystal FEM display system, lithium battery (3.0V, approx. 3 years life), and multiple integrated mechanisms including alarm test system, hourly time signal, and automatic return system.
Casio Y739A Digital Quartz Technical Guide and Parts List
Complete technical guide and parts list for the Casio Y739A digital quartz watch. Includes specifications, circuit block schematics (front and back side), display and key operation instructions, time setting procedures, calculator functions, disassembly and reassembly procedures for case and module with lubrication specifications, glass and keyboard replacement instructions, detailed checking and adjustment procedures with flowchart troubleshooting guide, battery maintenance, water resistance testing, liquid crystal panel and circuit block inspection, accuracy adjustment, and keyboard conductivity checks. Features comprehensive illustrations of internal components and assembly procedures.
Citizen Cal. Y771A Digital Quartz Technical Guide
Technical service manual for Citizen Cal. Y771A digital quartz watch. Covers display functions (time, alarm, stopwatch, memory, time setting), disassembly and reassembly procedures with exploded module diagrams, cleaning instructions for various components, and comprehensive checking and adjustment procedures including battery voltage, battery conductivity, current consumption, water resistance, liquid crystal panel contact verification, accuracy checks, switch component testing, bulb condition verification, and alarm function testing. Includes liquid crystal panel electrode segment diagrams, C-MOS-LSI terminal layout, and parts list with replacement references.
Citizen V230A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for the Citizen V230A analogue quartz watch. Contains specifications, disassembly and reassembly procedures with lubrication instructions, checking and adjustment procedures including output signal, battery voltage and conductivity, circuit block conductivity, gear train mechanisms, reset condition, current consumption, accuracy, water-resistant quality and appearance checks. Includes exploded diagrams of internal mechanisms and complete parts list with part numbers.
Citizen Y100A Y101A Parts List
Parts list for Citizen Y100A and Y101A movements. Includes train wheel bridge, center wheel and pinion, third wheel and pinion, fourth wheel and pinion, minute wheel, hour wheel, setting wheel, clutch wheel, winding stem, setting lever, setting lever spring, second-setting lever, dial washer, fifth wheel and pinion, escape wheel, coil block, step rotor, rotor stator, battery connections, screws, jewels, tubes for battery and train wheel bridge connections, and battery component. Two types of center minute wheel and hour wheel combinations specified.
Citizen Y590 Analog Quartz Watch Technical Guide and Parts List
Technical guide and parts list for Citizen Y590 analog quartz watch. Contains specifications, circuit schematic, disassembly and reassembly procedures with illustrations, cleaning and lubrication instructions, checking and adjustment procedures including battery voltage, conductivity tests, coil block testing, gear train mechanism inspection, and accuracy checking. Includes detailed component layout diagrams and troubleshooting flowchart.
Citizen Y643A Y642A Analogue Quartz Technical Guide
Technical guide and parts list for Citizen Y643A and Y642A analogue quartz watches. Includes specifications, circuit schematic, disassembly and reassembly procedures with lubricant information, calendar and setting mechanism details, cleaning methods, and comprehensive checking and adjustment procedures. Contains parts list with part numbers and component variations.
Citizen Y729A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Citizen Y729A digital quartz watch. Includes specifications, disassembly and reassembly procedures with illustrated exploded views, lubrication instructions, checking and adjustment procedures for battery, display segments, liquid crystal panel, circuit block, current consumption, accuracy, bulb condition, and switch components. Features detailed component breakdown with part numbers and replacement procedures.
Citizen Y772A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Citizen caliber Y772A digital quartz watch. Contains specifications, display functions (time, alarm, stopwatch, biorhythm, birthday and time settings), disassembly and reassembly procedures, cleaning instructions with solvents and methods by part type, comprehensive checking and adjustment guide with troubleshooting flowchart, liquid crystal panel electrode relationship diagrams, circuit block schematics with component identification, and step-by-step procedures for battery voltage check, current consumption measurement, water resistance testing, liquid crystal panel and circuit block verification, accuracy adjustment, and functional checks. Parts list includes circuit block, battery clamp, speaker lead terminal, connector, liquid crystal panel frame, circuit cover, liquid crystal panel, reflecting mirror, and bulb specifications.
Citizen Y780A/Y786A/Y789A Digital Quartz Technical Guide
Technical guide and parts list for Citizen digital quartz watch models Y780A, Y786A, and Y789A. Includes specifications, circuit block schematic, display functions, disassembly and reassembly procedures for module and case, cleaning instructions, and detailed checking and adjustment procedures with troubleshooting flowchart. Features battery voltage checks, conductivity tests, water resistance verification, liquid crystal panel contact checks, accuracy adjustment, functioning tests, switch component verification, bulb condition checks, and alarm function testing.
Citizen Y816A Y819A Digital Quartz Technical Guide
Technical service manual for Citizen Y816A and Y819A digital quartz watches. Contains specifications, circuit schematic, disassembly and reassembly procedures with illustrated diagrams, cleaning instructions for various components, comprehensive checking and adjustment procedures with diagnostic flowchart, battery information, and parts list with component identification.
Citizen Y951A Combination Quartz Technical Guide
Technical guide and parts list for Citizen Cal. Y951A combination quartz watch movement. Covers specifications, screw types, disassembly and reassembly procedures for panel frame, circuit block cover and coil block. Includes lubrication notes, cleaning procedures and comprehensive checking and adjustment procedures with circuit block schematic, segment relationships, battery checks, water resistance testing, accuracy verification and gear train mechanism adjustments.
Credor Cal. 4S77A Movement - Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Credor Cal. 4S77A automatic winding movement. Includes detailed specifications, exploded diagrams with numbered parts identification, disassembly and reassembly procedures, hand installation instructions, setting positions for calendar mechanisms, and jewel/screw/pin component lists. Features 28,800 vibrations per hour, 28 jewels, and calendar functions with date and day of week display.
Digital Quartz Technical Guide and Parts List Y750A Y756A Y759A
Technical guide and parts list for Calibre Y750A (Y740A), Y756A (Y746A), and Y759A (Y749A) digital quartz watches. Includes specifications, circuit block schematic, piezo electric speaker construction, display functions, disassembly and reassembly procedures with lubrication and cleaning instructions, checking and adjustment guide with troubleshooting flowchart, component conductivity checks, accuracy verification, battery and bulb testing procedures, and complete parts listing with component reference numbers.
Hattori Seiko A781A Watch Module Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Hattori Seiko A781A digital watch module. Includes specifications, exploded view diagrams showing battery clamp, circuit block cover, insulators, buzzer terminal, battery connection, circuit block, front switch springs, connectors, liquid crystal panel and frame. Technical sections cover circuit block structure, battery installation notes, disassembly and reassembly procedures with detailed illustrations, and value checking information including coil resistance, current consumption, time accuracy tests and alarm functionality tests.
Hattori Seiko Cal. 2P20A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. 2P20A quartz movement. Includes detailed specifications, disassembly and reassembly procedures, parts diagram with numbered components, lubrication instructions, and technical notes on circuit block assembly. Features two-hand movement with 20-second step motor drive, step rotor, train wheel setting device, and electronic circuit reset switch. Specifications: 13.0-15.5mm diameter, 1.8mm height, SEIKO SR516SW or Maxell SR516SW battery (1.55V), 2 jewels.
Hattori Seiko Cal. 3L12A, 3L14A, 3L19A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko quartz watch movements Cal. 3L12A, 3L14A, and 3L19A. Includes specifications, complete exploded parts diagrams with numbered components, disassembly and reassembly procedures, lubrication instructions, circuit block structure, battery setting information, train wheel bridge positioning, and electrical value checking procedures. Covers step motor driving system, date calendar mechanism, and circuit block components.
Hattori Seiko Cal. 5E29A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5E29A quartz watch movement. Contains movement specifications (23.0 mm diameter, step motor driven), complete parts diagram with 33 numbered components, disassembly/reassembly procedures, lubrication instructions, and remarks on specific parts including holding ring for dial, date dial variants (801 959, 801 958, 801 957, 878 511), and winding stem. Battery: SEIKO SR716SW or Matsushita SR716SW (3-year life, 1.55V). Includes train wheel bridge setting position diagrams.
Hattori Seiko Cal. 7454A Parts Catalogue
Parts catalogue for Hattori Seiko quartz watch movement Cal. 7454A with moon phase indicator. Contains exploded views of the movement showing hour, minute and second hands, dial, moon phase unit, date function components, and all wheels and jewels. Includes component part numbers and assembly details for battery, coil block, circuit block, step rotor, and clutch mechanism.
Hattori Seiko Cal. 8M25A 8M25B Parts Catalogue
Parts catalogue and technical guide for Hattori Seiko caliber 8M25A and 8M25B quartz movements. Includes specifications, exploded views of movement components, disassembly and reassembly procedures, lubrication guidelines, and detailed technical remarks on mode indicator, circuit block, battery installation, and other functional elements. Features specifications for both calibers highlighting their differences in mode indicator design and switch spring components.
Hattori Seiko Cal. D410A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Hattori Seiko Cal. D410A digital watch module. Contains specifications, exploded views of components including case back, gasket, conducting plate, module, buttons, battery components, circuit block, liquid crystal panel and frame. Includes technical sections covering circuit block structure, segment-electrode relationships, disassembly/reassembly procedures, battery installation remarks, and value checking parameters for upconverter coil resistance, time accuracy and current consumption.
Hattori Seiko Cal. V33FA V33GA Parts Catalogue Technical Guide
Parts catalogue and technical guide for Hattori Seiko calendar watch movements Cal. V33FA and V33GA. Includes specifications, disassembly and reassembly procedures, parts diagrams with numbered components, hand installation instructions, calendar wheel positioning, lubrication specifications, and electrical value checking procedures.
Hattori Seiko Cal. V400A V401A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Hattori Seiko calibers V400A and V401A quartz movements. Includes specifications, disassembly/reassembly procedures, circuit block structure, train wheel bridge settings, main plate lubrication instructions, and component value checking. Features parts diagrams with numbered components, movement specifications (2 or 3 hands, step motor driving systems), battery information, and detailed technical remarks on handling plastic components.
Hattori Seiko Cal. V692A Watch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. V692A quartz watch movement. Includes specifications, detailed parts diagrams with numbered components, disassembly and reassembly procedures, circuit block structure, battery installation instructions, and value checking procedures for coil block resistance, time accuracy, and current consumption. Contains specifications for 24mm watch case with 2 hands and mode indicator, step motor driving system, electronic circuit reset switch with 60-minute reset function, and battery life approximately 2.5 years (SEIKO SR920W, Maxell SR920W, or SONY SR920W).
Hattori Seiko Cal. W306A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. W306A digital watch module. Includes specifications, disassembled parts diagrams, component identification, circuit block structure, segment electrode designations, battery installation procedures, and value checking parameters. Contains detailed exploded views and technical remarks for repair and reassembly.
Hattori Seiko Cal.2A24A Parts Catalogue
Parts catalogue for Seiko Cal.2A24A quartz watch movement. Includes exploded view diagrams of the complete movement assembly, moon phase indicator unit, wheel train components, and clutch mechanism. Detailed parts list with reference numbers for hands, dial, moon phase indicator, wheels, pinions, levers, and all screws. Shows battery type (SEIKO TR621SW) and complete mechanical assembly layout.
Hattori Seiko V336A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Hattori Seiko V336A quartz watch movement. Includes specifications (24.0mm diameter, step motor driving system), complete parts diagram with numbered components, assembly and disassembly procedures for hands and calendar mechanism, setting procedures for date and day jumpers, and calibration details. Features calendar and day date functions with electronic circuit reset switch. Battery life approximately 3 years.
Hattori Seiko V803A Movement - Parts Catalog & Technical Guide
Complete parts catalog and technical guide for the Hattori Seiko V803A quartz watch movement. Contains specifications (3-hand dial, 18.4mm case diameter, 2.5mm height, step motor driving system), disassembly/reassembly procedures with 33 numbered illustrated parts views, complete parts list with reference numbers, lubrication specifications (Moebius A and SEIKO Watch Oil S6), battery information (SR621SW, SR215W types, 1.68V, 2-year life), circuit block structure diagram, and value checking procedures (coil block resistance 2.3-2.7kΩ, current consumption less than 1.2µA). Includes remarks on winding stem removal, train wheel setting lever positioning, and train wheel bridge assembly.
Hattori Seiko V899A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko V899A quartz watch movement. Includes specifications (17.6mm diameter, 2.6mm height, 2-hand time indication, date calendar function), detailed parts diagram with numbered components, disassembly/reassembly procedures, battery information (SEIKO SR621SW, Maxell SR621SW, SONY SR621SW, Eveready 364), lubrication specifications (Moebius A and SEIKO Watch Oil S-6), circuit block structure, and value checking procedures (coil block resistance 2.7kΩ-4.1kΩ, current consumption specifications).
Lassale Cal. 2E50A Quartz Parts Catalogue
Parts catalogue for Lassale quartz watch calibre 2E50A. Contains component list with part numbers, exploded views of movement assembly, characteristics (15.1 mm case diameter, 2.2 mm height without battery, 32,768 Hz oscillator, step motor driving system), and combination table for center minute wheel and hour wheel variants. Includes jewelry and component specifications.
Lassale Quartz Cal. 2A52A Parts Catalogue
Parts list and identification guide for the Lassale Quartz Cal. 2A52A watch movement. Includes numbered part references for train wheels, pinions, escapement components, dial components, circuit block, rotor stator, battery connections, screws, and tubes. References Seiko Tranh, Maxell SR916SW, U.C.C. 364, and Sony Everedia batteries.
Lassale Seiko Cal. 1231A Quartz Watch Parts Catalogue
Parts catalogue for Lassale Seiko Cal. 1231A quartz movement. Includes detailed illustrated parts list with part numbers, characteristics (32,768 Hz frequency, step motor, trimmer condenser regulation system), and combination variants for fourth wheel & pinion, center minute wheel, and hour wheel. Two type combinations shown with technical drawings.
Lassale Seiko Cal. 1E50A Parts Catalog
Parts catalog and technical specifications for Lassale Seiko quartz watch movement Cal. 1E50A. Includes complete parts list with part numbers, mechanical component views showing train wheel assembly, rotor, step motor components, and battery connection parts. Technical characteristics: 8.5 mm casing diameter, 2.6 mm maximum height, 5 jewels, 32,768 Hz quartz crystal oscillator, step motor drive system with rotary step switch regulation.
Lassale Seiko Cal. 2F50A Quartz Technical Guide
Technical guide for the Lassale Seiko quartz movement Cal. 2F50A. Contains specifications, circuit block structure, disassembly and reassembly instructions for hands, dial, battery connection, train wheel bridge screw, and setting lever spring screw. Includes detailed checking and adjustment procedures covering output signal, hands setting condition, battery voltage and conductivity, circuit block conductivity, coil block, gear train mechanism, reset and train wheel setting condition, current consumption, accuracy, and appearance.
Lassale Seiko Quartz Cal. 2F50A Technical Guide
Technical manual for the Lassale Seiko Quartz Cal. 2F50A wristwatch. Includes specifications, circuit block structure, complete disassembly and reassembly procedures for hands, battery connection, train wheel bridge screw, and setting lever spring. Detailed checking and adjustment procedures covering output signal, hands setting condition, battery voltage and conductivity, circuit block conductivity, coil block, gear train mechanism, reset and train wheel setting condition, current consumption, accuracy, and appearance. Parts list with numbered components and exploded views.
Lassale Seiko Quartz Cal. 5A50A, 5A54A Technical Guide
Technical manual for Lassale Seiko quartz watches caliber 5A50A and 5A54A. Includes parts catalog with exploded views, specifications, disassembly and reassembly procedures with lubrication points, battery installation instructions, and checking procedures for output signal, battery voltage, coil block, reset condition, accuracy and current consumption.
Parts Catalogue and Technical Guide Cal. 3E22A, 3E23A, 3E29A, 3E32A, 3E39A
Technical documentation for five Hattori Seiko quartz watch movements. Contains specifications table, exploded parts diagrams with numbered components, remarks on day star and date dial variants, combination tables for center wheel, fourth wheel, hour wheel and main plate assemblies. Technical guide covers circuit block structure, disassembly/reassembly procedures, battery installation, train wheel bridge positioning, and value checking (coil block resistance and current consumption). Parts list includes 38 numbered components.
Parts Catalogue and Technical Guide for Cal. 5P22A, 5P23A, 5P29A
Official parts catalogue and technical guide for Seiko quartz watch movements Cal. 5P22A, 5P23A, and 5P29A. Includes specifications, exploded diagrams with numbered parts, disassembly and reassembly procedures, lubrication instructions, circuit block structures, and valve checking information. Features detailed component lists, battery specifications, and remarks on specific parts variations.
Parts Catalogue and Technical Guide for Seiko Cal. 5Y22A, 5Y23A, 5Y30A, 5Y31A, 5Y32A, 5Y39A
Complete parts catalogue and technical guide for Hattori Seiko quartz watch movements Cal. 5Y22A, 5Y23A, 5Y30A, 5Y31A, 5Y32A, and 5Y39A. Includes detailed exploded view diagrams, specifications table with movement dimensions and features, parts lists with component numbers, assembly/disassembly procedures, lubrication instructions, circuit block structure details, and electrical specifications. Covers step motor driven movements with calendar functions and variants.
Pulsar CAL. V091 Duo-Display Quartz Watch Manual
User instruction manual for Pulsar CAL. V091 duo-display quartz watch. Covers analogue and digital time display, calendar, 100-hour stopwatch with lap time signal function, memory recall, countdown timer, 5-channel daily alarm, and electroluminescent illumination. Includes sections on screw-down crown operation, digital and analogue time setting, hourly time signal control, stopwatch mode operation with lap time measurement, memory recall function, and timer mode setup with repeat countdown capability.
Pulsar Quartz Cal. Y432A Technical Guide
Technical guide for Pulsar Quartz Cal. Y432A analogue quartz wristwatch. Covers specifications, disassembly and reassembly procedures with movement holder S-664, electronic circuit diagram, gear train and setting mechanism, cleaning methods for main plate, step rotor and plastic parts, and checking and adjustment procedures including output signal verification, battery voltage and conductivity tests, circuit block checks, and accuracy adjustments.
Quartz Cal. Y433A Technical Guide and Service Manual
Technical guide for the Quartz Cal. Y433A watch movement. Covers specifications, disassembly and reassembly procedures for calendar mechanism, electronic circuit and gear train, lubrication instructions, cleaning methods, and detailed checking and adjustment procedures. Includes guide table for troubleshooting, procedures for battery voltage check, circuit block conductivity testing, reset and second setting conditions, coil block verification, accuracy adjustment, and time accuracy adjustments. Contains parts list with numbered components and exploded views of the movement.
Seiko 1100A Train Wheel and Setting Mechanism Service Manual
Service documentation for the Seiko 1100A caliber wristwatch movement. Contains specifications, features, detailed exploded views of the train wheel assembly and setting mechanism with numbered component identifications. Includes lubrication points and oil types (Moebius Synt-A-Lube and Seiko Watch Oil 5-4) with application quantities. Two pages of technical drawings showing movement specifications: 15.15mm × 13.00mm diameter, 3.66mm height, 21,600 vibrations per hour.
Seiko 1104A Salvia Watch Service Manual
Complete service manual for Seiko calibre 1104A 17-jewel mechanical watch movement. Includes detailed disassembly and assembly instructions with photographs, parts list with part numbers, exploded views of major components (barrel, balance, ratchet wheel, center wheel bridge, sweep second pinion, winding stem, Diafix, and Diashock), technical specifications, and assembly procedures with lubrication guidelines. Features both 17j and 21j variants documentation.
Seiko 1520B Fine Seiko - Parts List and Exploded Diagrams
Parts list and exploded diagrams for Seiko 1520B Fine Seiko calibre watches (calibres 23J and 17J). Includes barrel and train-wheel bridge, pallet cock, balance cock, complete barrel with arbor and jewel, barrel arbor, wheels, pinions, escape wheel, balance staff, regulator components, setting lever, yoke, mainspring, end-pieces, Diafix upper and lower cap jewels, diastock frame components, and various screws. Two pages with technical specifications and comprehensive part numbering.
Seiko 15A Lady Seiko - Parts List and Exploded Views
Parts list and exploded component views for the Seiko 15A (Lady Seiko) automatic wristwatch. Includes caliber specifications: case dimensions 19.80 x 9.60 mm, maximum height 9.50 mm, 19,800 vibrations per hour. Documents barrel, train wheels, balance cock, escapement, center wheel with pinion, cannon pinion, third wheel, escape wheel, minute wheel, setting wheel, clutch wheel, winding pinion, crown wheel, jeweled pallet fork, balance staff, roller table, jewel settings, winding stem, click, mainspring, lower end-piece for pallet, crown wheel ring, dial washer, Diashock upper and lower frames, Diafix upper and lower hole jewels, Diafix spring, and associated screws.
Seiko 1E20A Quartz Movement Parts Catalogue
Parts catalogue for the Seiko 1E20A quartz watch movement. Includes technical specifications (8.5mm casing diameter, 2.6mm maximum height, 5 jewels, 32.768 Hz crystal oscillator, step motor with 2 poles, rotary step switch regulation), exploded views of components, and detailed parts list with reference numbers for train wheel bridge, center wheel & pinion, hour wheel, third and fourth wheels, minute wheel, clutch wheel, winding stem, setting lever, yoke, dial washer, circuit block, coil block, step rotor, insulators, battery connections, rotor stator, rotary step switch, jewels, screws, pins, tubes, and batteries (Maxell SR512SW and SEIKO SR512SW).
Seiko 1F20A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber 1F20A quartz movement. Includes specifications, exploded diagrams of movement components, parts numbering, disassembly and reassembly procedures, lubrication instructions, circuit block structure, and valve checking parameters. Movement specifications: 12.5mm outside diameter, step motor driving system, electronic circuit reset switch, monthly rate under 15 seconds, Maxell SR416SW battery (1.55V, 3-year life), 0 jewel, 2-hand configuration.
Seiko 2104B Chorus - Parts List and Technical Diagram
Parts list and exploded diagram for Seiko caliber 2104B (17 jewels, Chorus style). Includes component identification, casing dimensions (17.80 x 15.30 mm, maximum height 4.40 mm), vibration rate (19,800 per hour), and detailed parts numbering with material specifications. Non-automatic movement with sweep second and Diashock shock resistant device.
Seiko 2202A Calendar Watch Parts List and Service Guide
Technical documentation for the Seiko 2202A calendar watch movement (17.20mm diameter, 3.80mm height, 28,800 vibrations per hour). Includes complete parts list with part numbers for multiple style variations (21j, 23j, 17j), exploded views of mechanical components, assembly and disassembly procedures, setting lever selection guide, date dial specifications, and train wheel mechanism details. Features three setting lever types, calendar correction mechanism, and date driving mechanism with diagrams. Lubrication guidelines and operational procedures included.
Seiko 2205A Automatic Winding Mechanism Service Manual
Complete technical service manual for Seiko caliber 2205A automatic winding mechanism. Includes detailed specifications (17.20mm case diameter, 5.65mm height, 28,800 vibrations per hour), parts lists with exploded views, lubrication chart, assembly and disassembly procedures with diagrams, automatic winding mechanism operation explanation, clutch mechanism details, and comprehensive troubleshooting guide for watch stopping, malfunction diagnosis and repair methods. Features technical illustrations and adjustment procedures for idle wheel, rocking seat, date dial, winding stem, setting lever and friction springs.
Seiko 2206A Calendar Setting Mechanism Service Manual
Complete service manual for the Seiko 2206A 17-jewel watch movement with calendar and setting mechanism. Includes detailed specifications, parts list with diagrams, assembly instructions, lubrication points, and technical illustrations of the calendar, setting lever, date finger, and date driving wheel components. Contains mechanism operation guides and setting procedures for the day and date functions with crown positioning details.
Seiko 2220A Watch Caliber Parts List and Specifications
Parts list and technical documentation for Seiko caliber 2220A mechanical watch movement. Includes component diagrams, part numbers for barrel, wheels, pinions, escapement, regulator, and setting lever assemblies. Specifications show 17.20mm case diameter, 3.30mm height, 28,800 vibrations per hour. Contains mechanical drawings of key components and assembly references.
Seiko 2406A Calibre 23J Service Manual
Complete service manual for Seiko 2406A calibre movement (23 jewels). Includes detailed component diagrams, parts lists with numbered references, setting mechanism, calendar and day-date correcting mechanisms, automatic winding and train wheel escapement diagrams, disassembly and assembly instructions, lubrication points, and functional specifications. 5 pages with technical drawings and maintenance procedures.
Seiko 2501A Seikomatic Lady - Parts List & Diagram
Parts catalog with exploded view diagram for Seiko caliber 2501A automatic ladies watch. Includes numbered component references, specifications (17 jewels, 19,800 vibrations per hour, Diashock shock resistant), and comprehensive parts list with part numbers for barrel bridge, wheels, pinions, balance assembly, escapement, regulators, and other movement components.
Seiko 2505A Seikomatic Lady Calendar Parts List
Parts list and exploded views for the Seiko 2505A automatic wristwatch movement. Includes specifications: 17.2mm casing diameter, 5.50mm maximum height, 19,800 vibrations per hour, automatic winding with sweep second hand and calendar function with Diasheet shock device. Contains detailed component numbering and assembly references.
Seiko 2505B Seikomatic Lady Calendar Parts List
Parts list and exploded views for Seiko 2505B automatic wristwatch (21 jewels, Seikomatic Lady Calendar model). Includes detailed component breakdown with part numbers, assembly diagrams, and technical characteristics (17.20 mm case diameter, 5.90 mm height, 19,800 vibrations per hour).
Seiko 2517B Seikomatic Lady Calendar Service Manual
Complete service manual for the Seiko 2517B automatic wristwatch with calendar function. Contains detailed disassembly and assembly instructions with technical diagrams showing the automatic winding gear train, locking wheel mechanisms, date correction system, oscillating weight, and force transmission mechanism. Includes numbered parts lists, calibration specifications (17.20mm casing diameter, 5.85mm maximum height, 19,600 vibrations per hour), and step-by-step repair procedures for all major components including barrel bridge, wheels, pinions, date dial guard, and balance cock. Features identification of three types of locking wheels and lubrication methods.
Seiko 2706A Automatic Watch Service Manual
Complete service documentation for Seiko caliber 2706A automatic wristwatch with day and date calendar. Includes mechanical specifications, calendar mechanism diagrams, automatic winding and escapement details, train wheel assembly, setting mechanism, and comprehensive checking and repair procedures with technical illustrations.
Seiko 2906A Caliber 17j Complete Service Manual
Complete service documentation for Seiko 2906A automatic watch movement with 17-jewel caliber. Includes detailed specifications, calendar mechanism operation, disassembly and reassembly procedures for balance spring holding device, automatic winding and escapement governor mechanism, setting mechanism, and gear train mechanism. Contains technical diagrams, parts list with numbered components, lubrication guidelines, and step-by-step instructions for movement service and adjustment.
Seiko 2906A Caliber Movement Service Manual
Complete service manual for Seiko 2906A automatic wristwatch caliber (17 jewels). Includes movement specifications, disassembly and reassembly procedures, calendar mechanism operation, automatic winding and governor mechanism, setting mechanism, gear train mechanism. Features detailed technical drawings and diagrams of the balance spring holding device, calendar system operation at three crown positions, parts identification with numbered component schematics. Contains lubrication instructions, remarks for disassembly and reassembly of all major components.
Seiko 2949A 23j Watch Movement Parts List
Parts list and exploded views for Seiko caliber 2949A 23-jewel automatic watch movement. Includes casing specifications (18.0 mm diameter, 5.3 mm height), characteristics (28,800 vibrations per hour, calendar and date functions, bilingual day of week display, shock-resistant), and detailed component numbering with part numbers ranging from 011 to 963 series. Contains technical diagrams showing individual components and assembly details.
Seiko 2A27A Service Manual - Disassembly and Adjustment
Technical service manual for Seiko 2A27A quartz watch movement. Contains specifications, detailed disassembly and reassembly procedures for case components, hands installation instructions, and checking procedures including coil block resistance and current consumption measurements.
Seiko 2D22A Quartz Movement Technical Guide
Technical guide for Seiko 2D22A quartz movement (Cal. 2D22A). Includes complete parts catalogue with exploded views, specifications, disassembly and reassembly procedures, lubrication instructions, and checking and adjustment procedures. Movement features three hands, date mechanism, step motor with load compensated driving pulse, instant date setting, train wheel setting device, and electronic circuit reset switch. Covers battery types (SEIKO TR621SW, Maxell SR621SW, Sony Eveready 364), measuring gate specifications, and detailed assembly illustrations with component labeling.
Seiko 2N20A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 2N20A quartz movement. Includes detailed specifications, exploded view diagram of the movement assembly, parts list with reference numbers, battery installation instructions, train wheel bridge settings, setting mechanism details, and value checking procedures. Contains structural diagrams of the circuit block and disassembly/reassembly remarks.
Seiko 2P20A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko 2P20A quartz watch movement. Includes detailed specifications, disassembly and reassembly procedures, parts list with numbered references and exploded view diagrams, circuit block structure documentation, and value checking information. Features step motor driving system with load compensated pulse type, electronic circuit reset switch, and train wheel setting device. Contains lubrication guidelines and battery specifications (SEIKO SR516SW, Maxell SR516SW).
Seiko 3E22A, 3E23A, 3E29A, 3E32A, 3E39A Parts Catalogue and Technical Guide
Parts catalogue with exploded views and technical guide for Seiko quartz watch movements. Contains detailed component listings, specifications table, assembly/disassembly procedures with diagrams, dial and date wheel options with part codes, and maintenance notes on lubrication, battery installation, and electronic circuit block structure.
Seiko 3L12A 3L14A 3L19A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements 3L12A, 3L14A, and 3L19A. Includes detailed specifications, exploded diagrams of movement components, parts numbering, assembly/disassembly procedures, lubrication requirements, and technical specifications for circuit block, battery, train wheel bridge, and setting mechanisms. Contains sections on component identification, maintenance procedures, and electrical value checking.
Seiko 4006A Bell Matic Service Manual - 27J Movement
Complete service manual for Seiko caliber 4006A (27J and 17J versions) Bell Matic automatic watch movement. Includes detailed parts list with component identification, exploded mechanical diagrams, step-by-step disassembly and assembly instructions, lubrication specifications, and adjustment procedures for all major components including dial, date mechanism, alarm setting wheel, transmission wheel, ball bearing, mainspring, and calendar system. Features multiple cross-sectional views and technical illustrations.
Seiko 4F32A, 8F32A, 8F33A, 8F35A Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko quartz watch calibres 4F32A, 8F32A, 8F33A and 8F35A. Includes specifications, disassembly and reassembly procedures with detailed movement diagrams, parts lists with part numbers, technical specifications for battery life, accuracy, and electronic circuits. Contains illustrations of movement components, battery replacement procedures, hand installation instructions, and hand installation height discrimination tables.
Seiko 4K22A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 4K22A quartz movement with moon phase display. Includes detailed exploded views of movement components, parts numbering (items 1-40), disassembly and reassembly procedures, lubrication specifications, and technical notes. Features specifications for a 3-hand display with step motor driving system, moon phase display, instant moon phase setting device, train wheel setting device, and electronic circuit reset switch. Provides information on circuit block structure, battery specifications (SR621SW type, 1.55V, approximately 2-year life), and value checking parameters for coil block resistance and current consumption.
Seiko 4M21A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 4M21A automatic movement. Includes movement specifications (26.4 mm diameter, 2.7 mm height, 3 hands), step motor driving system with load compensated pulse type, automatic generating system with power reserve indicator, overcharge prevention and energy depletion forewarning functions. Contains detailed exploded view diagrams with numbered parts identification (46 numbered components total), lubrication guidance with Moebius A and SEIKO Watch Oil S-6, and disassembly/reassembly procedure references. Features 9 jewels, polyacene lithium capacitor power supply, approximately 72 hours charge duration, and 0.5-2.3V operating voltage range.
Seiko 4N00B, 4N01B, 4N20B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements 4N00B, 4N01B, and 4N20B. Contains specifications, exploded views of movement components, parts listings with part numbers, disassembly and reassembly procedures, lubrication guidelines, and technical remarks on circuit block structure, hand installation, battery connection, train wheel bridge setting, and value checking procedures.
Seiko 5206A Calendar Mechanism Service Manual
Complete service manual for the Seiko 5206A automatic watch movement with calendar and date functions. Contains 8 pages with technical specifications, detailed calendar mechanism diagrams, automatic winding system, disassembly and assembly procedures, setting mechanism explanations, and comprehensive parts lists with part numbers. Includes lubrication points, winding instructions, and micro-adjusting device details.
Seiko 5245A - 25 Jewels Parts List and Technical Data
Parts list and exploded views for Seiko caliber 5245A 25-jewel automatic watch movement. Includes component references with dial diameter 28.60mm, height 7.9mm, 28,800 vibrations per hour. Contains technical specifications, setting lever variants, date finger configurations, dial holding ring types, and detailed parts numbering for complete movement assembly and service.
Seiko 5606A Calendar Mechanism Service Manual
Complete service manual for the Seiko 5606A automatic winding watch movement with calendar function. Contains detailed technical specifications, disassembly and assembly procedures, lubrication points, calendar mechanism operation, train wheel components, setting mechanism, and procedures for checking watch stoppage, repair and adjustment. Includes exploded diagrams, mechanical drawings, and step-by-step instructions for maintenance.
Seiko 5606A Calendar Watch Service Manual
Complete service manual for Seiko caliber 5606A automatic calendar watch (23J and 25J versions). Contains detailed mechanical diagrams, component lists with part numbers, disassembly and assembly procedures, lubrication specifications, setting mechanism instructions, train wheel assembly details, and troubleshooting procedures. Covers calendar mechanism with bilingual day/date capability, automatic winding system, second-setting device, and maintenance protocols.
Seiko 5606A Calendar Watch Service Manual
Complete service manual for Seiko caliber 5606A automatic calendar watch movement. Contains detailed technical specifications (25.60mm case diameter, 4.25mm height, 21,600 vibrations per hour), comprehensive parts list with numbered diagrams, disassembly and assembly procedures, lubrication guide with oil application points, automatic winding mechanism details, train wheel system, and setting mechanism instructions. Includes calendar mechanism adjustment procedures for day, date and day-date functions, checking procedures for watch stopping and repair methods, and general maintenance guidelines.
Seiko 5619A Dual-Zone Timer Service Manual
Service manual for the Seiko 5619A 23-jewel dual-zone timer watch. Contains specifications, parts list with exploded views, assembly and disassembly instructions, calendar and sub-hour hand mechanisms, lubrication guidelines, and handling instructions. Includes detailed mechanical diagrams showing calendar setting devices, hour-minute-second hand assemblies, and sub-hour hand correction mechanisms.
Seiko 5626A Caliber Parts List and Technical Data
Technical documentation for Seiko caliber 5626A (25 jewels). Contains detailed parts list with part numbers, component photographs and exploded views, technical characteristics including casing diameter 25.60mm, height 4.50mm, 28,800 vibrations per hour, and special remarks covering setting lever selection by dial diameter, date dial specifications, day star with dial disk, and holding ring for dial with exact measurements.
Seiko 5E29A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber 5E29A quartz watch movement. Includes detailed disassembly/reassembly procedures, lubrication specifications, complete parts list with reference numbers and exploded views, movement specifications, and train wheel bridge setting position diagram. Features step motor driven movement with electronic circuit reset switch and train wheel setting device.
Seiko 5H22A, 5H23A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 5H22A and 5H23A. Includes specifications, exploded diagrams with numbered components, lubrication requirements, combination tables for wheel assemblies, circuit block structure, battery installation instructions, and electrical specifications.
Seiko 5M62A, 5M63A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko caliber 5M62A and 5M63A automatic kinetic movements. Includes detailed parts list with numbered components, exploded views, movement specifications, disassembly and reassembly procedures, lubrication requirements, and technical remarks for service. Covers automatic generating system, rechargeable battery unit, circuit block, generating coil, oscillating weight assembly, calendar mechanisms, and step motor driving system.
Seiko 5T32B 5T52B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko calibre 5T32B and 5T52B quartz movements. Includes detailed exploded views, parts lists with part numbers, specifications (movement size, time indication functions, battery type), disassembly and reassembly procedures, and lubrication information. The 5T52B features world time function with 24-hour indication system and selection among 24 cities.
Seiko 5Y22A-5Y39A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 5Y22A, 5Y23A, 5Y30A, 5Y31A, 5Y32A, 5Y39A. Includes specifications, exploded movement diagrams, parts lists with part numbers, circuit block structure diagrams with C-MOS-IC components, disassembly/reassembly procedures, lubrication instructions, battery installation details, and valve checking procedures. Covers step motor driven movements with 2 or 3 hands, date/day calendar functions, and instant calendar setting devices.
Seiko 6020A Quartz Watch Technical Guide and Parts List
Technical manual and parts list for Seiko Cal. 6020A quartz watch movement. Includes specifications, features, detailed disassembly and reassembly procedures with lubrication points, checking and adjustment procedures for output signal, battery voltage, conductivity, circuit block, coil block, second setting condition, reset condition, gear train, accuracy, and current consumption. Contains parts identification with numbered components, diagrams for circuit block, setting wheel, reset lever, coil block, step rotor, center wheel bridge, and gear train mechanism. Features bayonet type case back instructions and detailed remarks for handling delicate components.
Seiko 6105A Watch Parts List and Exploded Diagram
Parts list with exploded diagram views for Seiko caliber 6105A automatic wristwatch. Shows barrel and train wheel bridge, center wheel, balance cock, third wheel, minute wheel, hour wheel, clutch wheel, setting lever, jeweled components, dial, hands, case parts, and screws. Includes technical specifications: 27.00 mm case diameter, 5.15 mm maximum height, automatic winding with sweep second hand, instant date with rotating crown, shock resistant device.
Seiko 6106A Five Deluxe - Disassembly and Assembly Guide
Complete disassembly and assembly manual for the Seiko 6106A Five Deluxe watch movement. Includes detailed step-by-step procedures for dial, date wheel, date corrector, balance cock, pallet, train wheels, center wheel, pinion, shifting mechanism, and diashock components. Features exploded diagrams and assembly illustrations for each major component.
Seiko 6106A Five Deluxe Service Manual
Complete service manual for Seiko caliber 6106A automatic watch movement. Contains detailed exploded diagrams, parts list with numbered components, disassembly and assembly procedures for dial, date dial, date driving wheel, date corrector, framework, pawl lever, balance cock, train wheels, center wheel and pinion, shifting mechanism, and Diashock system. Includes technical specifications, characteristics, and step-by-step instructions with photographs and technical drawings for service and repair operations.
Seiko 6106C Watch Parts List and Specifications
Parts list and material specifications for Seiko caliber 6106C automatic wristwatch (23-jewel and 25-jewel versions). Includes exploded views of mechanical components, barrel and train wheel bridge assemblies, balance cock, escape wheel and pinion, dial and calendar mechanisms, and automatic winding device. Complete parts numbering with cross-references to basic caliber 6106A.
Seiko 6109A Caliber 17j Watch Parts List
Parts list and exploded diagram for Seiko caliber 6109A automatic wristwatch with 17 jewels. Shows component breakdown with part numbers and technical specifications. Includes casing diameter 27.00 mm, maximum height 5.30 mm, 21,600 vibrations per hour with automatic winding and sweep second. Features shock resistant Diashock device. Document contains detailed parts identification with cross-references.
Seiko 6117A Caliber Parts List and Specifications
Technical documentation for Seiko caliber 6117A (17 jewels) World Time Navigator Timer movement. Page 1 contains detailed exploded view with part numbers for all mechanical components including barrel, train wheels, balance assembly, escapement, and calendar mechanism. Page 2 provides comprehensive parts list with materials, identifying over 100 individual components and their functions, plus remarks on variant specifications for World Time and Navigator Timer versions.
Seiko 6117A Navigator Timer - Parts List and Exploded Views
Parts list and exploded mechanical views for the Seiko 6117A caliber 17J Navigator Timer world time watch. Includes barrel bridge, wheel bridges, date wheels, clutch wheel, hands, dial, case components, screws and holding rings with part numbers and specifications.
Seiko 6117B Navigator Timer - Parts List & Exploded View
Parts catalog and exploded view for Seiko caliber 6117B Navigator Timer chronograph movement. Shows component breakdown with numbered parts, casing diameter 27.00mm, maximum height 5.10mm, 21,600 vibrations per hour. Includes automatic winding with sweep second hand, instant date setting, and Diashock shock-resistant device. Comprehensive parts listing with material specifications.
Seiko 6118A Caliber Parts List and Exploded Diagram
Technical documentation for Seiko caliber 6118A automatic watch movement. Contains exploded views of all mechanical components, complete parts numbering system, and detailed specifications including case diameter 27.00mm, maximum height 5.15mm, 21,600 vibrations per hour, and automatic winding with sweep second hand. Includes assembly diagrams and part identification for all movement components.
Seiko 6119C 21j Movement Parts List and Assembly Diagram
Technical documentation for Seiko caliber 6119C automatic watch movement (21 jewels). Contains exploded view diagram of movement components, detailed parts list with part numbers, and specifications including case diameter 27.00mm, water resistance 100m, vibrations per hour 21,600, and automatic winding with hack seconds. Includes remarks on winding stem variants, date dial configurations, and holding ring specifications for different case options.
Seiko 6138A Automatic Chronograph Service Manual
Complete service manual for the Seiko 6138A automatic chronograph. Contains specifications (27.00mm case diameter, 21,600 vibrations per hour), detailed mechanical diagrams of the automatic winding mechanism, calendar mechanism, chronograph mechanism, train wheel assembly, hour chronograph mechanism, operation procedures for chronograph functions, resetting and starting mechanisms, and setting mechanism instructions. Includes numbered parts list with component identification, lubrication specifications, and assembly/disassembly procedures.
Seiko 6138B Automatic Chronograph Parts List
Technical documentation for the Seiko caliber 6138B automatic chronograph movement. Contains detailed exploded views of watch components, complete parts list with reference numbers, and technical specifications including casing diameter 27.00mm, maximum height 8.00mm, and 21,600 vibrations per hour. Includes information on calendar, date correction mechanism, and Diashock shock resistant device. Documentation in both English and Japanese.
Seiko 6139A Automatic Chronograph Service Manual
Complete service manual for the Seiko 6139A automatic chronograph watch. Includes detailed technical specifications, exploded parts diagrams, assembly and disassembly procedures, chronograph mechanism operation, train wheel assembly instructions, calendar mechanism details, and comprehensive checking and adjustment procedures for the chronograph mechanism. Contains lubrication diagrams, repair methods, and setting mechanism instructions. Covers both the 21-jewel standard version and 17-jewel automatic winding variant.
Seiko 6139B Automatic Chronograph Parts List
Parts list and exploded views for the Seiko caliber 6139B automatic chronograph movement. Includes component diagrams, part numbers, and material specifications. Two versions documented: 17-jewel (6139B) and 21-jewel (6139B) variants. Features 30-minute recorder, calendar function, and shock-resistant design with case diameter 27.00mm.
Seiko 6159B Professional Diver's Watch Parts List
Parts list and exploded views for the Seiko caliber 6159B Professional Diver's Watch. Includes component diagrams, part numbers, and detailed mechanical assembly breakdown of this 25-jewel automatic diving watch with calendar, date setting, and micro-adjustment features.
Seiko 6308A Caliber - Parts List and Technical Data
Parts list and technical specifications for Seiko caliber 6308A automatic movement. Includes component illustrations with part numbers, characteristics (27.0 mm case diameter, 5.2 mm height, 21,600 vibrations per hour), automatic winding with sweep second hand, calendar function, instant date setting and Diashock shock resistant device. Remarks section covers specifications for stem unlocking lever, date dial variants, holding ring selection and oscillating weight interchangeability with caliber 61 series movements.
Seiko 6309A 17J Automatic Watch Service Manual
Complete service and repair manual for the Seiko 6309A automatic watch movement with 17 jewels. Includes detailed specifications, disassembly and reassembly procedures, calendar mechanism, automatic winding mechanism, escapement, governor mechanism, gear train, and setting mechanism. Features calibration and lubrication guidelines, holding ring specifications for dial, and hand assembly instructions. Contains comprehensive technical diagrams and exploded views of all internal components.
Seiko 6319A 21J Parts List and Exploded Diagram
Technical parts list and exploded diagrams for Seiko caliber 6319A automatic watch movement with 21 jewels. Includes detailed component breakdown with part numbers, component names, and mechanical views of all internal parts.
Seiko 6602B Watch Parts List and Exploded View
Technical parts list and exploded view diagrams for Seiko caliber 6602B watch movement (17 jewels). Includes component identification, part numbers, and material specifications. Contains characteristics specifications: casing diameter 27.60 mm, maximum height 4.45 mm, vibrations per hour 18,000, non-automatic with sweep second hand and calendar function. Features shock resistant device and oil lubrication device. Complete list of barrel, train wheels, pinions, escape wheel, balance wheel, and associated components with corresponding part numbers.
Seiko 66B Sportsman 17 - Parts List and Exploded Views
Parts catalog for the Seiko 66B automatic watch movement (Sportsman 17, 17 jewels). Contains exploded views of movement components, numbered part references, and a comprehensive parts list with part numbers and descriptions including bridges, wheels, pinions, jewels, screws, and other mechanical elements.
Seiko 6M13A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 6M13A quartz watch movement. Includes detailed specifications, exploded views of movement components, disassembly and reassembly procedures, lubrication instructions, and technical remarks on installing battery, circuit block structure, and reassembling key components such as hands, mode indicator, dial, winding stem, and clutch wheel.
Seiko 6M23A Parts Catalogue and Movement Specifications
Parts catalogue for Seiko quartz movement cal. 6M23A. Includes detailed specifications, movement dimensions, time indication system with 3 hands and 24-hour hand, step motor driving system, multiple complications (alarm, stopwatch, calendar, dual time), disassembly and reassembly procedures, lubrication guidelines with oil types and quantities, case structure types (Type 1 and Type 2), spare parts information, and annotated exploded views of movement components with numbered references.
Seiko 7002A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber 7002A automatic watch movement. Includes front and rear movement views, specifications (27.4mm outside diameter, 4.9mm height), time indication with three hands, 21,600 vibrations per hour, automatic winding, date calendar, instant calendar setting device, 17 jewels. Contains detailed exploded view of all components with numbered parts (46 disassembly figures), screw list, jewel list, tube list, and assembly/disassembly procedures. Technical notes cover oscillating weight installation, second reduction wheel lubrication, and barrel/train-wheel bridge assembly.
Seiko 7005A Calendar Setting Mechanism Service Manual
Technical service documentation for the Seiko 7005A automatic winding watch movement. Contains detailed specifications (27.00 mm diameter, 4.50 mm height, 21,600 vibrations per hour), disassembly and assembly procedures with numbered components (hands, dial, holding ring, dial guard, date dial screws, date dial, date jumper, dial washer, hour wheel, date finger, intermediate date wheel, date driving wheel, minute wheel, cannon pinion), automatic winding and train wheel assembly instructions, transmission of force diagrams, hands and date setting mechanism procedures with illustrated positions, and lubrication points with oil type indicators.
Seiko 7016A Automatic Chronograph Service Manual
Complete service manual for the Seiko 7016A automatic chronograph with 17-jewel movement. Contains detailed specifications, disassembly and assembly precautions, lubrication instructions with oil types, hand attachment procedures, chronograph mechanism operation, train wheel escapement and regulating mechanisms, and operation of the chronograph mechanism with multiple diagrams and technical illustrations. Includes parts lists with part numbers and component identification throughout.
Seiko 7018A Caliber Parts List and Exploded Diagram
Parts list and exploded diagram for Seiko caliber 7018A (23 jewels). Includes component identification with part numbers, material specifications, and assembly diagrams. Features detailed views of barrel, wheels, escape mechanism, chronograph components, date and day wheels, and related assemblies. Additional specifications provided for winding stems, date dials, and holding ring variations.
Seiko 7019A Calendar Watch Service Manual
Technical service documentation for the Seiko 7019A automatic watch with calendar function. Contains specifications, parts list with exploded views, characteristics (27mm case diameter, 4.85mm height, 21,600 vibrations per hour), disassembly and reassembly procedures, lubrication instructions, and detailed calendar and setting mechanism diagrams with numbered components and assembly steps.
Seiko 7625A Sportsmatic Calendar Movement - Parts List
Technical documentation for Seiko caliber 7625A, 17-jewel automatic wristwatch movement with calendar and sweep second hand. Includes movement specifications (27.60 mm diameter, 5.70 mm height, 18,000 vibrations per hour), complete exploded views of all mechanical components, and comprehensive parts list with part numbers and material descriptions. Features Diashock shock-resistant device.
Seiko 7A48A Quartz Technical Guide and Parts Catalog
Technical guide and parts catalog for Seiko Cal. 7A48A quartz watch movement. Includes specifications, calendar and moon phase mechanisms, complete disassembly and reassembly procedures with lubrication instructions, detailed parts list with numbered diagrams showing all components, and checking/adjustment procedures for the calendar mechanism, moon phase indicator, and date functions.
Seiko 7D48 Technical Instruction - Calendar Assembly
Technical assembly instructions for Seiko 7D48 watch movement covering calendar circuit assembly, piezoelectric motor installation, and calendar wheels assembly. Includes detailed step-by-step procedures with numbered parts, lubrication specifications, connector handling, alignment procedures, and quality checks. Contains color-coded mechanical diagrams showing component placement and engagement verification.
Seiko 7F22A, 7F24A, 7F26A, 7F27A Parts Catalog and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch calibers 7F22A, 7F24A, 7F26A, and 7F27A. Includes specifications for movement size, time indication system, driving mechanism, battery specifications, and detailed exploded view diagrams with part numbers. Contains disassembly and reassembly procedures for calendar and date mechanisms.
Seiko 7F38A, 7F39A, 7F68A, 7F69A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements 7F38A, 7F39A, 7F68A, and 7F69A. Includes specifications, disassembly/reassembly procedures, exploded movement diagrams, detailed parts lists with part numbers, lubrication instructions, hand installation procedures, calendar mechanism details, moon phase indicator setup, and value checking parameters for coil block resistance and current consumption.
Seiko 7M22A Movement Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko 7M22A automatic generating system movement. Contains detailed specifications, exploded views with part numbers, disassembly and reassembly procedures, lubrication guidelines, structural diagrams of the circuit block, and adjustment procedures. Covers hands, dial, date mechanism, train wheels, generating system, and electronic components. Includes information on capacitor voltage, current consumption, and automatic generating system checking procedures.
Seiko 7N22A, 7N29A, 7N33A, 7N42A, 7N43A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements 7N22A, 7N29A, 7N33A, 7N42A, and 7N43A. Includes specifications table, detailed parts breakdown with numbered exploded view diagrams, assembly and disassembly procedures, technical remarks on hand installation heights, battery installation, date dial guard removal and installation, train wheel bridge positioning, winding stem installation, and value checking specifications for coil block resistance and current consumption.
Seiko 7N82A, 7N83A, 7N89A - Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko watch movements caliber 7N82A, 7N83A, and 7N89A. Includes detailed parts list with numbered illustrations, movement specifications, circuit block structure, disassembly and reassembly procedures, installation guidelines for hands, battery, date dial guard, train wheel bridge, and winding stem. Contains value checking parameters for coil block resistance and current consumption.
Seiko 7N82C, 7N83C, 7N85C, 7N89C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7N82C, 7N83C, 7N85C and 7N89C. Contains specifications, exploded diagrams of movements, complete parts lists with reference numbers, hand installation height discrimination information, and technical instructions for disassembly, reassembly, and service procedures including circuit block structure, train wheel bridge settings, battery installation, and value checking parameters.
Seiko 7S26A, 7S36A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 7S26A and Cal. 7S36A. Includes detailed exploded views of movement components, complete parts lists with part numbers, lubrication specifications (Moebius A, SEIKO Watch Oil S-4, S-6), assembly and disassembly procedures, and technical notes for specific components including oscillating weight installation, barrel bridge setup, and reduction wheel holder assembly.
Seiko 7T24A, 7T34A, 7T36A, 7T44A Parts Catalogue
Complete parts catalogue and technical guide for Seiko quartz watch movements Cal. 7T24A, 7T34A, 7T36A, and 7T44A. Includes detailed specifications, exploded views with numbered parts, disassembly and reassembly procedures, lubrication requirements, battery information, and component identification for calendar, stopwatch, alarm, and timer functions. Published by Hattori Seiko Co., Ltd.
Seiko 7T32B 7T42B Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko caliber 7T32B and 7T42B chronograph movements. Includes detailed exploded views, part numbering system, specifications, disassembly/reassembly procedures, battery installation instructions, circuit block structure, and technical remarks for replacement and maintenance of components such as winding stems, hands, dials, wheels, and electronic circuit elements.
Seiko 8800C Caliber 7J Parts List and Specifications
Technical documentation for Seiko caliber 8800C (7J jewels) automatic watch movement. Includes dial and case view, movement characteristics (40.25 mm stopwatch, 7.55 mm height, 18,000 vibrations per hour), comprehensive parts list with part numbers, assembly diagrams, remarks on winding stem variants, balance cock washer thickness specifications, hammer adjustment disk markings, winding stem screw details, and dial screw specifications for silver and black dials.
Seiko 8800D Stopwatch - Parts List and Technical Specifications
Technical documentation for Seiko 8800D 7-jewel stopwatch. Contains characteristics (40.25mm casing diameter, 7.55mm maximum height, 36,000 vibrations per hour, Diashah shock resistant device), complete exploded view diagrams showing all mechanical components, comprehensive parts list with part numbers for barrel, train wheels, balance assembly, escapement, winding stem, regulator, operating levers, springs, and screws. Includes remarks on winding stem specifications for different case types, balance cock washer thickness variations, adjustment disk markings for hammer, and dial screw specifications for different dial colors.
Seiko 8M26A 8M32A Watch Movement Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko 8M26A and 8M32A quartz watch movements. Includes detailed specifications, disassembly and reassembly procedures, parts identification with numbered diagrams, lubrication information, and technical notes on circuit block structure, hands installation, dial removal, winding stem replacement, battery installation, and troubleshooting. Covers step motor driving system, stopwatch, countdown timer, alarm repeat timer functionality, and wheel positioning for the train wheel assembly.
Seiko 8S21A 8S23A Solar Watch Parts Catalogue Technical Guide
Parts catalogue and technical guide for Seiko caliber 8S21A and 8S23A solar quartz movements. Includes detailed exploded views of movement components, specifications (outside diameter 24.0-29.5mm, height 2.9-3.0mm), solar cell and capacitor power supply details, assembled parts listing with part numbers, disassembly and reassembly procedures, notes on dial, hands, circuit block, train wheel bridge, and date mechanism installation. Contains checking and adjustment procedures for quick start function and capacitor unit conductivity.
Seiko A029A Digital Quartz Watch Technical Guide
Complete technical manual for Seiko A029A digital quartz watch caliber. Includes specifications, disassembly and reassembly procedures for case and module, component identification with parts list, checking and adjustment procedures, troubleshooting guide. Features 24-hour digital display system with calendar, timer, alarm and automatic time signal functions. Covers liquid crystal panel side and switch mechanism side disassembly, battery handling, switch components, bulb replacement and accuracy checking.
Seiko A127A Digital Quartz Watch Technical Guide
Technical service manual for the Seiko A127A digital quartz watch (caliber A127A). Includes specifications, disassembly and reassembly procedures for case and module, lubrication guidelines with silicone grease, and detailed checking and adjustment procedures. Features comprehensive troubleshooting flowcharts for display failures, battery voltage, current consumption, accuracy, time setting, and switch components. Liquid crystal display with four-function changeover system (time, stopwatch, counter, calendar). Covers liquid crystal panel, reflecting mirror, circuit block, and battery (silver oxide). Technical specifications include 32.768 Hz quartz oscillator, C-MOS-LSI integrated circuit, and operational temperature range -10°C to +60°C.
Seiko A128A Digital Quartz Technical Guide
Technical guide for Seiko A128A digital quartz watch. Contains specifications, operating instructions for time/calendar/stopwatch functions, disassembly and reassembly procedures for case and module, glass replacement instructions, and cleaning guidelines. Includes parts list with component diagrams.
Seiko A134A Digital Quartz Watch Technical Guide
Technical documentation for Seiko A134A digital quartz watch. Includes specifications, disassembly and reassembly procedures for case and module, lubrication guidelines, and checking and adjustment procedures. Features detailed parts list with reference numbers, segment display information with C-MOS-LSI output terminal relationship, and troubleshooting flowchart for battery life, display failures, time accuracy, and alarm functionality. Contains disassembly diagrams, module component layout, and notes on handling glass, panel cover, speaker cover and battery replacement.
Seiko A135A Digital Quartz Parts List
Parts list with exploded views for the Seiko A135A digital quartz watch. Includes circuit block, liquid crystal panel frame, switch spring, connector, liquid crystal panel, reflecting mirrors, panel holder, speaker block and screw. Specifies compatible battery types: Maxell SR1120W, U.C.C. 391, or Toshiba SR1120W. Technical specifications and remarks on liquid crystal panel matching included.
Seiko A156A Digital Quartz Watch Technical Guide
Complete technical guide for the Seiko A156A digital quartz watch (caliber A156A). Includes specifications, disassembly and reassembly procedures for case and module, lubrication instructions, comprehensive checking and adjustment procedures with detailed flowcharts, glass and speaker cover replacement, battery information (primary silicone solar cell and secondary silver oxide battery WSR265H), and segment/electrode relationship documentation with LCD panel wiring diagram.
Seiko A158A Digital Quartz - Technical Guide
Technical guide and parts list for the Seiko A158A digital quartz watch. Includes specifications, disassembly and reassembly procedures for case and module, lubrication instructions, and detailed checking and adjustment procedures. Contains LCD display system, stopwatch function, alarm setting capability, and time/calendar features. Provides component diagrams, parts identification with part numbers, and service procedures for glass replacement, speaker cover maintenance, and circuit block inspection.
Seiko A159A Quartz LC Alarm Chronograph Parts List
Parts list and exploded views for the Seiko A159A Quartz LC alarm chronograph. Includes circuit block, liquid crystal panel frame, switch spring, connector, circuit bridge plate, liquid crystal panel, reflecting mirrors (silver and gold), springs, speaker block, battery holder screw, and silver oxide battery. Shows technical specifications: case diameter 26.9mm, maximum height 7.0mm, quartz crystal oscillator frequency 32.768 Hz. Features digital display with hour, minute, second, day, calendar, chronograph, and alarm functions, plus illumination light and time micro-adjuster.
Seiko A159A Quartz LC Alarm Chronograph Technical Guide
Complete technical guide for the Seiko Quartz LC model A159A alarm chronograph watch. Includes specifications, features, detailed operating instructions for time, stopwatch and alarm functions, calendar settings, speaker mechanism and working principles, disassembly and reassembly procedures for case and movement, cleaning instructions, and comprehensive checking and adjustment procedures including battery voltage, current consumption, accuracy testing, and functional verification.
Seiko A169A Digital Quartz Watch Technical Guide
Technical service manual for Seiko A169A digital quartz watch caliber. Contains specifications, disassembly and reassembly procedures for case and module, lubrication instructions, glass and speaker replacement procedures, and checking/adjustment information. Includes parts list with numbered components and detailed illustrations for servicing.
Seiko A229A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for the Seiko A229A digital quartz watch (Cal. A229A). Contains specifications, features, disassembly and reassembly procedures for the case and internal components, liquid crystal panel service, switch mechanism details, and comprehensive checking and adjustment procedures. Includes part numbering, component identification, circuit block information, and battery specifications (Maxell SR926W silver oxide). Display system features 12-hour digital time, calendar functions, stopwatch with lap time capability, and illuminating light.
Seiko A239A Digital Quartz Technical Guide
Technical manual for Seiko A239A digital quartz watch. Includes specifications, circuit block structure, display functions for home time and world time modes, disassembly and reassembly procedures for case and module, component handling instructions, and checking/adjustment procedures. Contains parts list with illustrated exploded views of internal components including liquid crystal panels, switch mechanisms, circuit blocks, and connectors. Features world time display with city code table showing time differentials from GMT for major cities.
Seiko A257A Digital Quartz Technical Guide
Technical guide and parts list for Seiko A257A digital quartz watch caliber. Contains specifications, circuit block structure, display functions (time/calendar, stopwatch, alarm), disassembly and reassembly procedures, liquid crystal panel electrode designation, and current consumption checking procedures. Includes component identification with part numbers and assembly diagrams.
Seiko A258A Digital Quartz Technical Guide
Technical guide and parts list for the Seiko A258A digital quartz watch. Includes specifications, circuit block structure, disassembly and reassembly procedures, and detailed checking and adjustment procedures covering battery recharging, secondary battery voltage, pattern segment checking, liquid crystal panel verification, current consumption, accuracy, functioning, switch components conductivity, and solar battery testing.
Seiko A259A Digital Quartz Technical Guide and Parts List
Technical manual and parts list for the Seiko A259A Digital Quartz watch (caliber A259A). Includes specifications, disassembly and reassembly procedures for case and internal mechanisms, switch mechanism details, and checking procedures with flowcharts for troubleshooting battery, display, accuracy, and alarm functions. Features liquid crystal display system with time, calendar, weekly alarm, interval timer, and stopwatch functions.
Seiko A354A Digital Quartz Technical Guide
Technical guide and parts list for the Seiko A354A digital quartz watch (Cal. A354A). Includes specifications, circuit block structure, display function details with time/calendar/alarm settings, and monthly calendar function. Contains detailed segment designation and relationship between liquid crystal panel electrodes and C-MOS-LSI output terminal with complete pinout diagrams. Features component identification with part numbers for all major assemblies.
Seiko A358A Digital Quartz Technical Guide
Technical service manual for Seiko Cal. A358A digital quartz watch. Contains specifications, disassembly and reassembly procedures for bayonet case back, case gasket, glass, speaker cover, and complete module. Includes detailed checking and adjustment procedures with flowchart guide for diagnostics and repair. Parts list with component photographs. Covers battery, display system, alarm function, and time accuracy adjustments.
Seiko A359A Digital Quartz Parts List and Technical Guide
Parts list and technical guide for the Seiko A359A digital quartz watch. Includes component identification with part numbers, exploded views showing internal construction, specifications covering display medium (Nematic Liquid Crystal FEM), timing functions, alarm system, stopwatch function, battery information (U.C.C. 391 or Maxell SR1120W), and display function diagrams showing time/calendar, timer, alarm, and stopwatch modes. Contains section on liquid crystal panel electrode relationship to C-MOS-LSI output terminals with connector pinout diagrams.
Seiko A439A Digital Quartz Technical Guide
Technical service manual for Seiko A439A digital quartz watch. Includes specifications, circuit block structure diagram, detailed disassembly and reassembly procedures for case, module, and components. Covers lubrication points, anti-static electricity plate handling, segment identification for liquid crystal panel, battery information, and checking procedures for battery voltage, pattern segments, liquid crystal panel conductivity, current consumption, accuracy, speaker block, and switch components. Contains exploded views and functional adjustment instructions.
Seiko A557A Digital Quartz Technical Guide and Parts Catalog
Technical guide and parts catalog for the Seiko A557A digital quartz watch. Contains specifications, circuit block structure, display functions (time, calendar, alarm, timer, stopwatch), disassembly and reassembly procedures for case and module, battery information, and detailed checking and adjustment procedures including solar battery verification, secondary battery voltage, current consumption, water resistance, liquid crystal panel testing, accuracy verification, and bulb replacement instructions.
Seiko A639A Digital Quartz Parts Catalogue
Parts catalogue for Seiko A639A digital quartz watch. Contains exploded views and part numbers for all components including circuit block, insulators, battery connection, switch spring, speaker block frame, liquid crystal panel frame, bulb rest, reflecting mirror, speaker block, speaker gasket, and battery specifications. Characteristics include 25.4 x 25.1 mm casing diameter, 32.768 Hz quartz crystal oscillator, 12/24-hour time display with alarm function, digital display system, and nematic liquid crystal display.
Seiko A721A Watch Module Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko A721A digital watch module (Cal. A721A). Contains specifications, disassembly/reassembly procedures, circuit block structure, battery installation instructions, parts list with exploded views, and value checking procedures including current consumption, upconverter coil resistance, time accuracy, alarm test, and illuminating light function. Covers LCD display system with time/calendar, stopwatch, memory function up to 100 measurements, and alarm features.
Seiko A8 Series Digital Quartz Parts Catalogue
Parts catalogue for Seiko Cal. A8 series digital quartz watches (Cal. A826A, A827A, A828A). Includes technical characteristics, detailed parts list with part numbers, component photos showing case, movement, crystal panel, battery, and miscellaneous screws. Features information on display options, alarm, stopwatch, time signal, and lighting functions.
Seiko A826A Digital Quartz Technical Guide
Technical guide for Seiko A826A digital quartz watch (caliber A826A). Covers specifications, circuit block structure, display functions, case disassembly and reassembly procedures with lubrication instructions, module disassembly and reassembly with detailed component breakdown, and checking and adjustment procedures. Includes illustrations of case components, rotating ring and middle assembly, liquid crystal panel electrode connections, and alarm condition diagnostic guidance.
Seiko A829A Digital Quartz Technical Guide
Technical service manual for Seiko A829A digital quartz watch. Contains specifications, circuit block structure, display functions (time/calendar, alarms, dual time, stopwatch, counter, timer), complete disassembly and reassembly procedures with lubrication instructions, module component layout with pin diagrams, and comprehensive checking and adjustment procedures including battery voltage, conductivity, current consumption, water resistance, accuracy, alarm system, and bulb condition tests.
Seiko A860A A861A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements A860A and A861A. Includes complete parts list with numbered exploded views, disassembly and reassembly procedures, lubrication specifications, circuit block structure, battery installation remarks, component installation details, value checking procedures for speaker resistance and current consumption, and operating instructions for all watch functions including time display, stopwatch, and alarm modes. Features detailed technical specifications for the nematic liquid crystal display module, speaking function system, and battery life information.
Seiko A904A Digital Quartz - Technical Guide
Technical documentation for Seiko A904A digital quartz watch. Includes parts catalog with exploded views of internal components (battery, circuit block, liquid crystal panel, piezoelectric element). Contains specifications, circuit block structure diagram, detailed disassembly and reassembly procedures with illustrations, and checking/adjustment procedures including battery voltage verification, current consumption measurements, alarm test system, bulb condition check, accuracy measurement, and alarm condition verification.
Seiko A914A Digital Quartz - Technical Guide & Parts Catalogue
Complete technical documentation for the Seiko A914A digital quartz watch. Includes specifications, circuit block structure diagram, display functions, disassembly and reassembly procedures for case and module, liquid crystal panel electrode relationship diagram, and comprehensive checking and adjustment procedures. Features battery voltage check, current consumption measurement, accuracy verification, alarm system testing, and alarm condition diagnostics. Provides detailed parts list with component identification numbers and lubrication specifications.
Seiko A927A Digital Quartz Parts Catalogue
Parts catalogue for Seiko A927A digital quartz watch. Contains technical specifications including casing diameter 28.1 mm, maximum height 4.9 mm, quartz crystal oscillator frequency 32,768 Hz. Illustrated parts list with 13 components including circuit block, insulator, battery clamp, battery connection, connector, liquid crystal panel frame, circuit cover, circuit block cover, liquid crystal panel, reflecting mirror, bulb, and lithium battery. Includes characteristic notes on liquid crystal panel matching and battery substitution information.
Seiko A939A Digital Quartz Parts Catalogue
Parts catalogue for Seiko A939A Digital Quartz watch movement. Contains detailed part numbers and exploded views of watch components including circuit block, insulator, battery clamp, buzzer terminal, connector, liquid crystal panel, circuit covers, reflective mirror, and bulb. Includes technical characteristics: 28.1 mm casing diameter, 4.9 mm height, 32,768 Hz quartz crystal oscillator frequency. Features time and calendar display with 12/24-hour indication, alarm display, timer, stopwatch, hourly signal, and illuminated liquid crystal display.
Seiko A944A Dual Power Module Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko A944A dual power watch module. Includes specifications for the 24.5 mm to 27.5 mm diameter nematic liquid crystal FEM display module with multiplex driving system. Contains disassembly and reassembly procedures, detailed parts diagrams with part numbers, circuit block structure documentation, battery installation instructions (SEIKO CR1616 with 7-year life), solar cell replacement procedure, switch lead terminal installation, and electrical value checking guidelines. Features sections on the relationship between liquid crystal panel segments and C-MOS-LSI output terminals, upconverter coil specifications, and current consumption measurements.
Seiko A965A A966A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber A965A and A966A speaking watch modules. Includes specifications, disassembly and reassembly procedures, circuit block structure, battery installation instructions, speaker block and circuit block cover installation details, liquid crystal panel information, parts list with numbered exploded views, and operational instructions for time display, alarm, voice timer, bilingual function, and auto-speaking features. Contains 18 illustrated components and value checking specifications.
Seiko B004A Digital Quartz Technical Guide
Technical guide for Seiko B004A digital quartz watch caliber. Contains specifications, circuit block structure diagram, display functions (time, calendar, alarm, timer), disassembly and reassembly procedures with detailed illustrations, lubrication instructions, and comprehensive checking and adjustment procedures including battery voltage, conductivity, current consumption, water resistance, accuracy, functioning, alarm test system, and switch component verification.
Seiko B200A Digital Watch Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko B200A digital watch module. Includes specifications, complete parts breakdown with numbered components (buzzer lead terminal, battery clamp, battery guard, circuit block, connectors, liquid crystal panel), disassembly and reassembly procedures, circuit block structure diagrams showing front and back views with upconverter coil and C-MOS-LSI, segment-to-output terminal relationships, value checking parameters for upconverter coil resistance and current consumption.
Seiko C439A Digital Quartz Watch Technical Guide
Technical guide and service manual for the Seiko C439A digital quartz watch. Contains detailed specifications, circuit block structure, disassembly and reassembly procedures for case and module, lubrication instructions, and comprehensive checking and adjustment procedures. Includes parts list with exploded views, segment electrode designations, battery specifications, and functional testing guidelines.
Seiko CAL V329A Parts List and Dial Guide
Parts list for Seiko CAL V329A watch movement with exploded views of components including wheels, pinions, battery connections, and setting mechanisms. Includes dial specifications table with crown positions, calendar frame positions, and dial configurations for various models (801 series).
Seiko Cal. 1E20A Quartz Watch Parts Catalogue
Parts catalogue for Seiko Cal. 1E20A quartz movement. Includes mechanical drawings and exploded views of the movement components with numbered part references. Features specifications: 8.5mm case diameter, 2.6mm maximum height, 5 jewels, 32.768 Hz quartz crystal oscillator, step motor with 2 poles, rotary step switch regulation system. Complete parts list with technical drawings showing train wheel bridge, center wheel and pinion, hour wheel, and various internal components including gears, springs, screws, battery contacts, and electronic elements.
Seiko Cal. 1F20A Movement Parts Catalogue & Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 1F20A quartz watch movement. Includes complete specifications, exploded diagrams, parts numbering, disassembly and reassembly procedures, lubrication instructions, and technical notes on circuit block structure and component installation.
Seiko Cal. 2104A Parts List and Specifications
Parts list and exploded view for Seiko caliber 2104A movement. Includes complete component identification with part numbers, dimensional specifications (17.80 x 15.30 mm casing, 4.40 mm maximum height), and vibration rate of 19,800 per hour. Non-automatic movement with sweep second. Contains barrel bridge, train wheels, escapement components, regulator, and miscellaneous screws and jewels. References to basic caliber 21A 17J for complete model details.
Seiko Cal. 2419A Parts List and Technical Data
Parts list and technical specifications for Seiko caliber 2419A automatic watch movement. Includes case diameter (24.00mm), maximum height (4.98mm), vibrations per hour (28,800), and comprehensive parts nomenclature with part numbers. Contains remarks on winding stem selection, date dial configuration, and holding ring specifications with technical diagrams.
Seiko Cal. 2B20A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 2B20A quartz watch movement. Includes specifications, disassembly and reassembly procedures, detailed parts list with exploded diagrams, lubrication instructions, value checking for coil block resistance and current consumption, and structure of the circuit block. Movement features a step motor, 2 hands with 20-second hand motion, battery voltage 1.55V, and monthly rate accuracy less than 20 seconds.
Seiko Cal. 2B31A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 2B31A quartz watch movement. Includes specifications, detailed parts list with numbered components, exploded views of the movement mechanism, disassembly and reassembly procedures, circuit block structure diagram, remarks on disassembly and reassembly including winding stem removal and dial removal procedures, train wheel setting lever and bridge positioning instructions, and value checking data for coil block resistance and current consumption.
Seiko Cal. 2E20B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 2E20B quartz watch movement. Includes specifications, exploded diagrams of movement components, detailed parts list with reference numbers, assembly and disassembly procedures, lubrication instructions, and valve checking procedures. Features step motor driving system with train wheel setting device and electronic circuit reset switch.
Seiko Cal. 2K00A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 2K00A quartz watch movement. Includes detailed specifications, exploded views of movement components, disassembly and reassembly procedures, lubrication instructions with oil types and quantities, complete parts list with reference numbers, screw specifications, circuit block structure diagram, and technical value checking data for coil block resistance and current consumption.
Seiko Cal. 2K01A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 2K01A quartz movement. Contains detailed specifications, exploded diagrams with numbered parts, disassembly and reassembly procedures, circuit block structure diagram, and remarks on winding stem, train wheel setting lever, and train wheel bridge positioning. Includes lubrication guidelines, list of screws used, and electrical value checking parameters.
Seiko Cal. 2P21A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 2P21A quartz movement. Includes specifications, complete parts list with exploded diagrams, assembly and disassembly procedures, circuit block structure documentation, installation remarks for hands, dial, circuit block cover and winding stem, train wheel bridge settings, and value checking parameters including coil block resistance and current consumption standards.
Seiko Cal. 2Y00A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 2Y00A quartz movement. Includes specifications, disassembly/reassembly procedures, parts diagram with numbered components, lubrication instructions, remarks on circuit block structure, and value checking data. Movement specifications: 13.0 mm diameter, step motor with load-compensated driving pulse, electronic circuit reset switch, train wheel setting device, less than 20 seconds monthly rate variation.
Seiko Cal. 2Y01A Quartz Movement Parts Catalogue
Parts catalogue and technical guide for Seiko Cal. 2Y01A quartz watch movement. Includes specifications, exploded movement diagram with numbered parts, disassembly and reassembly procedures, circuit block structure details, and parts list with part numbers. Covers step motor driving system, electronic circuit reset switch, train wheel setting device, and battery life indicator. Specifications include 15.5mm outside diameter, 2.2mm height, 3-hand display, and SR521SW battery.
Seiko Cal. 3M22A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 3M22A quartz watch movement. Includes movement specifications, exploded parts diagrams with numbered components, disassembly and reassembly procedures, lubrication instructions with oil types, technical specifications (24.0mm outside diameter, step motor drive, automatic generating system with SL621 capacitor), and detailed guidance on specific components including hands, dial, date mechanism, oscillating weight, capacitor installation, generating rotor, train wheel bridge, setting wheel, and setting lever. Contains sections on coil block resistance values, current consumption measurements, and assembly instructions with technical illustrations.
Seiko Cal. 3M22A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko movement Cal. 3M22A. Includes detailed specifications, exploded views of movement components, parts listing with reference numbers, lubrication instructions, assembly and disassembly procedures, and technical guidance for maintenance and adjustment. Features step motor driving system with date calendar mechanism, power reserve indicator, and automatic generating system.
Seiko Cal. 3M62A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 3M62A automatic kinetic movement. Includes detailed exploded views of movement components, parts numbering and specifications. Contains assembly and disassembly procedures, lubrication instructions, and value checking procedures for coil block and generating coil block resistances and current consumption measurements. Notes on handling rechargeable battery unit, oscillating weight bridge, and circuit block discrimination between Cal. 3M6 and Cal. 3M2 series.
Seiko Cal. 3Y02A, 3Y03A, 3Y09A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko quartz movements Cal. 3Y02A, 3Y03A, and 3Y09A. Includes specifications, movement diagrams with numbered parts, disassembly/reassembly procedures, lubrication instructions, circuit block structure, battery settings, and parts combinations for different movement types. Features detailed illustrations of mechanical components and electronic circuit configurations.
Seiko Cal. 4205A 150m Diver's Watch Service Manual
Technical service manual for Seiko caliber 4205A 17-jewel diver's watch. Contains complete parts diagram with numbered components, assembly and disassembly procedures for case, movement and glass portions, lubrication specifications, water resistance testing procedures, and checking/adjustment procedures including movement inspection, functioning checks, and casing parts verification.
Seiko Cal. 4205B, 4206B, 4207B Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 4205B, 4206B, and 4207B. Includes detailed movement specifications (17.5mm diameter, 5.6mm height, 21,600 vibrations per hour), numbered parts diagrams with complete part listings, screw specifications, jewel locations, tubes list, and technical assembly notes. Covers dial guards, date mechanisms, balance assemblies, and winding systems.
Seiko Cal. 4205B, 4206B, 4207B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber 4205B, 4206B and 4207B watch movements. Includes specifications, disassembly and reassembly procedures, numbered parts diagrams with detailed component views, lists of screws and jewels, tube references, and technical notes on date dials, winding stems, and assembly procedures. Movement diameter 17.5 mm, height 5.6 mm, 21,600 vibrations per hour. Three-hand time indication with automatic winding and calendar functions.
Seiko Cal. 4F32A, 8F32A, 8F33A, 8F35A Parts Catalogue & Technical Guide
Complete parts catalogue and technical service guide for Seiko quartz watch movements Cal. 4F32A, 8F32A, 8F33A and 8F35A. Includes detailed exploded diagrams, parts lists with reference numbers, disassembly/reassembly procedures, circuit block schematics, battery replacement instructions, hand installation procedures, and specifications. Features discrimination tables for component heights, lubrication instructions, and remarks on movement holders.
Seiko Cal. 4F56A, 8F56A Parts Catalogue & Technical Guide
Parts catalogue and technical specifications for Seiko quartz watch movements Cal. 4F56A and 8F56A. Includes detailed specifications, disassembly/reassembly procedures with numbered figures, lubrication guide, and exploded views showing 47 individual components including step motor, ultrasonic motor for calendar, perpetual calendar mechanism, and train wheel assembly. Covers battery specifications, regulation system, and jewel count.
Seiko Cal. 4K24A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 4K24A quartz movement. Includes specifications, disassembly and reassembly procedures, detailed parts diagram with numbered components, lubrication instructions, and technical remarks on moon phase indicator, date dial guard unit, train wheel bridge, and battery installation. Movement specifications: 17.6mm outside diameter, step motor with load compensated driving pulse, numerical date calendar and moon phase display, approximately 2-year battery life.
Seiko Cal. 4K25A & 4K26A Technical Guide and Parts Catalogue
Technical guide and parts catalogue for Seiko quartz movements Cal. 4K25A and 4K26A. Includes specifications, movement diagrams, disassembly and reassembly procedures, lubrication instructions, circuit block structure, date hand installation, battery specifications, and detailed parts listings with exploded views. Movement specifications: step motor with load compensated driving pulse type, 4 hands with date hand (4K25A) or day hand (4K26A), instant calendar setting device, 1.55V battery (SR621SW type).
Seiko Cal. 4M21A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 4M21A automatic watch movement. Includes detailed specifications, component identification with part numbers, exploded diagrams, and assembly/disassembly instructions. Covers oscillating weight system, capacitor unit, circuit block, generating rotor, train wheels, and setting mechanism. Technical sections detail lubrication procedures, resistance values, current consumption measurements, and automatic generating system checking.
Seiko Cal. 4M21A Supplement Vol. 2 - Power Resource & Parts
Supplement to the parts catalogue and technical guide for Seiko caliber 4M21A. Details changes to movement parts including transition from original capacitor unit to new rechargeable battery unit (3027 29R). Includes comparative performance matrix, parts specifications with visual diagrams, and installation notes. Contains parts list with original capacitor units (3029 114, 3029 116), capacitor/battery clamp (4225 552), and new rechargeable battery unit with discrimination markings.
Seiko Cal. 4M21A Supplement Vol. 2 - Power Resource Change
Supplement to the parts catalogue and technical guide for Seiko Cal. 4M21A kinetic watches. Details the transition from original capacitor units (3029 114 / 3029 116) to new rechargeable battery unit (3027 29R). Includes comparative performance matrix showing charge duration and swing counts between original and new power resources. Contains parts list with visual diagrams and identification markings for capacitor clamp / rechargeable battery clamp assembly (4225 552). Notes compatibility issues and mandatory replacement procedures.
Seiko Cal. 4N00B, 4N20B, 4N01B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 4N00B, 4N20B and 4N01B. Includes specifications, exploded diagrams, part numbers, disassembly and reassembly procedures, lubrication instructions, circuit block structure, and value checking parameters. Covers hands, dial, wheels, pinions, rotor, coil block, battery connections, and main plate components.
Seiko Cal. 4S15A Movement Parts Catalogue & Technical Guide
Complete parts catalogue and technical service guide for the Seiko Cal. 4S15A automatic watch movement. Includes detailed exploded diagrams of the movement with numbered parts, comprehensive parts lists organized by category (screws, jewels, tubes and pins, other parts), lubrication specifications with oil types and quantities, hand installation height discrimination table with part numbers for different configurations, and technical notes on disassembly and reassembly procedures. The movement features 25 jewels, automatic winding with auxiliary hand winding mechanism, date calendar, second setting device, micro-regulating device, and operates at 28,800 vibrations per hour (8 beats per second).
Seiko Cal. 4S15A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko 4S15A automatic watch movement. Includes detailed specifications: 26.0 mm outside diameter, 25.6 mm casing diameter, 4.17 mm height, 28,800 vibrations per hour (8 beats per second), three hands display, 25 jewels. Features exploded diagrams with numbered components, lubrication instructions using various oils (Moebius V, Moebius A, SEIKO Watch Oils S-6, S-4, S-3), comprehensive parts lists including screws, jewels, tubes and pins, and technical remarks on disassembly/reassembly procedures. Contains hand installation height discrimination table with movement numerals. Additional mechanisms include automatic winding with auxiliary hand winding, date calendar, second setting device, micro-regulating device, and micro-positioning regulator pin.
Seiko Cal. 5421A Quartz Watch Parts Catalogue
Parts catalogue and technical guide for Seiko Cal. 5421A quartz watch movement. Includes detailed parts list with reference numbers, exploded mechanical views, specifications for 3-hand display with electronic circuit reset switch, train wheel setting device and battery life indicator. Contains disassembly, reassembly and lubrication procedures, checking and adjustment sections covering output signal verification, hand setting conditions, battery voltage and conductivity tests, coil block resistance checks, accuracy measurement and time regulation adjustments. Quartz frequency 32,768 Hz with 2-pole step motor and regulating switch lever regulation system. 5 jewels, 2.5mm height without battery, Maxell SR527SW battery rated 1.65V.
Seiko Cal. 5H22A, 5H23A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko caliber 5H22A and 5H23A movements. Includes specifications, disassembly and reassembly procedures, detailed parts diagrams with part numbers, lubricating instructions, and technical remarks on components such as the intermediate wheel for day correction, fifth wheel and pinion, and circuit block structure. Contains value checking information for coil block resistance and current consumption.
Seiko Cal. 5J22A Kinetic Movement Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 5J22A Kinetic watch movement. Includes detailed specifications, disassembly/reassembly procedures with 61 numbered figures, lubrication instructions, circuit block structure, and notes on power save and time relay functions. Features automatic generating system, titanium lithium ion rechargeable battery, step motors, and calendar mechanism. Covers hand installation, oscillating weight, battery unit, and all major components with technical remarks.
Seiko Cal. 5J22A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 5J22A kinetic watch movement. Includes detailed specifications, disassembly and reassembly procedures, parts identification with diagrams, remarks on power save and time relay functions, operating voltage ranges, and lubrication specifications. Features schematics of the circuit block structure and technical notes for servicing this epoch-making kinetic movement with automatic generating system and rechargeable battery.
Seiko Cal. 5J32A Kinetic Watch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 5J32A Kinetic movement. Includes specifications, 61 numbered parts with exploded diagrams, disassembly and reassembly procedures, lubrication instructions (Moebius A, Moebius F, SEIKO Watch Oil S-6), and detailed technical remarks. Features power save function, time relay function, automatic generating system, titanium lithium ion rechargeable battery, and 13 jewels. Movement diameter 26.4mm, height 4.15mm. Instructions for hands installation, date dial guard, oscillating weight, circuit block covers, and rechargeable battery unit assembly.
Seiko Cal. 5J32A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 5J32A kinetic watch movement. Includes detailed specifications, disassembly and reassembly procedures with lubrication guidelines, parts identification diagrams, and technical instructions for the power save function, time relay function, and automatic generating system. Contains 24 pages with numbered parts lists, exploded views, and remarks on repair procedures.
Seiko Cal. 5J32A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko caliber 5J32A Kinetic watch movement. Includes detailed specifications, disassembly and reassembly procedures with illustrated diagrams, lubrication instructions, circuit block structure, and remarks on handling power save function, time relay function, and rechargeable battery unit. Features step motor driving system and automatic generating system with date calendar mechanism.
Seiko Cal. 5K25A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 5K25A solar-powered watch movement. Includes detailed specifications, exploded parts diagrams with part numbers, assembly and disassembly procedures, installation instructions for hands, dial, solar cell unit, date dial guard, and rechargeable battery. Contains technical specifications for movement dimensions, driving system, power supply, and value checking procedures for coil block resistance and current consumption.
Seiko Cal. 5M22A, 5M23A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5M22A and Cal. 5M23A automatic watch movements. Includes detailed exploded views of movement components, parts numbering, specifications, assembly procedures, lubrication requirements, and technical information on the step motor driving system, automatic generating system, and circuit block structure. Contains hand installation height variations and part number corrections.
Seiko Cal. 5M22A, 5M23A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 5M22A and Cal. 5M23A. Includes detailed parts lists with numbered diagrams, specifications (27.6mm case diameter, step motor with load-compensated driving pulse, automatic generating system), disassembly and reassembly procedures with lubrication instructions, and technical sections covering circuit block structure, hand installation, capacitor unit assembly, oscillating weight bridge, train wheel bridge setting, and adjustment procedures. Contains resistance values, current consumption specifications, and automatic generating system verification methods.
Seiko Cal. 5M22A/5M23A Supplement - Power Resource Change
Supplement to the parts catalogue for Seiko Cal. 5M22A/5M23A calibers. Details the transition from original capacitor unit to new rechargeable battery unit. Includes comparative performance matrix, parts identification, clamp and insulator compatibility information. Contains parts lists with technical drawings for capacitor/battery units, clamps, and insulators.
Seiko Cal. 5M42A, 5M43A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko automatic watch movements Cal. 5M42A and Cal. 5M43A. Includes detailed disassembly/reassembly procedures, parts diagrams with numbered components, specifications (27.6mm diameter, step motor with load compensated driving pulse, automatic generating system, power reserve indicator, overcharge prevention, electronic circuit reset, train wheel setting device, date and day calendar functions), lubrication specifications (Moebius A and SEIKO Watch Oil S-6), technical remarks on circuit block structure, capacitor unit handling, oscillating weight bridge lubrication, train wheel bridge positioning, and electrical value checking (coil block resistance 1.7kΩ-2.1kΩ, generating coil 280Ω-380Ω, current consumption <0.7µA whole movement, <0.4µA circuit block alone).
Seiko Cal. 5M42A, 5M43A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 5M42A and 5M43A. Includes detailed exploded views of movement components, parts list with reference numbers, specifications (27.6 mm outside diameter, 4.3 mm height, 6 jewels, step motor with load compensated driving pulse), disassembly and reassembly procedures, lubrication instructions, and technical remarks on specific components including circuit block structure, holding ring for dial, oscillating weight adjustment, capacitor unit installation, train wheel bridge positioning, and electrical resistance values.
Seiko Cal. 5M45A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5M45A automatic watch movement. Contains detailed specifications, exploded view diagram with numbered parts (1-54), disassembly and reassembly procedures, lubrication notes, technical remarks on component installation and adjustment, and value checking information. Includes movement specifications: 27.6mm diameter, step motor driving system, power reserve indicator, electronic circuit reset switch, and date calendar function.
Seiko Cal. 5M62A, 5M63A Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko calibre 5M62A and 5M63A automatic kinetic movements. Includes detailed exploded views of 61 parts, disassembly and reassembly procedures, lubrication specifications with Moebius oils and silicone oil 500,000 c.s., and technical remarks on critical components: contact point spring installation, rechargeable titanium lithium ion battery unit removal and installation, circuit block identification, oscillating weight bridge lubrication, and generating coil block specifications. Movement specifications: 27.6mm diameter, 4.3mm height, 6 jewels, step motor driving system, 0.45V-2.2V operating range, approximately 6 months duration from full charge to stoppage.
Seiko Cal. 5P30A, 5P31A, 5P32A, 5P39A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 5P30A, 5P31A, 5P32A, and 5P39A. Includes detailed component listings with part numbers, exploded views of movements, specifications for each caliber, remarks on reassembly procedures, circuit block structure, battery information, and value checking parameters. Document covers step motor driving systems, calendar mechanisms, and variations in jewel configurations and winding stems across the four calibers.
Seiko Cal. 5S21A Movement - Parts Catalog and Technical Guide
Complete parts catalog and technical guide for the Seiko Cal. 5S21A quartz movement. Includes specifications, detailed exploded views with numbered parts, disassembly and reassembly procedures, lubrication points, installation instructions for hands, dial, circuit block, train wheel bridge, and other major components. Contains sections on battery installation, viscous rotor unit handling, and performance value checking.
Seiko Cal. 5T52A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5T52A quartz watch movement. Contains detailed exploded views of the movement, specifications including dimensions and functions (main time, alarm, world time), complete parts list with reference numbers, disassembly/reassembly procedures, lubrication guidelines, and technical notes on differences with Cal. 7T32A. Movement features world time function with 24-city selection, 12-hour alarm system, date calendar, and electronic circuit reset switch.
Seiko Cal. 5Y01A, 5Y02A, 5Y13A Technical Guide
Technical guide for Seiko quartz watch movements Cal. 5Y01A, 5Y02A, and 5Y13A. Includes specifications, circuit block structure, disassembly and reassembly procedures with detailed component identification, lubrication specifications, and checking and adjustment procedures. Features step motor driving system with load-compensated driving pulse type.
Seiko Cal. 5Y86A Parts Catalog and Technical Guide
Parts catalog and technical guide for Seiko Cal. 5Y86A quartz watch movement. Includes specifications (24.0mm outside diameter, stop motor with load-compensated driving pulse, date and day calendars, electronic reset switch), exploded views of movement front and rear, complete parts list with part numbers, assembly procedures, lubrication points, and remarks on disassembly/reassembly. Contains value checking specifications for coil block resistance and current consumption.
Seiko Cal. 5Y88A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 5Y88A quartz movement with date, day and month calendars. Contains specifications, detailed parts breakdown with numbered components and exploded views, disassembly/reassembly procedures, hand installation instructions, setting positions for calendar wheels, lubrication points, and electrical value checking parameters. Battery specification: SR916SW 1.55V with approximately 3 years life. Movement dimensions: 24.0mm outside diameter, 3.05mm height. Includes remarks on hand removal, calendar mechanism assembly, and value checking for coil block resistance and current consumption.
Seiko Cal. 5Y91A Quartz Movement Parts Catalogue
Parts catalogue and technical guide for Seiko caliber 5Y91A quartz movement. Includes specifications, movement dimensions, components list with part numbers, disassembly and reassembly procedures, lubrication instructions, and value checking parameters. Features circuit block structure, step motor rotor, train wheel assemblies, and electronic components. Battery type: SR626SW. 3-hand movement with 1-second step hand motion.
Seiko Cal. 6119A Parts List and Exploded Views
Technical documentation for Seiko caliber 6119A automatic wristwatch movement. Includes characteristics (27.00 mm casing diameter, 5.15 mm height, 21,600 vibrations per hour), exploded views of major components, and comprehensive parts list with numbered references for barrel assembly, wheels, escapement, balance, dial, hands, and auxiliary mechanisms.
Seiko Cal. 6347A Technical Guide and Parts Catalog
Technical documentation for Seiko Cal. 6347A 23-jewel quartz watch movement featuring lunar calendar mechanism. Includes specifications (27.0mm diameter, 5.8mm height, 21,600 vibrations/hour), complete parts list with identification numbers and technical drawings, disassembly and reassembly procedures for calendar mechanism, setting mechanism for moon phase indicator, lubrication specifications, and detailed exploded view diagrams. Covers date setting, moon phase indicator installation, and adjustment procedures specific to this caliber.
Seiko Cal. 6A32A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz watch movement Cal. 6A32A. Includes detailed parts list with 44 components, disassembly and reassembly instructions with lubrication points, installation positions, and technical specifications. Features exploded diagrams showing hand removal, dial removal, wheel assembly, circuit block installation, and switching mechanism. Covers movement specifications: 27.8mm diameter, step motor driving system, fully automatic calendar function, 1.55V silver oxide battery with 4-year life, and monthly accuracy of less than 20 seconds.
Seiko Cal. 6A32A Technical Guide and Parts Catalogue
Complete technical guide and parts catalogue for Seiko quartz movement Cal. 6A32A. Includes detailed disassembly and reassembly instructions with lubrication points, step rotor mechanism, fully automatic calendar system, parts list with over 40 components, and installation diagrams for hands, dial, wheels, and switching mechanism.
Seiko Cal. 6F22A 6F29A Parts Catalogue Technical Guide
Parts catalogue and technical guide for Seiko quartz movements Cal. 6F22A and Cal. 6F29A. Includes specifications, complete parts list with numbered diagrams, assembly/disassembly procedures, remarks on moon phase corrector handling, train wheel setting lever positioning, circuit block resistance values, and current consumption data. Step motor driven movements with moon phase display, numerical date calendar, and electronic circuit reset switch.
Seiko Cal. 6F25A & 6F26A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 6F25A and 6F26A. Includes complete parts list with numbered exploded views, specifications (step motor movement, date/day calendar mechanisms, numerical date calendar), disassembly and reassembly procedures, installation instructions for date hand, minute wheel bridge, date jumper, and train wheel setting lever. Technical data: 19-22mm case diameters, 2.7mm height, 4 hands with date or day hand, battery 1.55V (approximately 5 years life), 2 jewels. Contains valve checking procedures and lubrication requirements with Moebius A and SEIKO Watch Oil S-6.
Seiko Cal. 6M13A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 6M13A movement. Includes specifications, exploded diagrams of all movement components, detailed parts lists with reference numbers, disassembly and reassembly procedures, lubrication specifications, battery information, and technical notes on installing battery, disassembling/reassembling movement, and installing specific components such as mode indicator, date dial, winding stem, and clutch wheel.
Seiko Cal. 6M15A, 6M91A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 6M15A and Cal. 6M91A. Includes detailed specifications, disassembly and reassembly procedures, mode indicator installation, switch spring screw positioning, value checking for coil block resistance and current consumption, measuring time accuracy procedures, and illustrated parts diagrams with numbered components. The 6M15A features 4-piece step motor, world time function and stopwatch, while the 6M91A features 3-piece step motor with dual time function and automatic calendar.
Seiko Cal. 6M23A Movement Parts Catalogue
Parts catalogue and disassembly/reassembly guide for Seiko Cal. 6M23A quartz movement. Includes detailed specifications, component parts list with part numbers, illustrated exploded views of movement assembly, and lubrication guidelines. Features 24-hour hand, mode indicator, alarm function, stopwatch, automatic calendar, and dual time function. Contains two case structure types with separate assembly instructions.
Seiko Cal. 6M25A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 6M25A quartz watch movement. Includes movement specifications, disassembly/reassembly procedures, detailed parts list with numbered diagrams, and technical remarks on installation and adjustment. Features 3-hand time indication with mode indicator, step motor driving system, alarm function, countdown timer, stopwatch, month and date display. Battery SR927W. 9 jewels.
Seiko Cal. 6M25A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 6M25A movement. Includes detailed specifications, disassembly and reassembly procedures with numbered diagrams, lubrication instructions, battery information, and remarks on installing hands, mode indicator, dial, winding stem, clutch wheel, switch spring, and coil block spacer. Features 3-hand chronograph with 12-hour alarm, countdown timer, stopwatch, month/date automatic calendar, and demonstration functions. Movement diameter 26.4mm, height 3.9mm, powered by SR927W battery.
Seiko Cal. 6M26A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 6M26A quartz movement with step motor. Includes specifications, disassembly and reassembly procedures, parts list with exploded diagrams, lubrication guidelines, and detailed technical instructions for circuit block structure, battery installation, and component assembly. Features 3-hand time display with mode indicator wheel, countdown timer, stopwatch, and calendar functions.
Seiko Cal. 7002A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7002A automatic watch movement. Includes specifications (27.4mm diameter, 21,600 vibrations per hour, 17 jewels), exploded view diagram with 46 numbered parts, complete parts list organized by type (screws, jewels, tubes, other components), and technical assembly/disassembly instructions with lubrication guidelines for specific components including oscillating weight, reduction wheels, barrel bridge, and first reduction wheel holder.
Seiko Cal. 7002A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. 7002A automatic wristwatch movement. Includes detailed exploded views of the movement showing all components, comprehensive parts list with part numbers organized by category (screws, jewels, tubes, and other parts), movement specifications (27.4mm outside diameter, 4.9mm height, 21,600 vibrations per hour, 17 jewels), and technical assembly and disassembly instructions with lubrication specifications for specific components.
Seiko Cal. 7009A Movement Parts Catalog and Technical Guide
Complete parts catalog and technical guide for Seiko Cal. 7009A automatic watch movement. Includes detailed exploded views of the movement with numbered parts, comprehensive parts lists organized by category (screws, jewels, tubes, other parts), and technical assembly/disassembly instructions. Features specifications for a 27.4mm diameter movement with three hands, day-date calendar mechanism, and automatic winding system. Contains lubrication guidelines for different oil types and detailed notes on specific components including oscillating weight, reduction wheels, barrel bridge, and winding stem removal procedures for various case types.
Seiko Cal. 7009A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 7009A automatic wristwatch movement. Contains detailed exploded views of the movement components, comprehensive parts lists with part numbers, and technical assembly/disassembly procedures. Includes specifications: 27.4mm diameter movement, 21,600 vibrations per hour, 17 jewels, with calendar, day-date, and instant calendar setting device. Features lubrication guide with oil type specifications and numbered disassembly/reassembly figures.
Seiko Cal. 7320A Movement Parts List and Specifications
Technical documentation for Seiko Cal. 7320A quartz movement. Contains exploded view diagrams of movement components with part numbers, comprehensive parts list with 30+ identified parts including wheels, levers, springs, battery connector, circuit block, and rotor stator. Includes technical characteristics: 15.1mm casing diameter, 1.8mm maximum height, 5 jewels, 32,768 Hz crystal oscillator frequency, step motor driving system with regulating switch lever. Notes on component type variations and battery specifications included.
Seiko Cal. 7454A Parts Catalogue
Parts catalogue for Seiko Cal. 7454A quartz watch movement. Includes exploded view diagrams showing all major components: moon phase unit, date dial mechanism, train wheels, battery connections, clutch wheel, and setting lever assembly. Detailed part numbers provided for each component.
Seiko Cal. 7C17A Quartz Movement Parts Catalogue
Parts catalogue and technical guide for Seiko Cal. 7C17A quartz movement. Includes specifications, exploded view of components, detailed parts list with reference numbers, disassembly and reassembly procedures, lubrication guidelines, and technical notes on circuit block structure, dial settings, winding stem installation, and time accuracy adjustment. Step motor driven mechanism with 2 hands, 7 jewels, SR43 battery.
Seiko Cal. 7C43A, 7C46A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7C43A and 7C46A. Includes specifications, exploded views of setting mechanism and gear train mechanism with numbered parts and assembly references, lubrication information, circuit block structure diagram, disassembly and reassembly procedures, remarks on specific components including dial, date dial guard, intermediate wheel for day correction, train wheel setting lever, and center wheel bridge. Valve checking data and time accuracy adjustment instructions included.
Seiko Cal. 7D48A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 7D48A automatic generating system quartz watch movement. Contains detailed specifications, functional description of power save and time relay functions, perpetual calendar operation, assembly diagrams with numbered component references, and technical remarks for repair. Includes exploded views of the movement, case back assembly, and calendar mechanism components.
Seiko Cal. 7D48A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 7D48A automatic generating system quartz watch movement. Includes detailed specifications, functional descriptions of power save and time relay functions, perpetual calendar operation, assembly diagrams with numbered parts, and exploded views of the movement components including step motors, piezoelectric motor for calendar, rechargeable battery unit, and calendar mechanism wheels.
Seiko Cal. 7F22A, 7F24A, 7F26A, 7F27A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7F22A, 7F24A, 7F26A, and 7F27A. Includes specifications, detailed exploded views with part numbers, lubrication types and quantities, disassembly and reassembly procedures, and remarks on differences between models. Features step motor driving system with load compensated driving pulse, 3 or 2-hand configurations, and calendar mechanisms for some models.
Seiko Cal. 7F32A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko caliber 7F32A watch movement. Contains specifications, disassembly and reassembly procedures, lubrication information, detailed parts diagrams with identification numbers, and component descriptions. Covers moon phase hand, date functions, instant lunar calendar, instant calendar, train wheel setting device, and electronic circuit reset switch. Includes battery specifications (SR916SW), jewel count (3 jewels), and movement dimensions.
Seiko Cal. 7F38A, 7F39A, 7F68A, 7F69A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7F38A, 7F39A, 7F68A, 7F69A. Includes specifications, disassembly and reassembly procedures, component illustrations with part numbers, and technical guidance for calendar mechanism, hands installation, dial handling, moon phase indicator, battery installation, and lubrication requirements. Features detailed exploded views and step-by-step instructions for watch technicians.
Seiko Cal. 7G21A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7G21A watch movement. Includes detailed specifications: 2.2 mm height, 15.5 mm case diameter, step motor with load-compensated driving pulse, LED illumination, electronic circuit reset switch, and train wheel setting device. Contains exploded diagrams of movement components, battery specifications (1.55V for watch, 3.0V for bulb illumination), disassembly and reassembly procedures, lubrication guidelines using Moebius A, SEIKO Watch Oil S-6, and silicone oil 500,000 c.s., and value checking parameters for coil block resistance and current consumption.
Seiko Cal. 7L22A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 7L22A kinetic chronograph movement. Includes detailed specifications, disassembly and reassembly procedures, lubrication charts, and exploded diagrams showing all 72 numbered components including the kinetic energy storage system, chronograph mechanism with stopwatch function measuring up to 45 minutes in 1/5 second increments, date calendar system, and step motors. Features energy depletion forewarning function and automatic generating system.
Seiko Cal. 7L22A Technical Guide - Lubrication and Assembly
Technical maintenance guide for Seiko caliber 7L22A quartz chronograph movement. Contains detailed instructions for lubricating heart cams, counting wheels, train wheel bridges, and related components. Includes reassembly procedures, lubrication specifications with Moebius A/F and SEIKO S-6 oils, electrical measurements for coil block resistance and current consumption, automatic generating system checks, and power reserve information. 12 pages with technical illustrations.
Seiko Cal. 7L22A Technical Guide - Service Manual
Comprehensive technical service manual for Seiko caliber 7L22A chronograph movement. Covers circuit block structure, disassembly and reassembly procedures for calendar mechanism, dial installation, hand installation with chronograph functions, automatic generator components including oscillating weight bridge, generating rotor and intermediate wheel, hammer guard assembly, and transmission lever mechanisms. Includes lubrication specifications with oil types and quantities, detailed illustrations of component positioning, and step-by-step procedures for watch repair technicians. Features exclusive movement holder requirements and specific handling instructions for electronic circuit components.
Seiko Cal. 7M Series Parts Catalogue Technical Guide Supplement
Technical supplement for Seiko Cal. 7M Series watches. Contains troubleshooting guide for automatic generating system with problem-cause-remedy table, repair notes including lubrication instructions with diagrams, structural changes to intermediate wheel and generating rotor components, and post-repair checking procedures with power generating efficiency testing methods and capacitor voltage increase chart.
Seiko Cal. 7M22A Movement Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 7M22A automatic generating quartz movement. Includes detailed specifications, exploded view diagrams with numbered parts, disassembly and reassembly procedures, lubrication instructions, and technical adjustments. Covers the movement structure, circuit block components, coil resistance values, current consumption measurements, and automatic generating system verification.
Seiko Cal. 7N00C, 7N01C, 7N21C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7N00C, 7N01C, and 7N21C. Includes specifications, exploded views of movement components, parts list with reference numbers, hand installation height discrimination information, circuit block structure diagrams, disassembly and reassembly instructions, train wheel bridge settings, and value checking parameters for coil block resistance and current consumption.
Seiko Cal. 7N07A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7N07A quartz movement. Includes specifications, detailed exploded view of movement components, parts list with reference numbers, assembly/disassembly procedures, hand installation height discrimination tables, circuit block structure diagram, train wheel setting positions, and electrical specifications including coil resistance and current consumption values.
Seiko Cal. 7N07C, 7N08C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7N07C (men's watch) and Cal. 7N08C (ladies' watch) quartz movements. Includes specifications, detailed exploded views with numbered components, disassembly and reassembly procedures, lubrication guide, hand installation instructions, battery information, train wheel bridge setting position, circuit block structure, and electrical value checking. Contains movement size specifications, time indication system with three hands, step motor with load-compensated driving pulse, and electronic components including C-MOS IC and crystal unit.
Seiko Cal. 7N22C and 7N29C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz movements Cal. 7N22C and Cal. 7N29C. Includes specifications, exploded diagrams, parts lists with reference numbers, assembly and disassembly procedures, and technical notes on circuit block structure, hand installation, date dial guard, battery installation, train wheel bridge settings, and value checking procedures.
Seiko Cal. 7N32C, 7N33C, 7N39C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7N32C, 7N33C, and 7N39C. Includes complete specifications, disassembly and reassembly procedures, hand installation height discrimination guide, detailed parts list with exploded views, circuit block structure information, and value checking data for coil block resistance and current consumption.
Seiko Cal. 7N35C / 7N36C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7N35C and Cal. 7N36C. Includes specifications, detailed parts list with numbered exploded views, disassembly and reassembly procedures, hand installation instructions, date dial guard removal and installation, battery replacement, train wheel bridge positioning, setting lever and yoke assembly, winding stem installation, and value checking for coil block resistance and current consumption.
Seiko Cal. 7N42C & 7N43C Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 7N42C and Cal. 7N43C. Includes detailed component listings with part numbers, exploded views, assembly and disassembly procedures, hand installation specifications, battery installation instructions, and technical specifications. Features dimensions, driving system details, date calendar mechanisms, and value checking parameters for coil block resistance and current consumption.
Seiko Cal. 7S26A / 7S36A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 7S26A and Cal. 7S36A. Includes complete exploded diagrams, numbered parts lists with screw types, jewels, and tubes. Technical sections cover installation procedures, lubrication specifications, and assembly/disassembly methods for key components including the oscillating weight, barrel bridge, reduction wheels, and escape wheel assembly.
Seiko Cal. 7T32A Chronograph Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko calibre 7T32A chronograph movement. Includes detailed specifications, disassembly and reassembly procedures, parts diagrams with numbered components, lubrication guidelines, battery installation instructions, and technical remarks on specific parts installation. Features exploded views of the movement and circuit block structure.
Seiko Cal. 7T32B / 7T42B Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz chronograph movements Cal. 7T32B and Cal. 7T42B. Includes specifications, illustrated parts diagrams with numbered components, disassembly and reassembly procedures, technical notes on circuit block structure, battery installation, winding stem removal and installation, stopwatch hands adjustment, dial installation, date dial guard pins, battery clamp, circuit block cover removal and installation, and friction spring positioning. Features detailed exploded views and step-by-step service instructions with lubrication guidelines.
Seiko Cal. 7T39B Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz movement Cal. 7T39B. Includes detailed exploded views of movement components, lubrication specifications, battery information (SR927W, 1.55V, 2-year life), and assembly/disassembly procedures. Features step motor driving system with electronic circuit reset, stopwatch function with 1/5-second hand, dual time and alarm functions. Outside diameter 27.6mm, height 4.0mm. Contains detailed parts diagrams with numbered components, technical remarks on winding stems, day dial guards, calendar correction wheels, and circuit block structure. Specifications and remarks sections provided for service personnel.
Seiko Cal. 7T42A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7T42A quartz watch movement with timer function. Includes specifications, complete exploded diagrams with numbered components (piezoelectric element, case back, buttons, hands, wheels, coils, rotors, stem, circuit blocks), disassembly/reassembly procedures, lubrication specifications, and value checking data (coil resistance, current consumption, time accuracy). Contains detailed parts identification with part numbers and combination charts for different movement types (M and L).
Seiko Cal. 7T52B & 7T59B Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 7T52B and 7T59B quartz watch movements. Includes detailed exploded views of movement components with numbered parts identification, assembly and disassembly procedures with lubrication specifications, battery installation instructions, stopwatch hand reset procedures, and remarks on specific components such as holding rings for dials, winding stems, and date dial parts. Technical specifications include movement dimensions (27.6mm outside diameter, 3.2mm to 4.0mm height), step motor driving system, and battery information (SR927W type, 1.55V).
Seiko Cal. 7T62A, 7T92A Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko quartz chronograph movements Cal. 7T62A and Cal. 7T92A. Includes movement specifications, stopwatch function operations, alarm setting procedures, battery information, detailed parts lists with component references, disassembly/reassembly instructions, hand installation guidance, dial handling precautions, and circuit block structure diagrams.
Seiko Cal. 7T62A/7T92A/7T94A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz chronograph movements Cal. 7T62A, 7T92A and 7T94A. Contains specifications, detailed parts diagrams with numbered components, disassembly and reassembly procedures, lubrication instructions, stopwatch function operations, alarm function (7T62A only), and technical notes for repair technicians. Includes battery specifications, jewel count, and movement characteristics for each caliber.
Seiko Cal. 8123A - Parts List and Technical Specifications
Technical documentation for Seiko caliber 8123A quartz watch movement. Page 1 shows exploded views of the complete movement assembly and individual component parts with part numbers. Page 2 provides detailed characteristics including casing diameter (25.6 mm), maximum height (2.9 mm without battery), 5 jewels, crystal oscillator frequency (32.768 Hz), step motor with 2 poles, regulating switch lever system, and instant setting device for day and date calendar. Comprehensive parts list with 60+ numbered components including wheels, pinions, springs, levers, dials, batteries, and screws. Bilingual changeover system noted. Battery life indicator feature described.
Seiko Cal. 8123A Quartz Watch Parts Catalogue
Parts catalogue for Seiko Cal. 8123A quartz movement. Includes illustrated parts diagram showing 30+ components with reference numbers, characteristics specifications, and detailed parts list with part numbers and nomenclature. Covers train wheels, casing, dial components, circuit block, rotor stator, battery connections, and screws. Calendar day and date function. Battery types specified: SEIKO TR1120SW, Maxell SR1120SW, U.C.C. 381.
Seiko Cal. 8222A Quartz Movement Parts List
Parts list and exploded views for the Seiko Cal. 8222A quartz watch movement. Includes 4-jewel step motor system with 32.768 kHz quartz crystal oscillator, trimmer condenser regulation, and calendar function. Features two configuration types for center wheel & pinion, fourth wheel & pinion, and hour wheel (silver and gold variants). Specifications and remarks on date dial markers and tube positioning.
Seiko Cal. 8800A, 8800B Stopwatch Parts List
Parts list and exploded view for Seiko stopwatch models 8800A and 8800B. Includes characteristics (casing diameter 40.25 mm, maximum height 7.55 mm, vibrations 16,000 and 36,000 per hour for respective models), shock-resistant device details, and comprehensive parts numbering with material descriptions. Contains winding stem specifications for different case sizes and balance cock washer thickness variants.
Seiko Cal. 8M25A, 8M25B Parts Catalogue and Technical Guide
Parts catalogue and technical service guide for Seiko calibers 8M25A and 8M25B. Includes specifications, detailed exploded diagrams of movement and circuit block, lubrication guidelines, disassembly and reassembly procedures for hands, mode indicator, dial, battery clamp, circuit block components, and repair notes. Features step-by-step instructions for installation and adjustment of movement parts with technical remarks on differences between 8M25A and 8M25B models.
Seiko Cal. 8M35A Movement Parts Catalogue Technical Guide
Parts catalogue and technical guide for Seiko Cal. 8M35A quartz watch movement. Includes detailed specifications (24.0mm diameter, 2.6mm height, 2 hands with mode indicator), exploded views with numbered component diagrams, circuit block identification information, and assembly/disassembly procedures. Lists step motor driving system, preset countdown timers (5, 10, 15 minutes and adjustable up to 30 minutes), electronic circuit reset switch, hands 0-reset adjustment function, and battery specifications (SEIKO SR920W or Maxell SR920W, 1.55V, approximately 2.5 years life). Includes lubrication specifications and circuit block identification marks for calibres 8M11, 8M15, 8M18, 8M25, 8M26, 8M32, 8M35, and 8M37.
Seiko Cal. 8M37A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 8M37A quartz watch movement. Includes detailed specifications, movement diagrams with numbered part references, disassembly and reassembly procedures, mode indicator installation instructions, battery handling procedures, and technical value checking data. Contains circuit block structure documentation with identification marks for Cal. 8M Series variants. Covers lubrication types, step motor driving system, preset countdown timers, and electronic circuit reset procedures.
Seiko Cal. 8S21A/8S23A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko solar quartz watch movements Cal. 8S21A and Cal. 8S23A. Includes detailed exploded views with numbered parts, technical specifications, disassembly/reassembly procedures, remarks on specific components (dial, hands, capacitor unit, train wheel bridge, date mechanisms), installation instructions, checking procedures for quick start function and capacitor conductivity, lubrication guidelines, and troubleshooting chart for electronic circuit checks.
Seiko Cal. 8V20A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. 8V20A quartz chronograph movement. Includes detailed specifications, disassembly and reassembly procedures with numbered component diagrams, circuit block structure, auxiliary train wheel bridge positioning, coil block and rotor stator placement, train wheel bridge setup, and electrical value checking for coil blocks and upconverter coil. Battery specifications: SR1130W, approximately 2 years life, 1.55V. Monthly rate: less than 20 seconds. Features 24-hour alarm, countdown timer up to 30 minutes, stopwatch up to 30 minutes in 1/10 second increments.
Seiko Cal. 8V22A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz movement Cal. 8V22A. Includes detailed specifications: 29.1mm diameter, 3.3mm height with battery, step motor with fixed-width pulse system, 24-hour indication system, alarm and world time functions. Contains complete parts list with numbered components and assembly/disassembly diagrams, coil block resistance values, current consumption specifications, and battery information (SR1130W, 1.55V, approximately 2 years life). Covers circuit block structure, disassembly and reassembly procedures with technical remarks.
Seiko Cal. 8V36A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz alarm watch movement Cal. 8V36A. Includes specifications (31.8mm diameter, step motor, ultrasonic alarm), exploded movement diagrams with numbered parts (battery, wheels, hands, alarm mechanisms, circuit block), detailed reassembly procedures with conductive plate installation instructions, alarm wheel positioning, ultrasonic motor block handling notes, and circuit block structure diagrams.
Seiko Cal. 8Y21A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 8Y21A step motor movement. Includes detailed specifications, disassembly and reassembly procedures, component identification, circuit block structure, and valve checking procedures. Contains parts lists with numbered references, movement diagrams, and lubrication specifications.
Seiko Cal. 9T82A Movement Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Cal. 9T82A automatic kinetic movement. Includes detailed disassembly/reassembly procedures, lubrication specifications, movement dimensions, technical specifications, hands installation procedures, stopwatch mechanism adjustment, and dial removal/installation instructions. Covers both conventional and one-piece case types with adhesive application methods for case back and bezel screws using LOCTITE 241.
Seiko Cal. A547A Digital Quartz Technical Guide
Technical guide and parts list for Seiko Cal. A547A digital quartz watch movement. Includes specifications, circuit block structure, display functions (time, calendar, alarm, stopwatch, timer), disassembly and reassembly procedures, lubrication instructions, and detailed checking and adjustment procedures. Contains component identification, liquid crystal panel electrode relationship diagrams, and battery information (Maxell SR726W, 1.55V).
Seiko Cal. A714A Digital Quartz Watch - Technical Guide
Technical guide for Seiko Cal. A714A digital quartz watch movement. Contains specifications, circuit block structure, display functions, disassembly and reassembly procedures, and checking and adjustment procedures. Includes parts catalog with exploded views, liquid crystal panel electrode segment designation, and detailed test procedures for battery voltage, current consumption, accuracy, and component functionality.
Seiko Cal. B122A Digital Quartz Technical Guide
Technical service manual for Seiko Cal. B122A digital quartz watch movement. Contains specifications, circuit block structure diagrams, display system details (time, calendar, alarm functions), disassembly and reassembly procedures for case and module with lubrication guidelines, and comprehensive checking and adjustment procedures including battery voltage, current consumption, water resistance, liquid crystal panel operation, accuracy testing, alarm functionality, switch components, speaker block, and bulb condition checks.
Seiko Cal. C153A Digital Quartz Watch Technical Guide
Complete technical guide for the Seiko Cal. C153A digital quartz watch featuring both time and calculator functions. Includes specifications, display details, operating instructions for time setting and calendar functions, calculator operation with memory register functions, disassembly and reassembly procedures for case and module, lubrication instructions, and comprehensive checking and adjustment procedures. Contains parts list with numbered components, wiring diagrams, and maintenance notes. Crystal oscillator frequency: 32.768 Hz. Display: Nematic Liquid Crystal with FEM mode.
Seiko Cal. C515A Digital Quartz Watch Technical Guide
Technical service manual for Seiko Cal. C515A digital quartz watch. Contains specifications, circuit block structure diagram, display system operation, disassembly and reassembly procedures for case and module with lubrication instructions, and comprehensive checking and adjustment procedures including battery voltage, current consumption, segment illumination, accuracy, alarm system, and bulb condition. Features nematic liquid crystal display with multiplex driving system, alarm function, stopwatch, calculator, and numerical memory functions.
Seiko Cal. E029A Digital Quartz Technical Guide
Technical guide and parts catalog for the Seiko Cal. E029A digital quartz watch movement. Includes specifications, circuit block structure diagram, disassembly and reassembly procedures with lubrication chart, detailed mechanical component diagrams (gear train, setting mechanism, indicating mechanism), and comprehensive checking and adjustment procedures. Contains switch mechanism details, coil block testing, accuracy verification, and battery information. Parts list with numbered components and multiple watch configuration options (Type a, b, c) for fourth wheel & pinion, center minute wheel, and hour wheel combinations.
Seiko Cal. F221A Digital Quartz Parts List
Parts list with exploded views for the Seiko F221A digital quartz watch. Includes component identification, part numbers, and specifications. Features 12-hour digital display system with date and day of week calendar display, nematic liquid crystal display, and trimmer condenser regulation system.
Seiko Cal. H021A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. H021A hybrid analog-digital watch movement. Includes specifications, disassembly/reassembly procedures with numbered parts diagrams, remarks on battery installation and hand positioning, train wheel bridge settings, motor distinctions, and value checking data. Step motor driving system with multiplex digital display (LCD) and analog section with 3 hands.
Seiko Cal. M354A Digital Quartz Watch Technical Guide
Technical service manual for Seiko Digital Quartz caliber M354A. Contains specifications, disassembly and reassembly procedures for case and module components, lubrication instructions, and checking and adjustment procedures. Includes parts list with detailed exploded views of case, module, and internal mechanisms. Features dual liquid crystal display with time and calendar functions (80-year calendar), 2-layer multiplex driving system, and illuminating light. Covers battery replacement, switch component adjustment, and segment pattern checking procedures.
Seiko Cal. M421A Digital Quartz Watch Parts Catalogue
Parts catalogue and technical guide for Seiko Cal. M421A digital quartz watch. Includes parts list with reference numbers, component photographs, watch specifications (26.0 x 26.0 mm case, 4.8 mm height, 32.768 Hz crystal oscillator), display characteristics (nematic liquid crystal, trimmer condenser regulation), disassembly and reassembly procedures with lubrication specifications, and detailed checking and adjustment procedures for battery, circuit block, alarm system, piezoelectric element, segment display, and bulb condition.
Seiko Cal. M422A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko M422A quartz watch movement. Includes specifications, exploded view diagram with numbered parts (case back, gasket, module, battery clamp, circuit block, liquid crystal panel), disassembly and reassembly procedures, remarks on specific components (buzzer lead terminal, battery clamp, battery guard, anti-static electricity plate), lubrication information, and value checking data. Features time/calendar display with alarm, stopwatch, timer and dual time functions. Battery: SEIKO CR2025, 3.0V, approximately 10 year lifespan.
Seiko Cal. N944A, N945A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko movements Cal. N944A and N945A. Includes specifications, exploded views of movement components, parts list with numbered diagrams, disassembly and reassembly procedures, installation instructions for hands and wheels, mode corrector wheel positioning, battery installation, resistance values for coil blocks, and current consumption data.
Seiko Cal. S021A Digital Quartz Stopwatch Technical Guide
Complete technical documentation for the Seiko Cal. S021A digital quartz stopwatch with interval timer. Includes detailed specifications, disassembly and reassembly procedures with lubrication instructions, parts list with component identification, piezo-electric buzzer construction details, and comprehensive checking and adjustment procedures. Contains segment electrode designation for liquid crystal panel, battery voltage checks, conductivity tests, accuracy verification, and troubleshooting flowchart.
Seiko Cal. S026A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. S026A digital stopwatch module. Includes specifications (40mm diameter case, nematic liquid crystal display), disassembly/reassembly procedures with numbered parts diagrams, circuit block structure with C-MOS-LSI layout, segment-to-terminal relationship for the LCD panel, removal instructions for buttons and switch springs, installation guidelines using Phillips screwdriver, and value checking procedures. Battery specifications: SR41W or equivalent, 1.55V, approximately 2.5 year life. Lubrication specifications noted with silicone oil and SEIKO Watch Oil S-6.
Seiko Cal. S032A Stopwatch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko caliber S032A digital stopwatch. Includes detailed specifications, disassembly and reassembly procedures with numbered component diagrams, circuit block structure, battery installation instructions, and service notes. Features liquid crystal display with stopwatch, lap time, split time, dual countdown timer, and calendar functions.
Seiko Cal. S039A Parts Catalogue
Complete parts catalogue for Seiko Cal. S039A stopwatch with specifications including 47.4mm outside diameter, Nematic Liquid Crystal display with FEM driving system, and detailed disassembly/reassembly procedures with exploded views. Includes part numbers for case back screws, circuit blocks, switches, springs, connectors, liquid crystal panel, battery connections, and other mechanical components. Battery type: CR2032, 3.0V with approximately 3 years life.
Seiko Cal. S1 Series Digital Quartz Technical Guide
Technical manual for Seiko Cal. S1 Series digital quartz watches (models S101A, S111A, S119A, SP11). Contains specifications, circuit block structure diagrams, disassembly and reassembly procedures with lubrication specifications, module component identification, liquid crystal panel electrode relationships, battery voltage and current consumption checks, water resistance testing procedures, and system printer specifications. Includes detailed parts lists with part numbers, exploded views of components, and adjustment procedures for stopwatch, memory and frequency measurement functions.
Seiko Cal. S140A, S143A Stopwatch Parts Catalogue & Technical Guide
Parts catalogue and technical service guide for Seiko caliber S140A and S143A stopwatches. Includes disassembly/reassembly procedures (steps 1-17), lubrication specifications, circuit block structure diagrams, battery replacement instructions, detailed remarks on components (module, jack, buzzer terminal, switch lever, liquid crystal panel), current consumption measurements, segment display testing, and system printer SP12 connection guide with printout operation procedures for Cal. S143A.
Seiko Cal. S140A, S143A Stopwatch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko S140A and S143A quartz stopwatches. Includes detailed disassembly and reassembly procedures (Figs. 1-17), circuit block structure diagrams, battery replacement instructions, switch lever lubrication specifications, liquid crystal panel installation, and current consumption measurements. Contains specifications for both models: liquid crystal FEM display with 1/4 multiplex driving, up to 300 measurement memory, stopwatch display up to 10 hours, time/calendar display. S143A includes printout function with System Printer SP12 connection procedures. Buttons and displays documentation for both models provided.
Seiko Cal. S234A Digital Quartz - Parts Catalogue & Technical Guide
Complete parts catalogue and technical service manual for the Seiko Cal. S234A digital quartz watch movement. Includes detailed parts list with component identification numbers, assembly and disassembly procedures for case and module, lubrication specifications, and comprehensive checking and adjustment procedures. Contains exploded views of case components, liquid crystal panel assembly, circuit block, and battery system. Technical specifications cover display functions (time, calendar, alarm, stopwatch, pacemaking), regulation system, battery specifications (CR2016 lithium cell, approximately 2 years life), and various test procedures for electrical characteristics, alarm system, accuracy, water resistance, and attachment functionality.
Seiko Cal. S321A Digital Quartz Watch Technical Guide
Technical guide and parts catalogue for the Seiko Cal. S321A digital quartz watch movement. Includes specifications, circuit block structure, display functions, disassembly and reassembly procedures with component layout diagrams, segment designation for the liquid crystal panel, checking and adjustment procedures for battery voltage, current consumption, liquid crystal panel continuity, and alarm condition testing. Contains detailed technical drawings and service information for watch technicians.
Seiko Cal. S600A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. S600A digital stopwatch module. Includes detailed specifications, exploded view diagrams showing all component parts (case back, battery, circuit block, liquid crystal panel, connectors, switch spring, reflecting mirror), assembly and disassembly procedures with illustrations, technical notes on circuit block structure, segment-electrode relationships, battery installation, and value checking (current consumption less than 1.5µA). Module diameter 28mm, height 4.3mm. Compatible with SR927W batteries.
Seiko Cal. S610A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. S610A digital watch module. Includes specifications, disassembly/reassembly procedures, module structure diagram, battery installation instructions, and value checking guidelines. Contains detailed parts list with numbered components (case back, module, battery, switches, display panel, etc.) and technical remarks on circuit block structure and current consumption.
Seiko Cal. V051A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. V051A quartz movement. Includes specifications, movement diagrams, component identification with numbered parts, disassembly and reassembly procedures, battery installation instructions, and technical remarks on various components including hands, winding stem, battery, switch spring, circuit block, and train wheel bridge. Features detailed exploded views and setting position diagrams for watch service and repair.
Seiko Cal. V071A, V072A Service Guide
Technical service guide for Seiko Cal. V071A and V072A hybrid analog-digital watch movements. Contains specifications, movement dimensions, time indication systems (analog 3-hand with step motor and digital nematic liquid crystal display), battery information (SR927W, 1.55V, 3-year life), accuracy specifications, current consumption data, movement reference numbers with panel color variants, and hand installation procedures using special movement holder.
Seiko Cal. V091A Movement Service Guide
Technical service guide for the Seiko Cal. V091A analog-digital hybrid movement. Contains specifications including dimensions (38.8 x 22.6 x 6.2 mm), driving systems (step motor for analog, multiplex for digital), battery specifications (SR1120W or equivalent, 2 pieces, approximately 2-year life), time accuracy (less than 20 seconds monthly), and hand installation height discrimination table with three types. Current consumption specified at less than 5.4 µA.
Seiko Cal. V110A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko calibre V110A solar-powered quartz movement. Contains detailed exploded diagrams of all 26 components, disassembly and reassembly procedures, lubrication specifications, circuit block structure diagram, installation instructions for dial, case ring, solar cell unit, rechargeable battery unit, and train wheels. Includes value checking procedures for coil block resistance, current consumption, solar cell output voltage, and battery recharging function with measurement methodologies and reference tables for charging time guidelines.
Seiko Cal. V145A Solar Watch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. V145A solar watch movement. Includes specifications, exploded parts diagrams, disassembly and reassembly procedures, solar cell unit installation, date dial adjustment, battery unit handling, train wheel bridge positioning, winding stem removal, and testing procedures for current consumption, output voltage, recharging function, and quick-start function. Features charging time guidelines for various light sources and temperature considerations.
Seiko Cal. V14JA Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. V14JA solar-powered quartz watch movement. Includes detailed component lists with part numbers, exploded views of the dial, hands, calendar mechanism, train wheel bridge, rechargeable battery unit, and solar cell unit. Technical sections cover disassembly and reassembly procedures, hand installation, dial installation, calendar mechanism adjustment, battery replacement, output voltage measurement, charging procedures, and current consumption testing. Features specifications for a 25mm diameter solar watch with 3-hand time indication, step motor drive, calendar function, and titanium-lithium rechargeable battery.
Seiko Cal. V339A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. V339A quartz watch movement. Includes specifications, exploded diagrams of internal components, disassembly and reassembly procedures, lubrication points, value checking parameters (coil block resistance, current consumption), and remarks on date dial variations and winding stem selection.
Seiko Cal. V656A Chronograph Parts Catalogue
Parts catalogue and technical guide for Seiko Cal. V656A quartz chronograph movement. Includes detailed exploded views of the movement with numbered components, specifications (outside diameter 29.5mm, casing diameter 28.8mm, height 3.1mm), disassembly and reassembly procedures for hands and dial, battery installation and removal instructions, wheel distinction chart, and technical specifications including coil block resistance, measuring time accuracy procedures, and current consumption values.
Seiko Cal. V693A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Cal. V693A quartz movement. Includes parts list with numbered diagrams, specifications (24.0mm case diameter, 2.6mm height, step motor driving system), assembly and disassembly procedures, mode indicator installation and removal instructions, circuit block structure, battery replacement procedures, and technical measurements for coil block resistance, current consumption, and time accuracy. Contains detailed technical notes on component handling and adjustment.
Seiko Cal. V700C/V701C/V721C Service Guide
Service guide for Seiko quartz watch movements Cal. V700C, V701C and V721C. Contains specifications, hand installation height discrimination table with dial numerals reference, circuit block structure diagrams, and value checking parameters including coil resistance and current consumption measurements.
Seiko Cal. V782A/V783A/V789A Service Guide
Technical service documentation for Seiko quartz watch movements Cal. V782A, V783A, and V789A. Includes specifications, movement dimensions, hand height discrimination table, circuit block structure diagram, and value checking parameters for coil block resistance and current consumption testing.
Seiko Cal. V785A Service Guide
Service guide for Seiko Cal. V785A movement. Contains specifications including movement size, time indication with 3 hands, step motor driving system, date calendar with instant setting device, train wheel setting device, electronic circuit reset switch, and battery life indicator. Includes hand installation height discrimination table, circuit block structure diagram with coil resistance and current consumption values, and battery specifications (SEIKO SR621SW, SEAGEL SR821SW, SONY SR621SW, MATSUSHITA SR821SW, EVEREADY 364).
Seiko Cal. V827A Service Guide and Technical Specifications
Service guide for Seiko Cal. V827A quartz movement. Contains specifications, winding stem installation notes, hand installation procedure, hour wheel ring positioning, earth lead terminal information, and value checking instructions for current consumption. Includes movement diagrams and technical data for this step motor driven watch caliber with instant date setting device and electronic circuit reset switch.
Seiko Cal. W810A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. W810A digital watch module. Includes disassembly and reassembly procedures, parts list with exploded views, specifications for the nematic liquid crystal display with multiplex driving system, timer functions, stopwatch, and memory recall features. Contains lubrication instructions, battery installation notes, circuit block structure, and value checking procedures for time accuracy and current consumption.
Seiko Cal. Y102A and Y112A Parts List
Parts list with exploded views for Seiko caliber Y102A and Y112A watch movements. Includes train wheel bridge, wheels, pinions, setting lever, winding stem, date dial components, driving wheel, guard, circuit block, coil block, step rotor, rotor stator, battery connections and screws. Two dial variations documented for crown and calendar frame positioning at 3 o'clock and 6 o'clock positions.
Seiko Cal. Y151A Service Guide
Service guide for Seiko Cal. Y151A quartz watch movement. Contains specifications including movement size (13.5 mm outside diameter, 13.0 mm casing diameter, 2.3 mm height), 3-hand time indication, step motor driving system with load compensation, train wheel setting device, electronic circuit reset switch, battery life indicator, and coil block resistance values. Includes hand installation height discrimination table with movement reference numbers, disassembly and reassembly instructions, and valve checking specifications. Battery specification: SEIKO SR4215SW or MAXELL SR4215SW (1.55V, approximately 2 years life). Zero jewels movement.
Seiko Cal. Y187B Chronograph Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko caliber Y187B chronograph movement. Includes detailed specifications, disassembly and reassembly procedures, component diagrams with part numbers, battery information, and functional checking procedures. Contains lubrication points, circuit block structure, dial variations, and remarks on wheel combinations and winding stem specifications.
Seiko Cal. Y481F Service Guide
Service guide for Seiko caliber Y481F quartz movement. Contains specifications including movement size, casing diameter 17.8 mm, height 2.8 mm, three hands time indication, step motor driving system with load-compensative pulse system. Includes notes on winding stem replacement (Part No. 951112), hand installation procedures, and value checking specifications with current consumption less than 1.2 µA. Battery specifications for SEIKO SR6215W, MAXELL SR6218W, SONY SR6215W, EVERADY 364 with 1.55V voltage and approximately 2 years battery life.
Seiko Cal. Y513A Analogue Quartz Technical Guide
Technical service manual for Seiko Cal. Y513A analogue quartz wristwatch. Covers specifications, time and calendar setting procedures, functioning of electronic circuit block and mechanical portion, time accuracy adjustment with rotary step switch system, disassembly and reassembly of calendar mechanism and circuit block with lubrication tables, cleaning procedures, and comprehensive checking and adjustment procedures with diagnostic flowchart. Includes parts list, screw types reference, and detailed mechanical exploded views of calendar mechanism and setting system.
Seiko Cal. Y621A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. Y621A automatic winding watch movement. Includes detailed exploded diagrams of movement components, complete parts list with part numbers (screws, jewels, gears, wheels, springs), specifications (27.4mm diameter, 17 jewels, 21,600 vibrations per hour), and assembly/disassembly instructions with lubrication points indicated. Features three hands time indication with automatic winding, date calendar, and instant calendar setting device.
Seiko Cal. Y911A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. Y911A digital watch movement. Includes detailed exploded views of the movement components, assembly and disassembly procedures, battery installation instructions, liquid crystal panel unit installation, train wheel bridge settings, and circuit block resistance values. Technical specifications cover the movement's liquid crystal display, 3-hand time indication, step motor driving system, calendar display, alarm function, and stopwatch capabilities. Contains resistance measurements, current consumption data, and troubleshooting procedures for display segments and circuit functions.
Seiko Cal. YT63A Movement - Service Manual
Complete technical documentation for Seiko Cal. YT63A automatic generating system movement (12" size, 3 hands, day/date function). Includes detailed specifications, dimensional drawings, casing diagrams, hand fitting data, dial specifications, holding ring schematics, and operation instructions. Features power reserve indicator function, quartz oscillator tuning fork 32.768 Hz, titanium-lithium-ion battery, and automatic generating system with quick-start function. Covers movement dimensions, time standard accuracy, indicators/functions, features, power supply specifications, and separated parts codes. Includes appearance diagrams, operation procedures, and power depletion warning function documentation.
Seiko Cal.2A54A Parts Catalogue
Parts catalogue and exploded view for Seiko quartz movement Cal.2A54A (2j). Includes detailed component identification, moon phase indicator unit, date mechanism, wheels, and screws with part numbers and assembly diagrams.
Seiko Cal.2B21A Parts Catalogue
Parts catalogue for Seiko Cal.2B21A watch movement. Contains exploded views of the movement showing hour, minute and second hands, dial, wheels, pinions, battery connections, and related components. Includes technical references for screws, jewels, bridges, rotors, and other mechanical parts with part numbers.
Seiko Cal.2D22A Parts Catalogue
Parts catalogue for Seiko Cal.2D22A quartz movement. Contains exploded views of movement components including dial, hands, winding stem, clutch wheel, hour wheel, date mechanism, and rotor stator. Includes identification of battery types (SEIKO TR621SW, Maxell SR621SW, UCC 364, Sony Eveready 364) and screw specifications for assembly. Technical diagrams of internal movement parts with part numbers.
Seiko Cal.41A Quartz Movement Parts List
Parts list and technical specification sheet for Seiko Cal.41A quartz watch movement (3 jewels). Includes casing diameter 19.4mm, maximum height 3.8mm, frequency 32.768 Hz. Contains detailed parts illustrations with reference numbers, assembly diagram with component identification, and complete parts nomenclature including wheel bridges, pinions, rotors, springs, screws, and jewels.
Seiko Cal.5Y01A & 5Y02A Parts Catalogue
Parts catalogue for Seiko quartz movements Cal.5Y01A and Cal.5Y02A. Includes exploded views of the movement, component identification with part numbers, and detailed diagrams showing battery connections, date dial guards, wheels, and lever springs. Battery specifications listed: SEIKO TR920SW, Maxell SR920SW, SONY EVEREADY 371.
Seiko Cal.7D48A Technical Guide and Parts Catalogue
Technical guide and parts catalogue for Seiko Cal.7D48A movement. Contains detailed parts list with part numbers and exploded views, technical specifications for coil block resistances, current consumption measurements, and assembly instructions for the perpetual calendar mechanism. Includes procedures for hand installation, automatic generating system checks, and leakage testing between coils.
Seiko Caliber 11A Movement Parts List and Specifications
Technical documentation for Seiko caliber 11A movement. Includes parts lists with numbered components, exploded views of mechanical assemblies (barrel bridge, train wheel bridge, balance cock, escapement wheel pinion, cannon pinion, hour and minute wheels, ratchet wheel), and detailed specifications. Two styles documented: 17j and 21j variants. Contains characteristics: case dimension 15.15 x 13.00 mm, maximum height 3.50 mm, 21,600 vibrations per hour, non-automatic with Diaashock shock resistant device.
Seiko Caliber 11A Parts List and Technical Data
Technical documentation for Seiko caliber 11A movement. Two variants presented: 17j and 21j. Includes casing dimensions (15.15 × 13.00 mm), maximum height (3.50 mm), and 21,600 vibrations per hour specification. Features Diashock shock-resistant device. Complete parts lists with numbered components showing barrel bridge, train-wheel bridge, balance cock, escape wheel, pallet fork, jewels, and other movement components. Illustrated with exploded views and technical diagrams of individual parts. Basic reference to caliber 1104A provided.
Seiko Caliber 1520A Parts List and Specifications
Parts list and catalog for Seiko caliber 1520A 17-jewel mechanical watch movement. Includes casing dimensions, specifications (19.80 x 9.60 mm case, maximum height 9.50 mm, 19,800 vibrations per hour), and detailed component list with part numbers for barrel, wheels, pinions, jeweled pallet fork, balance assembly, escapement, and various screws. Non-automatic movement with Diashock shock resistant device and Diafix oil lubrication system.
Seiko Caliber 17A Watch Service Manual
Complete service manual for Seiko caliber 17A mechanical watch movement. Includes specifications (13.50mm casing diameter, 3.20mm height, 21,600 vibrations per hour), detailed parts list with numbered components, setting mechanism diagram, train wheel escapement and governor mechanism, construction details for special train wheel and center minute wheel with cannon pinion, and assembly/disassembly instructions. Contains lubrication guidelines and technical specifications for maintenance and repair.
Seiko Caliber 2118A Parts List and Exploded Views
Parts list with exploded mechanical views for Seiko caliber 2118A. Includes component identification, part numbers, and assembly diagrams. Available for 17, 21, and 23 jewel versions. Reference material for watchmaking and repair documentation.
Seiko Caliber 21A Sportslady 17 - Parts List & Technical Data
Technical parts catalog for Seiko Caliber 21A (Sportslady 17) mechanical watch movement. Contains casing dimensions, maximum height, vibrations per hour specifications, and comprehensive illustrated parts list with numbered references for barrel bridge, wheels, jewels, escapement components, and screws. Includes remarks section with alternative part numbers.
Seiko Caliber 21C Parts List and Specifications
Technical specifications and comprehensive parts list for Seiko caliber 21C movement. Includes casing dimensions (17.80 x 15.30 mm), maximum height (3.50 mm), vibration rate (19,800 per hour), and detailed parts numbering. Features Disashock and Diaflex systems. Two movement images shown. Remarks section references alternative barrel arbor and regulator options.
Seiko Caliber 21D Watch Movement Parts List
Technical documentation for Seiko caliber 21D automatic watch movement (Sportslady 17J variant). Includes casing dimensions (17.80 x 15.30 mm), specifications (19,600 vibrations per hour), exploded views of movement components, and comprehensive parts list with part numbers. Contains references to balance cock, barrel arbor, wheels, pinions, escape wheel, and jeweled components with cross-reference remarks for compatible parts.
Seiko Caliber 2409A 23-Jewel Parts List and Specifications
Technical parts catalog for Seiko caliber 2409A automatic watch movement with 23 jewels. Contains casing specifications (24.00 mm diameter, 7.85 mm height), detailed illustrated parts list with numbered references, winding stem variants (3.80 mm, 1.26 mm, 7.05 mm), date dial positioning information, and day star with dial disk configurations. Includes component diagrams and holding ring specifications for dial assembly.
Seiko Caliber 2415A Parts List and Technical Guide
Technical documentation for Seiko caliber 2415A automatic watch movement. Includes complete parts list with part numbers, component descriptions, dial variants, winding stem specifications, setting lever types, date dial configurations, and holding ring options. Contains mechanical diagrams and assembly references for watch repair and service.
Seiko Caliber 2418A - Parts List and Technical Specifications
Parts list and exploded views for Seiko automatic watch movement caliber 2418A (23 jewels). Includes comprehensive component numbering, technical characteristics (24.00mm diameter, 28,800 vibrations per hour), and assembly diagrams for barrel, wheels, springs, and date mechanism components.
Seiko Caliber 2517A Parts List and Exploded Views
Parts list with exploded mechanical views for Seiko caliber 2517A Seikomatic Lady Calendar automatic wristwatch. Includes component diagrams, part numbers, and assembly details.
Seiko Caliber 2706A 17j Watch Movement Parts List
Technical parts list and specifications for the Seiko 2706A watch movement with 17 jewels. Includes movement characteristics (17.20mm casing diameter, 5.70mm height, 28,800 vibrations per hour), exploded views of main components (barrel and train-wheel bridge, balance cock, intermediate ratchet wheel, oscillating weight), and comprehensive parts nomenclature with part numbers. Features automatic winding with sweep second hand, day and date calendar with instant setting device, bilingual day-of-week display, and Diashock shock resistance system.
Seiko Caliber 2706A 21J Movement Parts List
Technical parts catalog for Seiko caliber 2706A automatic movement with 21 jewels. Contains detailed parts list with reference numbers, technical characteristics (17.20mm case diameter, 5.70mm maximum height, 28,800 vibrations per hour), movement diagrams, and component illustrations. Includes specifications for calendar function with day and date mechanism, shock-resistant device, and sweep second hand.
Seiko Caliber 4206A 17-Jewel Watch Service Manual
Complete service manual for the Seiko 4206A automatic wristwatch movement with 17 jewels. Contains specifications, disassembly and reassembly procedures, calendar mechanism details, automatic winding and governor mechanism, gear train mechanism, setting mechanism, and troubleshooting for the automatic winding system. Includes lubrication instructions, technical diagrams, and detailed illustrations of all major components.
Seiko Caliber 4216A Parts List and Exploded Diagrams
Parts list and exploded diagrams for Seiko caliber 4216A automatic watch movement with 17 jewels. Includes part numbers and material designations for all mechanical components.
Seiko Caliber 4219A Parts List and Technical Specifications
Parts catalog and technical documentation for Seiko caliber 4219A (23 jewels). Includes case diameter 23.4 mm, maximum height 5.6 mm, vibration per hour 21,600. Contains detailed parts list with numbered components, exploded views showing barrel and train wheel bridge, date wheel mechanism, escape wheel assembly, balance staff, transmission wheels, and various jewel settings. Covers day/date calendar system and shock-resistant Diashock device for day and date calendars. Includes remarks section on day star dial and date dial configurations.
Seiko Caliber 5246A 25J Parts List and Technical Data
Parts list and material specifications for Seiko caliber 5246A 25-jewel automatic movement. Includes component identification with part numbers, mechanical assembly diagrams showing barrel, train wheels, escape wheel, balance assembly and related components. Technical specifications cover case diameter 25.60mm, maximum height 7.95mm, 28,800 vibrations per hour. Additional sections on setting levers, date finger, date dial and holding ring configurations with detailed references for case variations.
Seiko Caliber 5626A Service Manual - 25 Jewels
Service documentation for Seiko caliber 5626A automatic watch movement with 25 jewels. Contains characteristics, exploded views of components, and comprehensive parts list with numbered reference parts including train wheel bridge, pallet fork, balance staff, setting lever assembly, dials, wheels, springs, and various screws. Includes sections on setting lever selection, date dial, day star with dial disk, and holding ring specifications with technical notes on proper assembly and adjustment procedures.
Seiko Caliber 5626B Parts List and Technical Specifications
Parts list and components diagram for Seiko caliber 5626B watch movement. Includes casing diameter 25.60mm, maximum height 7.450mm, vibrations per hour 28,800. Contains numbered parts references with assembly notes for barrel, train wheels, pallet, balance, transmission wheel, setting lever, and various jeweled components. Includes remarks on setting lever types, date dial configuration, day/star dial disk specifications, and holding ring measurements.
Seiko Caliber 6105B Watch Parts List and Components
Parts list and exploded component diagrams for Seiko caliber 6105B automatic wristwatch. Includes detailed part numbers for barrel, wheels, springs, lever mechanisms, dial components, and assembly hardware. Features technical characteristics: 27.00 mm case diameter, 5.15 mm maximum height, 21,600 vibrations per hour, automatic winding with sweep second hand, instant date setting with rotating crown, and Diashock shock-resistant device.
Seiko Caliber 6106B Parts List and Assembly Diagram
Parts list and exploded view diagrams for Seiko caliber 6106B (17 jewels and 25 jewels versions). Contains detailed component identification with part numbers, materials list, assembly illustrations, and technical characteristics. Includes remarks on specific parts availability and usage conditions.
Seiko Caliber 6119B Watch Parts List and Specifications
Technical documentation for Seiko caliber 6119B automatic watch with 21 jewels. Contains detailed parts list with part numbers, component names in English, exploded views of major assemblies (case, movement, dial, hands), and technical characteristics including case diameter 27.00mm, maximum height 5.15mm, and water resistance 30m. Includes remarks on specific components such as windscreen stem, indicator wheels, date dial, day star, and holding ring specifications.
Seiko Caliber 6138B Automatic Chronograph Parts List
Parts list and exploded view diagrams for the Seiko caliber 6138B automatic chronograph movement. Includes 21-jewel and 23-jewel variants with detailed component illustrations, part numbers, and material specifications. Features date dial, day star dial disk options, and holding ring specifications for dial assembly.
Seiko Caliber 6139B Automatic Chronograph Parts List
Parts list and materials catalog for Seiko caliber 6139B 17-jewel automatic chronograph movement. Includes numbered part references, mechanical component diagrams, and specifications. Document covers both 17j and 21j variants with detailed parts identification for the 30-minute chronograph recorder mechanism.
Seiko Caliber 6309A 17-Jewel Movement Service Manual
Technical service documentation for the Seiko 6309A automatic watch movement with 17 jewels. Contains detailed exploded diagrams of all mechanical components including: calendar mechanism, automatic winding system, escapement and governor mechanism, gear train, and setting mechanism. Includes specifications (27.0mm case diameter, 5.2mm height, 21,600 vibrations per hour), complete parts listings with reference numbers, assembly and disassembly procedures, lubrication charts with oil types and quantities, holding ring specifications for dial, oscillating weight interchange information, and crown position settings for normal, date-setting, and hand-setting modes. All text in Japanese and English.
Seiko Caliber 6319A Parts List and Technical Diagram
Parts list and exploded mechanical diagram for Seiko caliber 6319A automatic movement with 21 jewels. Includes detailed component identification, part numbers, and technical specifications for the day/date automatic winding mechanism. Contains remarks on lever for unlocking stem, date dial configuration, day star with dial disk, holding ring for dial, oscillating weight interchangeability, and oscillating weight forms.
Seiko Caliber 6349A 23 Jewels Movement Parts List
Exploded parts diagram and comprehensive parts list for the Seiko 6349A automatic movement with 23 jewels. Includes detailed mechanical component views and numbered part references covering barrel, wheels, springs, jewels, screws, and all internal mechanism components.
Seiko Caliber 63A Service Manual - Hands, Dial and Gear Train
Technical service documentation for Seiko caliber 63A movement. Contains specifications (27.0mm casing diameter, 21,600 vibrations per hour), disassembly and reassembly procedures, lubrication instructions, and detailed exploded diagrams of the hands, dial, escapement mechanism, governor, gear train, and setting mechanism. Includes parts lists with numbered components and notes for assembly.
Seiko Caliber 6618A - Parts List and Component Diagram
Technical parts diagram and numbered component list for Seiko caliber 6618A automatic movement. Includes exploded views of mechanical components with corresponding part numbers, specifications (23.60mm casing diameter, 3.85mm maximum height, 18,000 vibrations per hour), and complete parts catalog reference.
Seiko Caliber 66A Movement - Parts List and Diagrams
Technical documentation for Seiko Caliber 66A automatic watch movement (17 jewels). Contains characteristic specifications including case diameter 23.60mm, maximum height 3.85mm, and 18,000 vibrations per hour. Features shock-resistant device and oil lubrication system. Document includes exploded views of movement components and comprehensive parts list with part numbers and descriptions for all mechanical elements.
Seiko Caliber 7006A Parts Catalog and Technical Data
Parts catalog for Seiko caliber 7006A automatic watch movement (17 and 21 jewels versions). Contains detailed parts lists with part numbers, exploded views of internal components, characteristics including 27.00mm case diameter, 4.85mm maximum height, 21,600 vibrations per hour, and technical remarks on winding stem, date dial, day star with dial disk, and holding ring for dial specifications.
Seiko Caliber 7006A Parts List and Technical Documentation
Parts list and technical documentation for Seiko caliber 7006A automatic winding watch movement. Includes exploded views of movement components, parts numbering for barrel, train-wheel bridge, wheels, escape wheel, pallet fork, balance, and jewels. Technical characteristics: 27.00 mm casing diameter, 4.85 mm maximum height, 21,600 vibrations per hour. Contains specific remarks on winding stem, lever for unlocking stem, date dial configurations, day star with dial disk, and holding ring specifications with technical diagrams.
Seiko Caliber 8800F 7J Parts List and Specifications
Technical documentation for Seiko caliber 8800F (7 jewels) automatic watch movement. Includes characteristics (40.25mm case diameter, 7.55mm height, 36,000 vibrations per hour), exploded views of movement components, and comprehensive parts list with part numbers for barrel, wheels, pinions, jewels, springs, levers, screws and other mechanical elements. Remarks section covers winding stem, balance cock washer, adjustment disk of hammer and winding stem screw specifications.
Seiko Caliber V031A Combination Quartz Technical Guide
Technical guide and parts list for Seiko caliber V031A combination quartz watch movement. Includes specifications, screw types, operation instructions for analog and digital sections, disassembly and reassembly procedures with lubrication specifications, checking and adjustment procedures for circuit block and movement, reset and alarm condition checks, and complete parts list with part numbers.
Seiko Calibre 2919A 21 Jewels Parts Catalog
Parts list and exploded view for Seiko quartz watch caliber 2919A with 21 jewels. Contains detailed component diagrams with part numbers for movement assembly including wheels, springs, jewels, levers, and other mechanical elements. Includes characteristics notes on winding stem selection, date dial specifications, day star dial disk, and case screw variants.
Seiko Calibre 63A Service Manual - Hands, Dial and Gear Train
Service documentation for Seiko caliber 63A, 17-jewel movement. Contains specifications (27.0 mm case diameter, 21,600 vibrations per hour), disassembly and reassembly procedures with numbered diagram references, lubrication specifications (Moebius A, Moebius V, SEIKO Watch Oil S-2, S-6), detailed hand and dial assembly illustrations, escapement and governor mechanism diagrams, gear train mechanism with component identification, and setting mechanism assembly. Includes parts list with numbered components and holding ring specifications for dial.
Seiko Calibre 6619A Sportsmatic 5 Parts Catalog
Technical parts list and exploded views for Seiko calibre 6619A automatic movement with 21 jewels. Includes detailed mechanical diagrams of the movement and comprehensive parts listing with part numbers for all components including barrel, wheels, bridges, jewels, screws, and specialized devices such as the Diashock shock-resistant system and automatic winding mechanism with sweep second. Calendar function with day and date complication.
Seiko Calibre 7025A Parts List and Exploded Views
Parts catalog page for Seiko caliber 7025A automatic watch movement. Includes exploded views of all components, numbered parts list with part numbers and part names, and movement characteristics: 27.00 mm casing diameter, 6.60 mm maximum height, 21,600 vibrations per hour automatic winding with sweep second hand, instant date setting, and Diashock shock resistant device. Components covered: barrel and train wheel bridge, center wheel, fourth wheel, balance cock, balance complete assembly, mainspring and arbor, wheels and pinions, escape wheel, minute and hour wheels, date wheels, ratchet wheel, pallet fork and staff, various screws, springs, levers, and frame assemblies.
Seiko Calibre 9119A Watch Movement Parts List
Technical parts list and exploded view for Seiko calibre 9119A watch movement. Includes detailed numbered components, mechanical gears, jewels, springs, screws, and assembly parts with corresponding part numbers for the 15-jewel movement.
Seiko Digital Quartz A638A A639A Technical Guide
Technical guide for Seiko Digital Quartz watches models A638A and A639A. Covers specifications, circuit block structure, disassembly and reassembly procedures with detailed diagrams, and checking and adjustment procedures including battery voltage, current consumption, water resistance, accuracy, alarm system, speaker block condition, and bulb replacement instructions.
Seiko Digital Quartz Cal. 0138A Technical Guide
Complete technical guide for Seiko Digital Quartz caliber 0138A. Includes specifications, button operation, time and calendar setting procedures, stopwatch and countdown functions, battery life indicator information, disassembly and reassembly instructions for the case, module maintenance, and detailed checking and adjustment procedures. Contains parts list with numbered components, service instruments required, lubrication specifications, and remarks on glass replacement and switch button disassembly.
Seiko Digital Quartz Cal. 0644A & 0664A Technical Guide
Technical service manual for Seiko digital quartz watches Cal. 0644A and 0664A. Covers specifications, operating methods, display and button functions, time setting procedures, disassembly and reassembly of case and movement, cleaning procedures, and checking and adjustment guide with malfunction diagnostics table.
Seiko Digital Quartz Cal. A039A Technical Guide
Complete technical guide for Seiko Digital Quartz Cal. A039A alarm watch. Covers specifications, display and button operation, timer and alarm functions, alarm sounding mechanism, battery life indicator, after-sales servicing tools, case disassembly and reassembly procedures, component lubrication and cleaning methods, and comprehensive checking and adjustment procedures with diagnostic flowchart.
Seiko Digital Quartz Cal. A133A Technical Guide
Complete technical manual for Seiko Digital Quartz caliber A133A wristwatch. Includes specifications, features, detailed operating instructions for time/calendar and alarm functions, speaker mechanism and working principles, disassembly and reassembly procedures for case and module, glass and speaker cover replacement, cleaning procedures, and checking/adjustment guide. Features nematic liquid crystal FEM display, 32,768 Hz quartz oscillator, digital display system with time, calendar, alarm and date functions, illuminating light, battery life indicator and alarm test system.
Seiko Digital Quartz Cal. A159B Parts List
Parts list with exploded views for Seiko Digital Quartz movement caliber A159B. Includes circuit block, liquid crystal panel frame, switch spring, connector, circuit bridge plate, reflecting mirrors, speaker block, battery holder screw, and silver oxide battery. Characteristics: 28.9 mm casing diameter, 7.0 mm maximum height without battery, 32.768 kHz quartz crystal oscillator, digital display showing hour/minute/second/day, calendar functions, chronograph functions, and alarm features.
Seiko Digital Quartz Cal. A628A Technical Guide
Technical guide for Seiko Digital Quartz model Cal. A628A wristwatch. Contains specifications, circuit block structure, detailed disassembly and reassembly procedures for case and module, solar battery replacement instructions, and comprehensive checking and adjustment procedures including rechargeable conditions, battery testing, liquid crystal panel verification, current consumption checks, and functional adjustments.
Seiko Digital Quartz Cal. A638A Parts Catalogue
Parts catalogue for Seiko Digital Quartz model A638A. Contains exploded views and part identification numbers for circuit blocks, insulators, battery connections, switch springs, speaker components, liquid crystal panel assembly, bulb, reflecting mirror, and fasteners. Includes characteristics: 25.4 x 25.1 mm casing, 4.0 mm height without battery, 32,768 Hz quartz crystal oscillator, 12 or 24-hour display, alarm function, time signal, nematic liquid crystal display, and illuminating light. Battery specifications listed for multiple compatible types.
Seiko Digital Quartz Cal. A708A, A718A Technical Guide
Technical documentation for Seiko digital quartz watch movements Cal. A708A and A718A. Includes specifications, circuit block structure, display functions (home time, world time, alarm, calendar), disassembly and reassembly procedures, liquid crystal panel electrode mappings, and checking procedures for battery voltage, current consumption, accuracy, alarm systems, and bulb condition. Parts catalogue with numbered components and exploded views.
Seiko Digital Quartz Cal. A827A A828A Technical Guide
Technical guide for Seiko digital quartz watches caliber A827A and A828A. Covers specifications, circuit block structure, case disassembly and reassembly procedures with lubrication instructions, and checking and adjustment procedures. Includes detailed illustrations of case components, conducting plate assembly, rotating ring, glass gasket, and reassembly steps.
Seiko Digital Quartz Cal. A927A A939A Technical Guide
Technical service manual for Seiko digital quartz watches caliber A927A and A939A. Covers specifications, circuit block structure, display functions (time, calendar, stopwatch, alarm with 12/24 hour indication), disassembly and reassembly procedures, lubrication instructions, and comprehensive checking and adjustment procedures including battery voltage, battery conductivity, current consumption, water resistance, liquid crystal panel contact verification, accuracy testing, and functioning checks. Includes detailed circuit diagrams showing segment relationships and C-MOS-LSI output terminal connections.
Seiko Digital Quartz Cal. B337A Technical Guide
Complete technical service manual for the Seiko Digital Quartz movement caliber B337A. Contains specifications, circuit block structure diagram, display functions (time, calendar, alarm, timer), battery change procedures, disassembly and reassembly instructions with component identification, lubrication guidelines, and detailed checking and adjustment procedures including battery voltage, conductivity, current consumption, water resistance, accuracy testing, and electronic regulating device calibration.
Seiko Digital Quartz Cal. C359A Technical Guide
Complete technical guide for Seiko Digital Quartz caliber C359A. Includes specifications, disassembly and reassembly procedures for case and module, lubrication instructions, checking and adjustment procedures. Covers battery voltage checks, liquid crystal panel conductivity testing, accuracy verification, calculator function testing, speaker block inspection, bulb condition assessment, and switch component diagnostics. Features parts list with component illustrations, exploded views, and detailed assembly instructions.
Seiko Digital Quartz Cal. D031A Technical Guide
Technical service manual for Seiko Digital Quartz caliber D031A. Contains specifications, circuit block structure diagram, display functions, disassembly and reassembly procedures with illustrated parts list, and comprehensive checking and adjustment procedures including battery voltage, conductivity, display testing, current consumption, and accuracy verification.
Seiko Digital Quartz Cal. D138A Parts Catalogue
Complete parts catalogue and technical guide for Seiko Digital Quartz movement Cal. D138A. Includes component identification with part numbers, circuit block structure, display functions (time, calendar, alarm, stopwatch), disassembly and reassembly procedures with lubrication specifications, module breakdown, and detailed checking and adjustment procedures. Features battery information (silver oxide), specifications for display medium (nematic liquid crystal FEM), and comprehensive technical documentation for service and maintenance.
Seiko Digital Quartz Cal. D229A Technical Guide
Technical guide and parts catalog for Seiko Digital Quartz Cal. D229A watch movement. Contains specifications, circuit block structure, disassembly and reassembly procedures with lubrication instructions, detailed technical drawings of components, and checking and adjustment procedures including battery voltage, conductivity, display verification, and accuracy testing.
Seiko Digital Quartz Cal. D409A Technical Guide
Technical guide and parts catalog for Seiko Digital Quartz movement Cal. D409A. Contains specifications, circuit block structure, display functions, disassembly and reassembly procedures with lubrication instructions, module service details, liquid crystal panel electrode relationships, and comprehensive checking and adjustment procedures including battery voltage, conductivity, current consumption, water resistance, accuracy, alarm system testing, and alarm condition diagnostics.
Seiko Digital Quartz Cal. F023A Technical Guide
Technical guide for the Seiko Digital Quartz Cal. F023A watch movement. Includes specifications, display and button operation, battery life indicator, disassembly and reassembly procedures, cleaning instructions, and checking and adjustment procedures. Features detailed illustrations and step-by-step instructions for case disassembly, glass replacement, and module servicing. Contains parts list with component numbers.
Seiko Digital Quartz Cal. F033A Technical Guide
Technical service manual for Seiko Digital Quartz watch caliber F033A. Contains specifications, case disassembly procedures, glass replacement instructions, complete disassembly and reassembly procedures with component diagrams, and detailed checking and adjustment procedures including battery voltage testing, conductivity checks, circuit block and liquid crystal panel verification, current consumption measurement, accuracy adjustment, and battery life indicator testing. Includes parts list with component numbers and nomenclature.
Seiko Digital Quartz Cal. F051A Technical Service Guide
Complete technical service manual for the Seiko Digital Quartz Cal. F051A watch movement. Includes detailed specifications, disassembly and reassembly procedures with illustrated diagrams, component identification with part numbers, and systematic checking and adjustment procedures for battery voltage, conductivity, accuracy, and functionality. Features step-by-step instructions for case opening, module service, and bulb maintenance.
Seiko Digital Quartz Cal. F421A Technical Guide
Technical guide for Seiko Digital Quartz Cal. F421A watch movement. Includes specifications, disassembly and reassembly procedures for case and module, lubrication instructions, checking and adjustment procedures for battery voltage, pattern segment checking system, liquid crystal panel and connector conductivity, circuit block testing, current consumption, accuracy, and switch components. Features nematic liquid crystal display with FEM mode, 12-hour time display with date and calendar functions, 32.768 Hz quartz oscillator, and silver peroxide battery (SEIKO TR912SW). Contains detailed exploded views and step-by-step assembly instructions.
Seiko Digital Quartz Cal. L012A Technical Guide
Complete technical documentation for Seiko Digital Quartz caliber L012A. Includes specifications, display and button operation instructions, battery life indicator information, disassembly and reassembly procedures for case and movement, cleaning instructions, and detailed checking and adjustment procedures with parts list and reference illustrations.
Seiko Digital Quartz Cal. L221A Technical Guide
Technical service manual for Seiko Ladies Digital Quartz caliber L221A. Includes specifications, features, case assembly and disassembly procedures, parts list with illustrations, battery replacement instructions, and comprehensive checking and adjustment procedures with troubleshooting flowchart.
Seiko Digital Quartz Cal. L423A Technical Guide
Technical guide for Seiko Digital Quartz caliber L423A. Contains specifications, circuit block structure, disassembly and reassembly procedures for liquid crystal panel, switch mechanism, and segment electrode. Includes checking and adjustment procedures for battery voltage, pattern segment checking system, conductivity tests, current consumption, accuracy, and functioning verification. 16.0 mm casing diameter, 3.4 mm height without battery, Nematic liquid crystal FEM display, trimmer condenser regulation system.
Seiko Digital Quartz Cal. S023A Technical Guide
Technical guide for Seiko Digital Quartz movement Cal. S023A. Contains specifications, circuit block structure, display functions (stopwatch and time/calendar display), and detailed disassembly/reassembly procedures for case and module components. Includes checking and adjustment procedures for battery voltage, liquid crystal panel conductivity, current consumption, accuracy, and switch components. Features liquid crystal segment electrode designation and parts list with Toshiba WG3 battery.
Seiko Digital Quartz Cal. S024A, S025A Parts Catalogue
Parts catalogue for Seiko Digital Quartz movements Cal. S024A and S025A. Includes dial designs, circuit blocks, switch springs, battery connections, connectors, crystal unit cushions, liquid crystal panels, screws, and battery specifications. Features component photographs and part reference numbers.
Seiko Digital Quartz Cal. S025A Technical Guide
Technical guide for Seiko Digital Quartz Cal. S025A. Covers specifications, circuit block structure, case and module disassembly/reassembly procedures with lubrication guidelines, liquid crystal panel electrode relationships, and detailed checking and adjustment procedures including battery recharging, circuit signal transmission, solar battery testing, current consumption, accuracy measurement, and switch component conductivity verification.
Seiko Digital Quartz Cal. S229A Parts Catalog
Parts catalog and technical guide for Seiko Digital Quartz watch Cal. S229A. Contains illustrated parts breakdown with part numbers, specifications, disassembly and reassembly procedures for case and module, LCD display functions including time/calendar, alarm, stopwatch and pulse monitoring display modes, circuit block structure diagram, battery specifications, and comprehensive checking and adjustment procedures covering battery voltage, conductivity, current consumption, water resistance, liquid crystal panel testing, accuracy checks, alarm tests, and switch component verification.
Seiko Digital Quartz Cal. SO24A Technical Guide
Technical guide for Seiko Digital Quartz watch model Cal. SO24A. Covers specifications, circuit block structure, display functions (time/calendar/stopwatch with 1/100 second precision), case and module disassembly/reassembly procedures with lubrication instructions, liquid crystal panel electrode relationships, and comprehensive checking and adjustment procedures including battery voltage, conductivity, current consumption, accuracy testing, and switch component verification.
Seiko F039A Digital Quartz Parts List
Parts list and exploded views for the Seiko F039A digital quartz watch. Includes circuit block, switch components, liquid crystal panel frame, battery guard, insulating spacer, reflecting mirror, bulb, spring, screws and tube for battery guard. Features 12-hour digital display with calendar function and illuminating light. Casing diameter 25.6mm, height 4.4mm without battery. Crystal oscillator frequency 32,768 Hz. Single crystal display (nematic liquid crystal, FE-Mode). Regulation system with trimmer condenser. Battery options: Maxell SR1130W, Toshiba WG10, or U.C.C 389.
Seiko F231A Digital Quartz Watch Technical Guide
Technical manual for Seiko Cal. F231A digital quartz watch movement. Contains parts list with numbered components and exploded views, specifications, circuit block structure diagram, and detailed disassembly/reassembly procedures for case and module. Includes sections on switch mechanism, liquid crystal panel electrode designation, and checking/adjustment procedures for battery voltage, pattern segment system, conductivity, liquid crystal panel, circuit block, current consumption, accuracy, and switch components.
Seiko G139A Quartz Module Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko G139A quartz module. Includes detailed specifications (27.4mm diameter, 5.73mm height, nematic liquid crystal FEM display), complete parts list with 11 numbered components and exploded views (battery, circuit blocks, liquid crystal panel, reflecting mirror, frame, connectors, insulators), disassembly/reassembly procedures, battery installation instructions, circuit block structure diagram showing crystal unit, upconverter coil, solid condenser, bulb, transistors and other components. Technical specifications include 1/4 multiplex LCD driving system, stopwatch display up to 30 hours, timer function, alarm system, illuminating light, and current consumption data.
Seiko G757A Digital Quartz Watch Technical Guide
Technical guide for Seiko G757A digital quartz watch (caliber G757A). Includes specifications, circuit block structure, display functions (time, timer, alarm, dual-time, stopwatch), disassembly and reassembly procedures with detailed diagrams, liquid crystal panel electrode relationship with C-MOS LSI output terminal, and comprehensive checking and adjustment procedures covering battery, current consumption, water resistance, accuracy, alarm system, bulb condition, and functional testing. Features nematic liquid crystal display with multiplex driving system.
Seiko H021B H022A H023A Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko calibers H021B, H022A, and H023A. Includes detailed specifications, movement diagrams with numbered components, disassembly and reassembly procedures, lubricating specifications, battery installation instructions, motor distinction charts, and electrical value checking parameters. Features exploded views of analog and digital hybrid watch movements with step motor driving systems.
Seiko H127A Digital Quartz Technical Guide and Parts List
Technical guide for Seiko H127A digital quartz watch caliber. Includes detailed specifications, disassembly and reassembly procedures for case and movement, lubrication instructions with oil types and quantities, and comprehensive checking and adjustment procedures. Parts list with component photographs and reference numbers. Contains five types of screws identification, movement holder information, and detailed remarks for reassembly of all major components including circuit blocks, liquid crystal panel, and gear train mechanism.
Seiko H448A Quartz Watch Parts Catalogue
Parts list and exploded view for Seiko Quartz caliber H448A. Includes detailed part numbers for all internal components: wheels, springs, circuit blocks, battery connections, liquid crystal panel, and associated fasteners. Contains characteristics specifications and notes on part combinations and compatibility.
Seiko H449A Digital Quartz Technical Guide
Technical guide and parts catalogue for the Seiko Cal. H449A digital quartz watch. Contains specifications, circuit block structure diagram, disassembly and reassembly procedures with lubrication instructions, and detailed checking and adjustment procedures including battery voltage, output signal, current consumption, accuracy, alarm system, water resistance, and functioning tests. Includes parts list with exploded views and component identification.
Seiko H461A Quartz Watch Technical Guide
Technical guide and parts catalogue for the Seiko H461A quartz movement (reference 2j). Contains specifications, circuit block structure diagram, disassembly and reassembly procedures for dial, hands, battery clamp, winding stem, liquid crystal panel frame and main plate. Includes checking and adjustment procedures for output signal, battery voltage, coil block, liquid crystal panel and circuit block. Lists screws used and lubricating oils. Suitable for Seiko analogue and digital quartz watches with step motor drive and multiplex display system.
Seiko H601A Movement - Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko H601A hybrid quartz movement. Includes detailed specifications: analoguedigital display with 3 hands and nematic liquid crystal digital section, step motor driving system with load compensation, multiplex driving system for digital section. Contains complete parts list with numbered components and exploded views, disassembly and reassembly procedures, circuit block structure diagrams, segment-electrode relationship for LCD panel, installation instructions for battery, hands, winding stem, switch spring, train wheel bridge, and reflecting mirror. Technical specifications cover movement dimensions (24.5mm x 23.0mm), regulated by trimmer condenser, battery SEIKO SR920W or Maxell SR920W with 2-year life at 1.65V, accuracy better than 15 seconds monthly.
Seiko H801A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. H801A hybrid quartz watch movement. Includes detailed specifications, movement layout diagrams, disassembly/reassembly procedures, parts list with numbered components, installation instructions for hands, winding stem, battery, circuit block, liquid crystal panel, train wheel bridge and setting mechanism. Features circuit block diagrams showing integrated circuits (C-MOS-IC, Bipolar IC), upconverter coil, and electronic components. Provides lubrication specifications and value checking procedures for coil resistance and current consumption.
Seiko Hattori Y432B Parts List
Parts list for caliber Y432B watch movement. Includes detailed component references for wheels, bridges, springs, jewels, screws, coil blocks, battery clamp, rotor stator, and circuit block insulator. Features combination table for center wheel with cannon pinion and hour wheel variants (types a, b, c).
Seiko Kinetic Cal. 7D46/7D48 Instructions Manual
Complete instruction manual for Seiko Kinetic Cal. 7D46 and 7D48 watches. Covers features including Automatic Generating System, power save function, time relay function, perpetual calendar, display and button operation, crown adjustment (screw lock type), time and calendar setting, power reserve guidelines, and specifications. Includes sections on waking the watch from power save mode and handling two-second interval second hand movement. Available in English, German, French, Italian, Spanish, Portuguese and Chinese.
Seiko L823A Digital Quartz Technical Guide
Technical service manual for the Seiko L823A digital quartz watch. Includes detailed specifications, circuit block structure, complete disassembly and reassembly procedures with lubrication guidelines, module component breakdown, and checking and adjustment procedures covering battery voltage, display segment testing, battery conductivity, circuit block output, current consumption, accuracy, switch component conductivity, water resistance, and functioning verification. Features time, date, month and day display with automatic calendar system and battery life indicator. Contains full parts list with numbered components and detailed technical illustrations.
Seiko Lassale Cal. 1230A Quartz Watch Technical Guide
Technical guide and parts catalogue for Seiko Lassale Cal. 1230A quartz watch. Includes specifications, disassembly and reassembly procedures, lubrication instructions, detailed checking and adjustment procedures for circuit block, battery, coil block, gear train mechanism, setting mechanism, current consumption, time accuracy, water resistance, and appearance. Features detailed technical drawings and part numbering system with components list.
Seiko Lassale Cal. 5939A Quartz Parts Catalogue
Parts catalogue for Seiko Lassale Cal. 5939A quartz watch movement. Contains illustrated component breakdown with part numbers, characteristics including 22.0 mm casing diameter, 32,768 Hz quartz crystal oscillator frequency, step motor driving system with rotary step switch regulation, and calendar date function with instant setting device. Includes detailed parts listing with Japanese cross-references and technical specifications.
Seiko Lassale Cal. 6730A Parts Catalogue and Technical Guide
Complete technical documentation for the Seiko Lassale Cal. 6730A quartz watch movement. Includes detailed parts catalogue with numbered component photographs and part numbers, comprehensive specifications (18.0-13.0mm casing diameter, 1.1mm height, 14 jewels, 32.768 Hz frequency), assembly and disassembly procedures with step-by-step illustrations for case, dial, hands, gear train, and electronic circuit. Contains lubrication specifications, adjustment procedures, and testing protocols. Covers indicating mechanism, electronic circuit with CMOS IC, gear train mechanism, and setting mechanism with multiple hand configurations and hour wheel variants.
Seiko Lassale Cal. 7750A Parts Catalogue
Parts catalogue for Seiko Lassale quartz watch model Cal. 7750A. Includes exploded view diagrams showing all components, detailed parts list with reference numbers, technical specifications (22.0 x 20.0 mm case diameter, 32.768 Hz frequency, step motor 2 poles, trimmer condenser regulation), and identification of individual parts such as train wheels, pinions, jewels, circuit blocks, battery connections, and screws.
Seiko Lassale Cal. 7752A Quartz Watch Parts Catalogue
Parts catalogue for Seiko Lassale Cal. 7752A quartz movement. Contains detailed parts list with numbered components, exploded views of mechanical assemblies, characteristics of the movement (22.0 x 21.0 mm casing, 6 jewels, 32,768 Hz oscillator frequency, step motor drive system), and remarks on winding stem, date dial variants, and holding ring specifications.
Seiko Lassale Cal. 7759A Parts Catalogue
Parts catalogue for Seiko Lassale Cal. 7759A quartz watch movement. Includes illustrated parts breakdown, part numbers, and component identification. Contains technical characteristics of the movement (32.768 Hz quartz oscillator, step motor 2 poles, trimmer condenser regulation, instant date setting device). Lists all internal components with corresponding part numbers and diagram references.
Seiko Lassale Cal. 8420B Quartz Parts Catalogue
Parts catalogue and technical specifications for the Seiko Lassale Cal. 8420B quartz movement. Includes exploded views of the movement, complete parts list with part numbers, characteristics (casing diameter 14.9mm, height 1.7mm without battery, 6 jewels, 32.768 kHz quartz crystal oscillator, step motor with 2 poles, rotary step switch regulation), and assembly details. Contains notes on winding stem identification and tube positioning for circuit block screws.
Seiko Lassale Cal. 9443A Parts Catalogue
Parts catalogue and technical specification for Seiko Lassale quartz watch movement Cal. 9443A. Includes dial diagram, exploded view of components, complete parts list with reference numbers, and technical characteristics (32.768 Hz main oscillator, 40.960 Hz auxiliary, step motor 2-pole, trimmer condenser regulation). Details day/date calendar instant setting device and battery life indicator functions. Covers center wheel, fourth wheel, hour wheel combinations (types a and b), day star dial disk variations, date dial options, and day corrector pin positions.
Seiko Lassale Cal. 9550A Quartz Parts Catalog
Parts list and exploded views for Seiko Lassale quartz watch movement Cal. 9550A. Includes component photographs, part numbers, characteristics (23.3 mm casing diameter, 1.6 mm height without battery, 7 jewels, 32,768 Hz oscillator frequency), and technical specifications. Two pages of component illustrations with reference numbers, followed by complete parts nomenclature and remarks section detailing center wheel and pinion variants, hour wheel types, and battery information.
Seiko Lassale Quartz Cal. 8420A Technical Guide
Technical manual for the Seiko Lassale Quartz Cal. 8420A quartz watch movement. Includes specifications (32,768 Hz frequency, 6 jewels, rotary step switch regulation), detailed parts list with numbered component illustrations, disassembly and reassembly procedures for the minute/hour hand, dial, hour wheel, and setting mechanism. Contains lubrication guidelines, circuit block structure diagram, and checking/adjustment procedures for output signal, battery voltage, conductivity, coil block resistance, reset condition, and current consumption.
Seiko Lassale Quartz Cal. 9442A Parts Catalogue
Parts catalogue for Seiko Lassale Quartz movement Cal. 9442A. Contains illustrated parts diagrams with reference numbers, detailed parts list with part numbers and names, specifications (casing diameter 25.6 mm, maximum height 3.1 mm, 8 jewels, 32.768 kHz main frequency), and technical remarks on wheel combinations and date dial options.
Seiko Lassale Quartz Cal. 9442A/9443A Technical Guide
Technical service manual for Seiko Lassale quartz watches Cal. 9442A and 9443A. Covers specifications, circuit block structure, complete disassembly and reassembly procedures for calendar mechanism, setting mechanism, and train wheel assembly. Includes lubrication points, checking procedures for output signal, battery voltage, conductivity, reset condition, coil block, and current consumption. Details time accuracy checking and adjustment procedures using QT-99 Quartz Tester with QT-Adapter. Features detailed exploded diagrams of calendar and movement components.
Seiko Lassale Quartz CAL.9550A 9559A Technical Guide
Technical service manual for Seiko Lassale quartz watches models CAL.9550A and CAL.9559A. Includes specifications, circuit block structure with CMOS-IC and crystal oscillator diagram, disassembly and reassembly procedures with numbered component illustrations, lubrication guide, and checking/adjustment procedures covering output signal, hand setting, battery voltage and conductivity, circuit block conductivity, coil block resistance, reset and train wheel settings, gear train mechanism, setting mechanism, accuracy adjustment, current consumption, water resistance, switch components, and appearance inspection.
Seiko Lassale Quartz Technical Guide - Calibers 7750A 7751A 7752A 7759A
Technical service manual for Seiko Lassale quartz watch movements. Contains specifications for four caliber variants (7750A with 2 hands, 7751A with 3 hands, 7752A, 7759A with 2 hands). Includes circuit block structure diagrams, complete disassembly and reassembly procedures with numbered component illustrations, lubrication specifications using Moebius A and SEIKO watch oil S-6. Comprehensive checking and adjustment sections covering output signal, battery voltage and conductivity, circuit block conductivity, coil block resistance, gear train mechanism, reset and train wheel settings, accuracy, current consumption, battery life indicator, water resistance, and appearance verification. Features exploded mechanical views of the movement with detailed component identification.
Seiko M159A Quartz LC Chronograph Technical Guide
Technical service manual for the Seiko M159A Quartz LC Chronograph digital watch. Includes specifications, operating instructions for time/calendar and stopwatch functions, detailed disassembly and reassembly procedures for case and movement, cleaning instructions, comprehensive checking and adjustment procedures, troubleshooting guides, and parts list with component references. Features sections on battery replacement, static electricity protection protocols, and measurement techniques using the Quartz Tester QT-77.
Seiko M516A Digital Quartz Technical Guide and Parts Catalog
Complete technical documentation for the Seiko M516A digital quartz watch (Cal. M516A). Includes parts catalog with exploded views, technical specifications, circuit block structure, display functions (time, calendar, alarm, stopwatch, recording), disassembly and reassembly procedures for case, front buttons and module with lubrication points, checking and adjustment procedures covering battery voltage, conductivity, current consumption, liquid crystal panel, accuracy, functioning and alarm test system. Features nematic liquid crystal display, multiplex driving system, quartz crystal oscillator at 32,768 Hz, alarm and recording functions.
Seiko M705A Diving Watch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko M705A diving watch. Includes detailed component identification, disassembly and reassembly procedures, circuit block structure, battery installation instructions, pressure sensor unit handling, circuit block cover installation, buzzer terminal setup, and reflecting mirror removal. Features specifications for this 1/4 multiplex LCD dive watch with depth measurement up to 80 meters, various function checks including current consumption, segment verification, mode changes, and alarm testing procedures.
Seiko M726A Diving Watch Parts Catalogue Technical Guide
Parts catalogue and technical guide for Seiko M726A diving watch module (Cal. M726A). Includes complete parts breakdown with numbered components, disassembly and reassembly procedures, module specifications, and functional testing instructions. Covers pressure sensor unit, water contact sensor, liquid crystal display panel, circuit block components, and battery installation. Technical specifications include nematic liquid crystal display with 1/4 multiplex driving system, depth measurement accuracy, and various functional checks for time/alarm, dive mode, dive table mode, and log data display.
Seiko M929A Digital Quartz Watch Technical Guide
Technical service manual for Seiko caliber M929A digital quartz watch. Includes specifications, disassembly and reassembly procedures for case and module with lubricating instructions, glass replacement procedures, and comprehensive checking and adjustment procedures. Contains battery voltage checks, pattern segment testing, liquid crystal panel and circuit block verification, accuracy adjustment, and functional testing. Parts list with designated component numbers.
Seiko N94JA Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko N94JA chronograph movement. Includes specifications, detailed parts diagrams with numbered components, disassembly and reassembly procedures, mode hand adjustment instructions, circuit block structure, battery installation remarks, wheel arrangement details with identification tables, and value checking parameters. Contains illustrated technical explanations for mode correction, hand positioning, and internal mechanism components.
Seiko Pulsar Cal V10 Series Technical Guide and Parts List
Technical guide and parts list for the Seiko Pulsar Cal V10 series analogue quartz watch. Covers specifications for models V102A and V103A, step motor load-compensative driving pulse system, circuit block structure, disassembly and reassembly procedures with illustrations for circular and square cases, lubrication guidelines, cleaning instructions, and comprehensive checking and adjustment procedures including quick start function, capacitor verification, circuit block conductivity, coil block testing, output signal, accuracy, and current consumption measurements. Includes detailed component diagrams and list of screws used.
Seiko Pulsar V653B Movement Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Pulsar V653B quartz chronograph movement. Includes detailed specifications, disassembly and reassembly procedures with numbered illustrations, parts identification with cross-references, setting positions for auxiliary train wheel bridge components, battery installation procedures with reset methods, and technical remarks on dial removal, hand installation, winding stem removal, and train wheel bridge configurations. Features exploded views showing all 50 component parts.
Seiko Pulsar Y301A, Y302A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Pulsar quartz watches models Y301A and Y302A. Includes specifications, exploded parts diagrams with numbered components, assembly procedures, lubrication instructions, circuit block structure, time accuracy measurement and adjustment procedures, pattern cutting instructions for frequency adjustment, and temperature-related timing specifications. Contains detailed technical remarks on disassembly and reassembly.
Seiko Quartz 1E20A 1E50A Technical Guide
Technical service manual for Seiko Quartz caliber 1E20A and 1E50A movements. Covers specifications, circuit block structure, disassembly and reassembly procedures with detailed parts illustrations, lubrication points, and checking and adjustment procedures including output signal, battery voltage, coil block, reset condition, accuracy, and current consumption tests.
Seiko Quartz 2002 Cal. 3803A Parts List
Parts list and technical specifications for Seiko Quartz 2002 (Cal. 3803A) wristwatch. Includes exploded views of components, part numbers with descriptions, characteristics (25.60mm casing diameter, 9.30mm height, 16.384 Hz quartz oscillator frequency, step motor system), and detailed remarks on setting levers, date dials, day star with dial disk, holding rings, condenser selection for oscillator regulation, battery connections, and insulating caps. 4 pages.
Seiko Quartz 3003 Cal.0843A Parts List and Technical Manual
Complete parts list with exploded views and technical guide for Seiko Quartz caliber 0843A. Includes calendar mechanism, electronic circuit mechanism, gear train mechanism, setting mechanism, and motor block. Contains disassembly and reassembly procedures, hand and calendar setting instructions, lubrication and cleaning guidance, and checking procedures. 9-jewel movement with 32.768 Hz crystal oscillator, step motor system, and trimmer condenser regulation. Case diameter 24.0 mm, height 4.8 mm.
Seiko Quartz 3003 Cal.4823A Parts List and Technical Guide
Complete parts list with exploded views and technical guide for Seiko Quartz 3003 Cal.4823A wristwatch movement. Includes 7-jewel caliber specifications, component identification diagrams, assembly drawings, functioning principles of electronic circuit block and mechanical portion, calendar and time setting procedures, case construction details, battery replacement instructions, disassembly and reassembly guidelines, and cleaning instructions. Features detailed movement structure diagrams showing coil block, circuit block, gear train and step motor components.
Seiko Quartz 4004 (Cal. 4633A) Technical Guide and Parts List
Complete technical documentation for the Seiko Quartz 4004 movement (caliber 4633A). Contains specifications, functional outline, calendar mechanism details, case assembly instructions, battery life indicator information, disassembly and reassembly procedures with illustrations, lubrication guidelines, and comprehensive parts list with part numbers and component identification diagrams. Includes sections on electronic circuit, gear train, setting mechanism, and detailed remarks on calendar operation, dial variations, and day star configurations.
Seiko Quartz 4004 Cal.0903A Technical Guide
Complete technical guide for the Seiko Quartz 4004 movement (Cal.0903A). Covers specifications, characteristics, functioning of electronic circuit block with crystal oscillator at 32,768 Hz, step motor system, gear train mechanism, setting mechanism with second setting device, calendar mechanism with day and date changes, case construction details. Includes operational sequences, troubleshooting checks for output signal, battery voltage, circuit block conductivity, coil block, second setting lever, gear train condition, accuracy adjustments, disassembling and reassembling procedures with tools required, lubrication and cleaning instructions.
Seiko Quartz Cal. 1320A Technical Guide and Parts List
Technical guide for Seiko Quartz Cal. 1320A automatic electronic-handsetting quartz watch movement. Contains specifications, operating principles with pulse diagrams for normal and reverse driving, detailed disassembly and reassembly procedures with illustrated parts breakdown, lubrication guidelines, and comprehensive checking and adjustment procedures. Includes parts list with 30 part numbers and characteristics of five different center wheel and hour wheel combinations. Battery: silver peroxide SEIKO TR621SW or SB-DG, 3-year life at 1.55V. Movement diameter 17.1mm, height 2.8mm without battery, 32.768 Hz oscillator frequency, step motor system.
Seiko Quartz Cal. 1320A Technical Guide and Parts List
Complete technical documentation for Seiko Cal. 1320A quartz watch movement. Includes specifications, features, time setting instructions, disassembly and reassembly procedures with detailed illustrations, lubrication guide, checking and adjustment procedures. Contains parts list with numbered components, electronic circuit and gear train mechanism diagrams, and operational principles of the step motor reversal system. Covers crystal oscillator at 32,768 Hz, trimmer condenser regulation, automatic electronic hand-setting by crown, and 6 jewels movement.
Seiko Quartz Cal. 1421A 1428A Technical Guide
Technical guide for Seiko quartz watch movements Cal. 1421A and Cal. 1428A. Covers specifications, circuit block structure, disassembly and reassembly procedures with lubrication instructions, and checking and adjustment procedures including output signal, battery voltage and conductivity, coil block, current consumption, accuracy, and appearance verification.
Seiko Quartz Cal. 1421A Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 1421A movement. Contains illustrated parts list with numbered components, exploded views of the watch mechanism, characteristics (15.1 x 13.0 mm casing, 2.8 mm height, 32,768 Hz oscillator frequency, step motor driving system), and assembly notes. Includes specifications for alternative component combinations and battery options.
Seiko Quartz Cal. 1428A Parts Catalogue
Parts catalogue and technical specifications for Seiko Quartz movement Cal. 1428A. Includes exploded view diagrams of all components with part numbers, characteristics (15.1 x 13.0 mm casing, 3.2 mm height without battery, 32,768 Hz quartz crystal frequency, 2 jewels), and complete parts list with 40+ individual components and screws.
Seiko Quartz Cal. 14A Technical Guide and Parts List
Technical guide and parts list for Seiko Quartz Cal. 14A watch movement. Includes specifications, disassembly and reassembly procedures with lubrication instructions, electronic circuit diagrams, gear train and setting mechanism details, checking and adjustment procedures. Features detailed illustrations for indicating mechanism, electronic circuit, friction spring adjustment, and battery connection. Covers reset and second setting conditions, coil block verification, and current consumption testing.
Seiko Quartz Cal. 14B Parts List
Parts list for Seiko Quartz movement Cal. 14B. Includes visual diagrams of components, numbered parts reference table, mechanical specifications (32,768 Hz quartz crystal, step motor 2 poles, trimmer condenser regulation), and battery information. Contains screw types, bridge components, wheels, and circuit block details.
Seiko Quartz Cal. 14C Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 14C movement. Includes technical specifications (casing diameter 15.1 x 13.0 mm, height 2.3 mm without battery, 2 jewels, 32.768 Hz frequency, step motor 2-pole, trimmer condenser regulation). Illustrated parts list with numbered components: bridges, wheels, springs, levers, rotors, battery terminals, screws, and jewels. Features two center wheel variants with silver or gold hour wheels and cannon pinions. Battery compatibility information for multiple silver oxide models.
Seiko Quartz Cal. 1E20A & 1E50A Technical Guide
Technical manual for Seiko quartz movements Cal. 1E20A and 1E50A. Covers specifications, circuit block structure, disassembly and reassembly procedures with lubrication points, detailed parts identification with numbered diagrams, and checking and adjustment procedures including output signal, battery voltage, coil block, reset condition, accuracy adjustment, and current consumption testing.
Seiko Quartz Cal. 2320A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz caliber 2320A. Includes specifications (32,768 Hz quartz oscillator, step motor 2-pole system, rotary step switch regulation), detailed disassembly and reassembly procedures for case, minute hand-hour wheel, circuit block, coil block and gear train mechanism with lubrication guidance. Contains checking and adjustment procedures including output signal verification, battery voltage testing, conductivity checks for circuit and coil blocks, accuracy verification, and current consumption measurement. Features comprehensive parts list with numbered components and technical diagrams. Document includes remarks on case ring classification, winding stem variants, and time accuracy adjustment procedures with rotary step switch positioning.
Seiko Quartz Cal. 2320A Technical Guide and Parts List
Technical guide and parts list for the Seiko Quartz Cal. 2320A ladies watch movement. Includes specifications, features, time accuracy adjusting procedures, disassembly and reassembly instructions with lubrication details for case, minute hand, hour wheel, circuit block, coil block, gear train and setting mechanism. Checking and adjustment procedures with diagnostic flowchart covering output signal, battery voltage, electronic circuit block conductivity, coil block and mechanical portions. Contains exploded views, component photographs and detailed remarksfor service technicians.
Seiko Quartz Cal. 2620A Parts List
Parts list and technical specifications for Seiko Quartz caliber 2620A watch movement. Includes exploded views, part numbers, and characteristic data. 32,768 Hz quartz crystal oscillator with step motor driving system and trimmer condenser regulation.
Seiko Quartz Cal. 2620B Parts List
Parts list and technical specifications for Seiko Quartz movement Cal. 2620B. Includes component photographs with part numbers, characteristics (32,768 Hz crystal oscillator, step motor system, trimmer condenser regulation), and detailed parts nomenclature. Documents center minute wheel variants with cannon pinion in silver and gold-plated finishes, hour wheel options, and winding stem configurations.
Seiko Quartz Cal. 2622A Parts List
Parts list and exploded views for Seiko Quartz caliber 2622A. Includes component illustrations, part numbers, and characteristics. Features 2 jewels, 32.768 Hz quartz crystal oscillator, step motor system, and date calendar function.
Seiko Quartz Cal. 2623A Parts List and Technical Data
Parts list and technical specifications for Seiko Quartz movement Cal. 2623A. Includes numbered parts diagrams, component identifications, dial variants, winding stem options, setting lever types, and assembly notes. Features calendar function with bilingual day/date changeover system.
Seiko Quartz Cal. 2625A Technical Guide - Diver's 150m
Technical guide and parts list for Seiko Quartz movement Cal. 2625A. Includes specifications (32.768 Hz crystal oscillator, 2 jewels, 17.6 mm case diameter, 3.2 mm height without battery, 1.55V silver oxide battery with approximately 2 years life). Contains detailed disassembly and reassembly procedures for the watch case with lubrication marks and oil quantity specifications. Features periodic check procedures for battery replacement, movement inspection, and water resistance testing. Includes complete parts list with over 70 component references and assembly/reassembly instructions with photographs.
Seiko Quartz Cal. 2625B Parts List
Parts list and exploded views for Seiko Quartz Cal. 2625B movement. Includes detailed parts diagrams, part numbers, characteristics (17.6mm casing diameter, 2 jewels, 32,768 Hz oscillator frequency), and remarks on component variants including fourth wheel, center minute wheel, and hour wheel combinations.
Seiko Quartz Cal. 2626A Parts List and Specifications
Parts list with exploded diagrams and specifications for Seiko Quartz movement Cal. 2626A. Includes component identification, part numbers, characteristics (17.6 mm casing diameter, 32,768 Hz frequency, step motor system), and technical remarks on variations for fourth wheel pinion, center minute wheel, hour wheel, winding stem, setting lever, and date dial options.
Seiko Quartz Cal. 2626B Parts List
Parts list and technical specifications for Seiko Quartz movement Cal. 2626B. Includes component photography, part numbers, characteristics (17.6 mm casing diameter, 32.768 Hz frequency, step motor with 2 poles, trimmer condenser regulation), calendar and day/date display functions, and assembly notes for fourth wheel, center minute wheel with cannon pinion, and hour wheel variants.
Seiko Quartz Cal. 2628A Parts List and Technical Guide
Parts list and technical documentation for Seiko Quartz movement Cal. 2628A. Includes exploded views of watch components, detailed parts numbering, mechanical and electronic circuit specifications, disassembly and reassembly procedures, lubrication requirements, and checking/adjustment procedures. Movement features two-hand time indication with small second hand, trimmer condenser regulation system, and step motor with 2 poles driving mechanism.
Seiko Quartz Cal. 2633A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz caliber 2633A movement. Includes specifications, detailed disassembly and reassembly procedures for calendar and setting mechanism, electronic circuit and gear train, checking and adjustment procedures with guide tables. Features exploded views, component diagrams, and parts catalog with 50+ individual component references. Covers lubrication points, functional adjustments, reset and second setting conditions, accuracy testing, and battery life indicator checks.
Seiko Quartz Cal. 2633A Technical Guide and Parts List
Technical guide and parts list for Seiko Quartz Cal. 2633A watch movement. Includes detailed specifications, disassembly and reassembly procedures for calendar and setting mechanism, electronic circuit and gear train mechanism, checking and adjustment procedures with troubleshooting flowchart, lubrication recommendations, and complete illustrated parts diagram with part numbers.
Seiko Quartz Cal. 2639A Parts List
Parts list and technical specifications for Seiko Quartz movement Cal. 2639A. Includes component diagrams, part numbers, and assembly references. Features 32.768 Hz crystal oscillator, step motor system, and trimmer condenser regulation. Contains date dial variants and battery specifications.
Seiko Quartz Cal. 2661A Parts List
Parts list and technical specifications for Seiko Quartz caliber 2661A. Includes component diagrams, part numbers, characteristics (17.6mm case diameter, 32.768Hz crystal oscillator, step motor system), and combination guide for fourth wheel, center minute wheel, and hour wheel variants.
Seiko Quartz Cal. 2A Series Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 2A series movements (2A22, 2A23, 2A27, 2A29). Includes illustrated parts diagrams, part numbers, and component references for train wheels, escapement, dial components, and circuit blocks. Reference guide for identifying and sourcing replacement parts.
Seiko Quartz Cal. 2A22A/2A23A/2A29A/2A32A Technical Guide
Technical service manual for Seiko quartz watch movements. Contains specifications, circuit block structure, disassembly and reassembly procedures with lubrication guidance, detailed checking and adjustment procedures, and case disassembly instructions for the 2A22A diver's watch. Includes parts identification, gear train mechanism details, and battery replacement periodic check schedule.
Seiko Quartz Cal. 2A24A 2A54A Technical Guide
Technical guide for Seiko Quartz movements Cal. 2A24A and Cal. 2A54A. Includes specifications, list of screws with part numbers, disassembly and reassembly procedures with numbered diagrams, lubrication instructions, and component identification for both calibers. Cal. 2A24A features lunar calendar function, train wheel setting device, electronic circuit reset switch and battery life indicator. Cal. 2A54A adds calendar (date) function. Both use step motor driving system with trimmer condenser regulation.
Seiko Quartz Cal. 2A32A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 2A32A. Includes illustrated parts diagram with component reference numbers, detailed parts list with specifications (casing diameter 20.0 mm, 32.768 Hz oscillator frequency, step motor 2 poles), characteristics, and assembly notes. Contains multiple wheel types and date calendar components with variant configurations.
Seiko Quartz Cal. 2C20A, 2C21A Parts Catalogue
Parts catalogue for Seiko Quartz movements Cal. 2C20A and 2C21A, featuring detailed exploded views of watch components, numbered parts listings, and technical specifications. Includes illustrations of train wheels, gear assemblies, circuit blocks, and various mechanical and electronic components. Supplemented by a technical guide covering disassembly, reassembly, lubrication procedures, and checking and adjustment protocols for movement parameters including output signal, battery voltage, reset condition, and accuracy.
Seiko Quartz Cal. 2E20A Technical Guide and Parts Catalogue
Technical service manual for Seiko Quartz movement caliber 2E20A. Includes specifications, circuit block structure, disassembly and reassembly procedures with lubrication guidelines, and checking and adjustment procedures. Contains detailed diagrams of mechanical components, parts list with reference numbers, and procedures for hands setting, battery clamp installation, coil block work, and step rotor assembly. Covers output signal verification, battery testing, gear train inspection, and accuracy adjustment using the regulating switch lever.
Seiko Quartz Cal. 2G28A, 2G38A Parts Catalogue
Parts catalogue and technical guide for Seiko Quartz movements Cal. 2G28A and Cal. 2G38A. Includes illustrated parts breakdown with part numbers, specifications (casing diameter 17.8mm and 15.1mm respectively, 32,768 Hz oscillator frequency, step motor driving system), disassembly and reassembly procedures, lubrication instructions, and checking and adjustment procedures for coil block and current consumption.
Seiko Quartz Cal. 3421A & 3423A Technical Guide
Technical service manual for Seiko Quartz movements Cal. 3421A and Cal. 3423A. Covers specifications, circuit block structure, disassembly and reassembly procedures for calendar mechanism, circuit block, coil block and gear train. Includes lubrication guidelines, adjustment procedures for output signal, battery voltage and conductivity, coil block resistance, reset and second setting conditions, gear train mechanism, setting and calendar mechanism, accuracy, current consumption, water resistance, and appearance checks.
Seiko Quartz Cal. 3421A Parts List
Parts list and characteristics for Seiko Quartz caliber 3421A. Includes component diagrams, part numbers, and technical specifications. Casing diameter 17.8 mm, quartz crystal oscillator 32,768 Hz, step motor driving system with trimmer condenser regulation. Two dial variants documented with different center wheel and pinion combinations.
Seiko Quartz Cal. 3423A Parts List
Parts list for Seiko Quartz movement Cal. 3423A. Includes component illustrations with part numbers, characteristics specifications (18.0 mm case diameter, 32,768 Hz frequency quartz crystal oscillator, step motor driving system, trimmer condenser regulation), and detailed parts table with names and references.
Seiko Quartz Cal. 3803A & 3823A Technical Guide
Complete technical documentation for Seiko Quartz caliber 3803A and 3823A movements. Includes specifications, functional description of crystal oscillator, electronic circuit, step motor mechanism, gear train, calendar system, and case construction. Contains parts list with supplement information on circuit block replacement with trimmer condenser (December 1978). Features detailed diagrams of mechanical and electronic sections, discernment marks for circuit blocks, and remarks on parts replacement and regulation system adjustments.
Seiko Quartz Cal. 3863A & 3819A Parts List
Parts list and technical documentation for Seiko Quartz caliber 3863A (5 jewels, Quartz 3003 model) and caliber 3819A (7 jewels, Quartz 2002 dual-zone timer model). Includes detailed parts diagrams with part numbers, characteristics specifications, and assembly notes. Contains exploded views of components, regulation system information, and remarks on part selection for various case and dial configurations.
Seiko Quartz Cal. 4110A & 4100A Technical Guide
Technical service guide for Seiko Quartz movements Cal. 4110A and Cal. 4100A. Contains specifications, movement structure diagrams, disassembly and reassembly procedures with lubrication points, cleaning instructions for electronic parts, detailed checking and adjustment procedures including output signal verification, battery testing, circuit block diagnostics, coil block inspection, and time accuracy testing procedures.
Seiko Quartz Cal. 4325A Parts List
Parts list and technical specifications for Seiko Quartz movement Cal. 4325A. Includes exploded views of the movement, detailed parts breakdown with part numbers, characteristics (18.00mm casing diameter, 4.1mm height, 2 jewels, 32.768 Hz quartz crystal oscillator, step motor driving system with trimmer condenser regulation), setting lever variations, date dial options, and assembly notes. Complete reference for watchmakers and parts identification.
Seiko Quartz Cal. 4326A Parts List
Parts list with illustrated exploded views for Seiko Quartz movement Cal. 4326A. Includes component diagrams, part numbers, and technical characteristics. Features calendar function, day & date display, step motor system, and quartz crystal oscillator at 32.768 Hz.
Seiko Quartz Cal. 4336A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz Cal. 4336A watch movement. Includes specifications, calendar mechanism with day and date functions, disassembly and reassembly procedures for the case, detailed exploded views of the calendar mechanism and electronic circuit components, step-by-step lubrication and cleaning instructions, and comprehensive checking and adjustment procedures. Features 32,768 Hz quartz crystal oscillator, step motor system with trimmer condenser regulation, battery life indicator with second hand movement, and silver oxide battery power supply for approximately 5 years of operation.
Seiko Quartz Cal. 5420A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Quartz Cal. 5420A movement. Includes numbered parts diagrams showing train wheel bridge, center wheel, pinion, winding stem, minute wheel, hour wheel, step rotor, circuit block components, battery connections, and regulating switch lever. Technical specifications cover case diameter 13.0 x 15.1 mm, 2 jewels, 32.768 Hz quartz crystal oscillator, and 2-pole step motor. Detailed disassembly and reassembly procedures with lubrication charts, time accuracy adjustment instructions using regulating switch lever, circuit block structure diagrams, and comprehensive checking and adjustment procedures including output signal verification, battery voltage testing, coil block conductivity, and current consumption measurement.
Seiko Quartz Cal. 5420A Technical Guide
Technical guide for Seiko Quartz Cal. 5420A watch movement. Includes specifications (32,768 Hz oscillator, 2-jewel movement, step motor drive), complete parts catalog with numbered illustrations, circuit block structure, time accuracy adjustment procedures, disassembly and reassembly instructions with lubrication specifications, and checking/adjustment procedures for output signal, battery, coil block, reset condition, and accuracy. Contains detailed exploded views and component reference guide.
Seiko Quartz Cal. 5930A Parts List
Parts list and technical documentation for Seiko Quartz Cal. 5930A movement. Includes detailed parts catalog with reference numbers, component photographs, exploded views, and technical characteristics (22.0 mm casing diameter, 1.9 mm height, 6 jewels, 32,768 Hz quartz crystal oscillator, step motor 2-pole driving system, rotary step switch regulation). Features multiple minute wheel configurations with silver and gold-plated options.
Seiko Quartz Cal. 5931A Parts List and Technical Guide
Comprehensive technical documentation for Seiko Quartz caliber 5931A. Includes detailed parts list with exploded diagrams showing all mechanical components. Technical guide covers specifications, features, load-compensated drive pulse system for step motor, rotary step switch with adjustable frequency divider circuit, disassembly and reassembly procedures for case and movement, lubrication instructions, and checking/adjustment procedures. Crystal oscillator frequency 32,768 Hz, step motor system (2 poles), rotary step switch regulation, silver oxide battery SEIKO TR721SW or SB-DK. Battery life approximately 2 years. Contains remarks on part combinations and anti-magnetic shield plate information.
Seiko Quartz Cal. 5931A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz movement Cal. 5931A. Includes parts list with numbered components and exploded views, detailed disassembly and reassembly procedures for case and movement, lubrication specifications, electronic circuit diagrams, gear train and setting mechanism, checking and adjustment procedures with measurement methods. Features load-compensated drive pulse system and rotary step switch with adjustable frequency divider circuit. Covers time accuracy adjustment using rotary switches, battery specifications, and maintenance instructions.
Seiko Quartz Cal. 5932A Parts List
Parts list with exploded views for Seiko Quartz caliber 5932A movement. Includes numbered components such as wheels, pinions, levers, springs, jewels, screws, dial guard, date mechanism, and circuit block. Technical specifications: 22.0 mm casing diameter, 32,768 Hz quartz oscillator, step motor drive system, rotary regulator, calendar with instant setting. Special notes on fourth wheel combinations, winding stem variants, date dial types, holding ring options, crystal unit cushion, and battery specifications.
Seiko Quartz Cal. 5933A Parts List and Assembly Guide
Complete parts list for Seiko Quartz movement Cal. 5933A with exploded views of all components. Includes 6 jewels, 32,768 Hz quartz crystal oscillator, step motor system with rotary step switch, calendar function with day and date, and battery life indicator. Technical specifications detail casing diameter of 22.0 mm and maximum height of 2.4 mm. Comprehensive numbering system for all parts with detailed assembly notes covering fourth wheel options, winding stem types, date dial variations, and crystal unit cushion specifications.
Seiko Quartz Cal. 5C20A, 5C23A Parts Catalogue
Parts catalogue and technical guide for Seiko Quartz movements Cal. 5C20A and Cal. 5C23A. Includes exploded view diagrams with numbered components, specifications (32,768 Hz oscillator frequency, step motor drive, rotary step switch regulation), characteristics comparison table, hand installation procedures, disassembly and reassembly instructions for setting mechanism, gear train, and coil block. Covers checking and adjustment procedures including accuracy verification, battery voltage testing, current consumption measurement, and alarm system verification. Lists battery specifications (SEIKO TR721W, Maxell SR721W, 1.55V). Indexed parts list with part numbers.
Seiko Quartz Cal. 6020A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz Cal. 6020A movement. Includes specifications, features, case back construction with bayonet closure instructions, disassembly and reassembly procedures with detailed diagrams, lubrication points and oil types, checking and adjustment procedures for output signal, battery voltage, circuit block conductivity, accuracy, current consumption. Parts list with identification numbers and component illustrations. Movement diameter 24.0mm, height 2.0mm without battery, 8 jewels, 32.768 Hz oscillator, step motor system with 2 poles, trimmer condenser regulation, Maxell SR920SW silver oxide battery.
Seiko Quartz Cal. 6020A Technical Guide and Parts List
Technical guide and parts list for Seiko Quartz Cal. 6020A movement. Includes specifications, features, case back construction with bayonet type details, disassembly and reassembly procedures for hands, circuit block, gear train mechanism, and checking and adjustment procedures. Contains diagrams for lubrication points, step rotor clearances, and center wheel bridge handling. Covers battery specifications (Maxell SR920SW, 1.55V, 3-year life), crystal oscillator frequency (32.768 kHz), and movement size (24.0mm casing diameter, 2.0mm height without battery). Eight jewels, step motor system with 10-second intervals.
Seiko Quartz Cal. 6030A Parts List
Parts list and exploded views for Seiko Quartz movement Cal. 6030A. Includes component illustrations with part numbers, specifications (24.0 mm case diameter, 2.0 mm height, 8 jewels, 32.768 Hz frequency), driving system details, regulation system information, and battery specifications. Contains remarks on wheel combinations for different dial types.
Seiko Quartz Cal. 6423A Parts List
Parts list with exploded views for Seiko Quartz caliber 6423A watch movement. Includes component illustrations, part numbers, and technical specifications. Features sections on center wheel and pinion, fourth wheel and pinion, hour wheel, day star with dial disk, date dial, holding ring for dial, tubes for day corrector and train wheel bridge, and battery information. Calendar and date mechanism with instant setting device, day of week biannual change-over system, and battery life indicator with two-second interval second hand.
Seiko Quartz Cal. 6429A Parts List
Parts list with exploded views for Seiko Quartz movement Cal. 6429A. Includes component illustrations, part numbers, and technical characteristics: 24.0 mm casing diameter, 2.7 mm height, 7 jewels, 32.768 Hz quartz crystal oscillator, step motor, trimmer condenser regulation, calendar function with instant setting device. Battery specifications and tube references included.
Seiko Quartz Cal. 6430A Parts Catalog
Parts catalog and exploded views for Seiko Quartz movement Cal. 6430A. Includes component identification diagrams, detailed parts list with part numbers, technical specifications (24.0 mm casing diameter, 2.4 mm height, 7 jewels, 32.768 Hz frequency, step motor 2 poles, trimmer condenser regulation), battery information (Maxell SR1120SW, UCC 381, SEIKO TR1120SW, SEIKO SB-DS), and tube position reference illustrations.
Seiko Quartz Cal. 6430A Parts Catalogue
Parts catalogue for Seiko Quartz movement caliber 6430A. Contains exploded views of the movement, technical characteristics, and complete parts list with part numbers. Specifications include 24.0 mm casing diameter, 2.4 mm maximum height, 7 jewels, 32.768 Hz quartz oscillator, step motor drive system, and trimmer condenser regulation. Lists battery options including Maxell SR1120SW and Seiko alternatives.
Seiko Quartz Cal. 6431A Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 6431A watch movement. Contains characteristics, parts listing with identification numbers, and an illustrated parts diagram showing component positions and assembly details.
Seiko Quartz Cal. 6432A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 6432A. Includes illustrated parts breakdown with numbered components, characteristics (24mm case diameter, 2.7mm height, 7 jewels, 32,768 Hz oscillator frequency, step motor drive, trimmer condenser regulation), and detailed parts list with part numbers and descriptions. Contains information on date dial variations, holding rings, circuit block tubes, train wheel bridge tubes, and battery specifications (Maxell SR1120SW, UCC 381, SEIKO TR1120SW, SEIKO SB-DS).
Seiko Quartz Cal. 6433A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 6433A. Contains technical specifications, complete illustrated parts list with part numbers, and assembly details. Includes information on dial variants, date mechanisms, battery options, and component positioning. Document dated 81.6, printed in Japan.
Seiko Quartz Cal. 6439A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 6439A. Includes illustrated parts diagrams with part numbers, characteristics (24.0 mm casing diameter, 2.7 mm maximum height, 7 jewels, 32.768 Hz quartz crystal oscillator, step motor 2 poles, trimmer condenser regulation), detailed parts list with 100+ components including wheels, bridges, screws, springs, jewels, and circuit block elements. Also features date dial variations (models 801 522-527) and battery specifications (Maxell SR1120SW, U.C.C. 381, SEIKO TR1120SW, SEIKO SR-DS).
Seiko Quartz Cal. 65 Series Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for Seiko Quartz Cal. 65 series movements (6530A, 6531A, 6532A, 6532B, 6533A, 6539A). Includes detailed exploded views of all movement components, complete parts list with part numbers, specifications, circuit block structure diagram, disassembly and reassembly procedures with lubrication guidelines, and checking and adjustment procedures for output signal, hand setting, battery voltage, conductivity, accuracy, current consumption, and water resistance.
Seiko Quartz Cal. 6922A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 6922A. Contains detailed parts list with reference numbers, exploded views of components including train wheels, calendar mechanism, date dial, circuit block, coil block, step rotor, battery connections, screws and jewels. Includes specifications: 22.0 x 21.7 mm casing diameter, 32,768 Hz quartz crystal oscillator, step rotor drive system with trimmer condenser regulation.
Seiko Quartz Cal. 6922A/6923A Technical Guide
Technical service manual for Seiko Quartz movements Cal. 6922A and Cal. 6923A. Covers specifications, circuit block structure, disassembly and reassembly procedures with numbered component diagrams, lubrication instructions, and comprehensive checking and adjustment procedures including output signal verification, battery testing, coil block resistance, gear train mechanism, accuracy checks, and current consumption testing.
Seiko Quartz Cal. 6923A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 6923A. Includes exploded view diagrams showing case, dial, hands, movement components and screws with part numbers. Technical specifications: 22.0 x 21.7 mm case diameter, 2.5 mm height without battery, 2 jewels, 32.768 Hz quartz crystal oscillator, step motor drive system, calendar function with day and date display. Detailed parts list with all component references. Notes on day star dial disk, fourth wheel and pinion variants, date dial options, holding rings, and battery specifications.
Seiko Quartz Cal. 7122A Parts List
Parts list and exploded views for Seiko Quartz caliber 7122A wristwatch movement. Includes component reference numbers, technical characteristics (26.0 mm casing diameter, 3.3 jewels, 32.768 Hz quartz oscillator frequency), and detailed remarks on fourth wheel and pinion variations, lever for unlocking stem, date dial specifications, holding ring for dial, and battery information (Maxell SR1130SW, SEIKO SR1130SW, SEIKO SB-AU).
Seiko Quartz Cal. 7123A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz caliber 7123A. Includes specifications, disassembly and reassembly procedures for calendar mechanism, electronic circuit, and gear train with second setting mechanism. Parts list with numbered diagrams showing all components. Covers lubrication points, checking and adjustment procedures with detailed flowcharts for troubleshooting. Features 32,768 Hz quartz crystal oscillator, step motor system with 2 poles, trimmer condenser regulation, and silver oxide battery (Maxell SR1130SW). Bilingual day-of-week changeover system with instant setting device.
Seiko Quartz Cal. 7123A Technical Guide and Parts List
Complete technical guide for Seiko Quartz movement Cal. 7123A. Includes specifications, disassembly and reassembly procedures for calendar mechanism, electronic circuit and gear train. Features exploded parts diagram with numbered components, lubrication instructions, and detailed checking and adjustment procedures with flowcharts. Covers 3-hand time indication, calendar display with bilingual day changeover, second setting device, and battery life indicator. 32,768 Hz quartz crystal oscillator with step motor driving system.
Seiko Quartz Cal. 7126A Technical Guide
Complete technical documentation for Seiko Quartz movement Cal. 7126A. Includes specifications, circuit block structure, time differential adjusting device, disassembly and reassembly procedures with lubrication charts, and checking and adjustment procedures. Features detailed mechanical diagrams with numbered parts, electronic circuit layout, and gear train information. Contains parts list with 80+ component references and assembly illustrations.
Seiko Quartz Cal. 7223A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz Cal. 7223A movement. Includes detailed specifications, circuit block structure, crown operation instructions, disassembly and reassembly procedures with annotated diagrams, electronic circuit information, gear train mechanism details, and comprehensive parts list with part numbers and technical illustrations. Features alarm mechanism, day/date calendar system, and setting procedures. Covers lubrication requirements and adjustment checks.
Seiko Quartz Cal. 7320A 7321A Technical Guide
Technical guide for Seiko quartz movements Cal. 7320A and Cal. 7321A. Covers specifications, circuit block structure, disassembly and reassembly procedures for hand setting mechanism and clutch wheel regulation. Includes checking and adjustment procedures for output signal, battery voltage, conductivity, coil block, reset and train wheel settings, accuracy calibration, and current consumption. Features detailed exploded diagrams and component identification.
Seiko Quartz Cal. 7430A Parts Catalogue
Parts list and exploded views for Seiko Quartz movement Cal. 7430A. Includes component identification, part numbers, and technical characteristics (32.768 Hz crystal oscillator, step motor with 2 poles, trimmer condenser regulation system). Reference guide for all internal components with technical notes on winding stems, lower end-piece screw for third wheel, and battery specifications.
Seiko Quartz Cal. 7430A, 7431A, 7439A Technical Guide
Technical service guide for Seiko quartz watch movements Cal. 7430A, 7431A, and 7439A. Includes specifications for time indication variants (2 or 3 hands, with optional date and calendar mechanisms), circuit block structure diagrams, disassembly and reassembly procedures with numbered component illustrations, lubrication specifications, and comprehensive checking and adjustment procedures covering output signal, hand setting, battery voltage and conductivity, coil block resistance, gear train mechanism, setting mechanism, reset and train wheel positioning, accuracy, current consumption, water resistance, and battery life indicator.
Seiko Quartz Cal. 7431A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 7431A. Contains detailed parts list with numbered references, exploded views of movement components including fourth wheel, minute wheel, hour wheel, clutch wheel, winding stem, and dial assembly. Includes characteristics: 22.0 mm casing diameter, 32.768 Hz crystal oscillator frequency, step motor driving system, trimmer condenser regulation. Battery information references SEIKO TR721SW silver oxide battery. Technical specifications and remarks on wheel combinations and component variations provided.
Seiko Quartz Cal. 7432A Parts Catalogue
Parts catalogue for Seiko Quartz caliber 7432A. Contains watch characteristics, illustrated parts diagram with numbered components, and detailed part numbers list. Covers train wheel bridge, calendar plate, third wheel, fourth wheel, minute wheel, hour wheel, clutch wheel, winding stem, dial, date driving mechanism, holding ring, circuit block, step rotor, battery connections, and screws. Includes specifications for 32.768 Hz quartz oscillator with 2-jewel movement and step motor drive system.
Seiko Quartz Cal. 7433A Parts Catalog
Parts catalog for Seiko Quartz Cal. 7433A watch movement. Includes illustrated parts breakdown showing dial, hands, wheels, springs, screws, and electronic components. Features characteristics listing casing diameter 22.0 mm, 2 jewels, 32,768 Hz quartz crystal oscillator, step motor drive system, calendar and day-date display functions. Complete parts list with part numbers and technical specifications. Contains notes on day star dial disk combinations, fourth wheel and pinion types, winding stem reference, date dial options, and battery information.
Seiko Quartz Cal. 7433A Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 7433A movement. Includes illustrated parts breakdown with part numbers, characteristics (22.0 mm casing diameter, 2 jewels, 32.768 Hz quartz crystal oscillator, step motor 2-poles, calendar and date functions), and detailed remarks on dial variants, wheel assemblies, winding stem, date dial options, and battery specifications (SEIKO TR721SW).
Seiko Quartz Cal. 7434A Parts Catalogue
Parts catalogue for the Seiko Quartz Cal. 7434A movement with lunar calendar function. Includes exploded diagrams showing all components, part numbering system, specifications (22.0 x 21.7 mm case diameter, 3.6 mm height), and list of all screws used. Features step motor driving system, trimmer condenser regulation, calendar and lunar calendar functions, electronic circuit reset switch, and battery life indicator. Technical guide section covers disassembly and reassembly procedures for the lunar calendar mechanism with lubrication specifications. Battery: SEIKO TR721SW (1.55V, approximately 3 years life). Jewels: 2.
Seiko Quartz Cal. 7439A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 7439A. Contains characteristics, exploded views with part numbers, and complete parts list with specifications. Includes train wheel bridge, calendar plate, hour wheel, clutch wheel, setting lever, date dial, circuit block, coil block, step rotor, battery connection insulators, crystal unit cushion, screws and tubes. Quartz frequency 32.768 Hz, 2 jewels, step motor driving system with trimmer condenser regulation.
Seiko Quartz Cal. 7518A and 7918A Technical Guide
Technical guide for Seiko quartz movements Cal. 7518A and Cal. 7918A. Covers specifications, features, parts differences from earlier models, disassembly, reassembly and lubrication procedures for dial and setting mechanism. Includes parts lists, mechanical diagrams and assembly instructions with detailed illustrations.
Seiko Quartz Cal. 7518A Parts List
Parts list with exploded views for Seiko Quartz movement caliber 7518A. Includes component illustrations, part numbers, and characteristics of the movement (27.0 mm diameter casing, 4.5 mm maximum height without battery, 4 jewels, 32.768 kHz quartz crystal oscillator, step motor driving system, trimmer condenser regulation system).
Seiko Quartz Cal. 7545A Parts List
Parts list with exploded views for the Seiko Quartz Cal. 7545A movement. Includes component identification, part numbers, and detailed illustrations of all mechanical and electronic components. Features calendar function, step motor system, and trimmer condenser regulation.
Seiko Quartz Cal. 7546A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz caliber 7546A. Includes detailed parts list with exploded views, specifications, movement structure diagrams, functioning principles of electronic circuit block and mechanical portion, oscillator regulation device details, step motor operation, second setting and reset switch mechanisms, and case construction types. Technical guide covers assembly, lubrication, cleaning, and adjustment procedures with comprehensive checking and troubleshooting sections.
Seiko Quartz Cal. 7548A Parts List
Parts list and exploded diagram for Seiko Quartz movement Cal. 7548A. Includes identification of all components with part numbers, characteristics, and assembly details. Features day and date calendar mechanism with step motor driving system.
Seiko Quartz Cal. 7549A Parts List
Parts list and exploded views for Seiko Quartz movement Cal. 7549A. Includes jewels, gears, bridges, levers, rotors, date wheel components, and spring specifications. References for calendar day and date functions with step motor system. Complete parts catalog with numbered components and assembly details.
Seiko Quartz Cal. 7549A, 7548A Technical Guide
Technical service manual for Seiko Quartz diver's watches Cal. 7549A and 7548A models. Covers specifications, battery change and periodic check system, disassembly and reassembly procedures for case components (600m, 300m, and 150m models), movement maintenance, calendar mechanism, circuit block and coil block, setting mechanism, and checking/adjustment procedures. Includes lubrication marks, parts diagrams, and periodic check schedules.
Seiko Quartz Cal. 7559A Parts List and Technical Guide
Complete parts list and technical documentation for Seiko Quartz Cal. 7559A watch movement. Includes detailed exploded views of mechanical components, date and day mechanism parts, illuminating light assembly, circuit blocks, and step motor system. Features specifications, assembly procedures, disassembly instructions for the illuminating light bulb unit, and checking/adjustment procedures for light function and bulb terminals. Battery information: Maxell SR43SW or U.C.C. 301. Technical guide covers bulb unit replacement, bulb lead unit assembly, and troubleshooting procedures with detailed illustrations.
Seiko Quartz Cal. 7812A Parts List
Parts list with exploded views and component diagrams for the Seiko Quartz movement Cal. 7812A. Includes part numbers, component names, and technical characteristics. Quartz crystal oscillator frequency: 32,768 Hz. Step motor driving system with trimmer condenser regulation. Specifications cover casing diameter (23.3 mm), maximum height (3.4 mm without battery), 5 jewels, and battery life indicator.
Seiko Quartz Cal. 7813A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz caliber 7813A. Includes detailed parts list with exploded views, technical specifications (32.768 Hz crystal oscillator, step motor system, 5 jewels), movement structure diagrams, functioning principles of electronic circuit block and mechanical portion, instructions for time and calendar setting, case construction details (snap and square types), and comprehensive checking and adjustment procedures. Features sections on battery replacement, disassembly, lubrication, and cleaning.
Seiko Quartz Cal. 7903A Technical Guide & Parts List
Technical guide and parts list for the Seiko Quartz Cal. 7903A ladies watch movement. Includes specifications (32.768 Hz oscillator, step motor system, trimmer condenser regulation), exploded diagrams of the calendar mechanism, circuit block, coil block and gear train, setting mechanism, and detailed disassembly/reassembly procedures with lubrication tables. Comprehensive checking and adjustment procedures covering output signal, battery voltage, electronic circuit block, coil block, accuracy and current consumption. Parts list with numbered references and internal component illustrations.
Seiko Quartz Cal. 7918A Parts List
Parts list and exploded view for Seiko Quartz movement Cal. 7918A. Includes component diagrams, part numbers, and detailed listing of all mechanical and electrical components. Casing diameter 18.0 mm, 7 jewels, 32,768 Hz quartz crystal oscillator, step motor with 2 poles, trimmer condenser regulation system.
Seiko Quartz Cal. 7A07A Technical Guide and Parts Catalog
Technical guide and parts catalog for Seiko Quartz movement Cal. 7A07A. Contains detailed specifications, parts list with exploded views, disassembly and reassembly procedures, lubrication instructions, and checking/adjustment procedures. Covers case handling, movement components, chronograph functions, and battery replacement. Includes setting position charts for gear train mechanism and detailed assembly diagrams.
Seiko Quartz Cal. 7A28A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Quartz movement calibre 7A28A. Includes exploded views of all components, detailed parts listing with reference numbers, specifications, circuit block diagram, disassembly and reassembly procedures with lubrication instructions, designation and operation of functions, and checking and adjustment procedures. Features chronograph function with 5/100 second counting capability, step motor driving system, rotary step switch regulation, and battery life indicator.
Seiko Quartz Cal. 7A38A Parts Catalog and Technical Guide
Complete parts catalog and technical service manual for Seiko Quartz caliber 7A38A chronograph watch movement. Includes detailed exploded diagrams of all components, comprehensive parts list with numbered references, specifications (29.0 mm diameter, 4.6 mm height, 15 jewels), designation and operation instructions, disassembly and reassembly procedures, lubrication points, and setting procedures for the step rotor and gear train. Features chronograph functions with separate minute and second bridges, day and date calendar, and battery information (Maxell SR936SW, 1.55V, approximately 2 years life).
Seiko Quartz Cal. 7A48A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko Quartz movement Cal. 7A48A. Includes specifications, calendar and moon phase mechanisms, disassembly and reassembly procedures, lubrication instructions, and detailed checking and adjustment procedures. Features exploded diagrams of all components, part numbering system, calendar mechanism details, and moon phase indicator adjustment instructions.
Seiko Quartz Cal. 8122A and 8123A Technical Guide
Technical guide for Seiko quartz movements Cal. 8122A and Cal. 8123A. Covers specifications, circuit block structure, load-compensating driving pulse system, complete disassembly and reassembly procedures with numbered parts identification, lubrication instructions, and detailed checking and adjustment procedures including output signal verification, hand setting, battery voltage and conductivity tests, coil block testing, gear train mechanism inspection, accuracy adjustment, current consumption measurement, and switch component conductivity checks.
Seiko Quartz Cal. 8122A Parts Catalog
Parts catalog for Seiko Quartz caliber 8122A. Contains characteristic specifications, exploded views of movement components, and detailed parts list with part numbers. Includes information on date dial variants, holding ring options, battery connection tubes, and battery specifications.
Seiko Quartz Cal. 8222A/8223A/8229A Technical Guide
Technical service manual for Seiko Quartz movements 8222A, 8223A and 8229A (water resistant 10 atm). Includes specifications, circuit block structure, detailed disassembly and reassembly procedures for calendar mechanism, dial side parts, circuit block, coil block and gear train. Contains lubrication instructions, checking and adjustment procedures for output signal, hand setting, battery voltage and conductivity, reset condition, gear train mechanism, setting mechanism, calendar mechanism, accuracy, current consumption, water resistance and appearance.
Seiko Quartz Cal. 8223A Parts List
Parts list and technical specifications for Seiko Quartz movement caliber 8223A. Includes exploded view diagrams, component identification, characteristic specifications (32.768 Hz frequency, step motor system, trimmer condenser regulation), and detailed part numbers for all movement components.
Seiko Quartz Cal. 8229A Parts List
Parts list and technical specifications for Seiko Quartz movement Cal. 8229A. Includes illustrated parts diagram with numbered components, characteristics (24.0mm casing diameter, 3.8mm height without battery, 4 jewels, 32.768 Hz frequency, step motor system, trimmer condenser regulation, calendar with day and date display, bilingual day-of-week changeover system), and detailed part nomenclature with part numbers. Note on stem replacement with crown and remarks on date dial, date corrector, third wheel bridge tubes, and battery specifications (U.C.C. 394 or Maxell SR936SW).
Seiko Quartz Cal. 8522A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 8522A with date function. Includes exploded view diagrams, part numbers, and detailed characteristics. Features step motor driving system, trimmer condenser regulation, and four different combinations of fourth wheel, center minute wheel, and hour wheel assemblies with gold or silver finishes.
Seiko Quartz Cal. 8522A/8523A Technical Service Guide
Technical service manual for Seiko Quartz caliber 8522A and 8523A movements. Covers specifications, circuit block structure, disassembly and reassembly procedures, lubrication, calendar and setting mechanism, and checking and adjustment procedures including output signal verification, battery voltage testing, conductivity checks, reset and train wheel setting conditions, coil block testing, current consumption measurement, and accuracy verification.
Seiko Quartz Cal. 8523A Parts Catalogue
Parts catalogue for Seiko Quartz movement caliber 8523A. Contains technical characteristics, exploded views of components, part numbers with descriptions, and specifications for train wheels, calendar mechanism, battery indicator system, and various screws and springs. Includes combination variations for fourth wheel, center minute wheel, and hour wheel assemblies.
Seiko Quartz Cal. 8620A Parts Catalogue
Parts catalogue for Seiko Quartz Cal. 8620A movement. Includes exploded views and part numbers for all components: casing (16.4 × 15.3 mm), wheels, pinions, circuit block, coil, rotor, battery, jewels, screws, and tubes. Technical specifications: 32,768 Hz quartz crystal oscillator, step motor (2 poles), trimmer condenser regulation. Two type combinations (a and b) shown for center wheel, cannon pinion, and hour wheel assemblies. Battery options listed: SEIKO TR621SW, SEIKO SB-DG, Maxell SR621SW, Toshiba SR621SW.
Seiko Quartz Cal. 8620A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 8620A. Includes exploded views of movement components, part numbering, characteristics (16.4 x 15.3 mm casing, 32,768 Hz quartz crystal, step motor with 2 poles, trimmer condenser regulation), and detailed parts list with identification numbers. Contains information on two types of center wheel and cannon pinion combinations, and battery specifications (SEIKO TR621SW, SEIKO SB-DG, Maxell SR621SW, Toshiba SR621SW).
Seiko Quartz Cal. 8621A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 8621A. Contains technical specifications (18.4 x 15.3 mm casing, 32,768 Hz frequency, 2 jewels), exploded view diagrams of all movement components, and complete numbered parts list with part numbers. Includes details on wheel settings, battery options (SEIKO TR621SW, SH-OG, Maxell SR621SW, Toshiba SR621SW), and assembly notes.
Seiko Quartz Cal. 8621A/8620A Technical Guide
Technical guide for Seiko Quartz movements Cal. 8621A and Cal. 8620A. Covers specifications, circuit block structure, disassembly and reassembly procedures with detailed illustrations, lubrication instructions, and checking/adjustment procedures including output signal verification, battery voltage and conductivity checks, coil block testing, reset and train wheel settings, accuracy measurement, and current consumption analysis.
Seiko Quartz Cal. 8A20A/8A21A Stopwatch Technical Guide
Technical guide and parts catalogue for Seiko quartz stopwatch calibers 8A20A and 8A21A. Includes specifications, circuit block structure, display functions with battery check and hand adjustment procedures, disassembly and reassembly instructions for case and movement with lubrication specifications, detailed exploded views with part numbers for train wheels, bridges, rotors, coils blocks, and accessories. Battery: SR44W 1.55V.
Seiko Quartz Cal. 8C22A, 8C23A Parts Catalogue
Complete parts catalogue and technical guide for Seiko Quartz movements Cal. 8C22A and 8C23A. Includes specifications, parts list with numbered diagrams, circuit block structure, disassembly and reassembly procedures with lubrication instructions. Features detailed assembly diagrams for date mechanisms, train wheel settings, and electrical components.
Seiko Quartz Cal. 9020, 9021, 9029 Technical Guide
Technical guide and parts catalogue for Seiko quartz watch movements Cal. 9020, 9021, and 9029. Includes specifications, circuit block structure, disassembly and reassembly procedures with lubrication instructions, and comprehensive checking and adjustment procedures. Features exploded diagrams of movement components, parts lists with numbered references, and calibration instructions for accuracy adjustment.
Seiko Quartz Cal. 9022A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. 9022A. Includes illustrated parts diagrams with numbered references, comprehensive parts list with part numbers and descriptions, technical specifications (23.3mm casing diameter, 2.2mm height, 5 jewels, 32,768 Hz quartz oscillator, step motor 2-pole driving system), and remarks on component variations and assembly details.
Seiko Quartz Cal. 93A Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko Quartz caliber 93A. Includes complete parts list with identification numbers, exploded views of movement components, specifications (32.768 kHz quartz oscillator, step motor system, rotary step switch regulation), assembly and disassembly procedures with lubrication instructions, and checking/adjustment procedures. Features detailed illustrations of center wheels, hour wheels, setting mechanism, circuit block, and rotor stator. Battery: Maxell SR916SW.
Seiko Quartz Cal. 9552A Parts Catalog
Parts catalog for Seiko Quartz movement Cal. 9552A. Contains illustrated parts breakdown with part numbers, characteristics of the movement (23.3 mm casing diameter, 32.768 Hz quartz crystal oscillator, step motor with 2 poles, rotary step switch regulation system), and detailed parts list with component names and specifications. Includes information on train wheel bridge, setting mechanism, circuit blocks, and battery options.
Seiko Quartz Cal. 9552A Parts Catalogue
Parts list and exploded views for Seiko Quartz movement Cal. 9552A. Includes component illustrations with part numbers, characteristics (23.3 mm casing diameter, 7 jewels, 32.768 Hz quartz oscillator, step motor with 2 poles, rotary step switch regulation), train wheel settings, calendar function, battery life indicator, and battery information (Maxell SR916SW or Seiko TR916SW). Remarks section covers holding ring specifications, date dial variations, tube positions for train wheel bridge, and battery notes.
Seiko Quartz Cal. 97 Series Technical Guide
Technical guide for Seiko Twin Quartz Cal. 97 Series watches. Covers specifications, disassembly and reassembly procedures with detailed mechanical diagrams of the calendar mechanism, electronic circuit, and gear train. Includes lubrication instructions, time accuracy adjustment procedures, and checking and adjustment tables. Features illustrated parts breakdown with 40 numbered components, battery information, and operating specifications.
Seiko Quartz Cal. 9721A Parts List
Parts list with exploded views for Seiko Quartz movement Cal. 9721A. Includes complete parts numbering, characteristics (26.0 mm casing diameter, 2 jewels, 32,768 Hz quartz crystal, step motor system with 2 poles, trimmer condenser regulation), combination specifications for fourth wheel, center minute wheel, and hour wheel in gold and silver versions, lever for stem unlocking, holding ring for dial, and battery information.
Seiko Quartz Cal. 9723A Parts List and Technical Data
Parts list and exploded views for Seiko Quartz caliber 9723A. Includes component diagrams, part numbers, technical characteristics (26.0 mm case diameter, 32 mm height without battery, 2 jewels, 32,768 Hz frequency), and specifications for day/date calendar function. Contains detailed remarks on fourth wheel assembly options, stem lever, day star dial, date dial variations, holding ring selection, and battery specifications (Maxell SR1130SW, SEIKO SR1130SW, SEIKO SB-AU).
Seiko Quartz Cal. 9726A Parts Catalog
Parts catalog and technical guide for Seiko Quartz movement Cal. 9726A. Includes exploded views of components, detailed parts list with part numbers, specifications (26.0 x 23.7 mm case, 3.8 mm height without battery, 2 jewels, 32.768 Hz oscillator), and technical checking and adjustment procedures for accuracy, including time differential adjustment and battery information.
Seiko Quartz Cal. 9923A Technical Guide and Parts List
Technical guide and parts list for the Seiko Twin Quartz Cal. 9923A watch movement. Includes specifications, features, disassembly and reassembly procedures with lubrication diagrams, checking and adjustment procedures for output signal, battery voltage, conductivity, coil block, second setting condition, reset condition, and accuracy. Features detailed exploded view diagrams and assembly instructions for calendar mechanism, circuit block, coil block, gear train, setting mechanism, center wheel bridge, and winding stem.
Seiko Quartz Cal. H239A - Technical Service Manual
Complete technical guide for Seiko Quartz movement Cal. H239A. Covers specifications, circuit block structure, disassembly and reassembly procedures for case and water-resistant components, indicating mechanism details, electronic circuit and liquid crystal panel, gear train and switch mechanism, and comprehensive checking and adjustment procedures including battery voltage, output signal, coil block, current consumption, speaker block, and digital function verification. Includes parts list with numbered components and assembly illustrations.
Seiko Quartz Cal. H249A Parts List
Parts list and technical specifications for Seiko Quartz caliber H249A. Includes watch casing details (26.1 x 22.7 mm), movement specifications (32.768 Hz quartz crystal oscillator, 2 jewels), exploded views of internal components, comprehensive part numbering with descriptions, and remarks on center wheel/pinion combinations and liquid crystal panel color options. Features battery information (Seiko TR926W, Maxell SR926W, UCC 399).
Seiko Quartz Cal. H357A Technical Guide and Parts List
Complete technical documentation for the Seiko Quartz Cal. H357A watch movement. Includes specifications, circuit block structure, display functions (calendar, time, alarm, stopwatch), detailed disassembly and reassembly procedures for case and movement, lubrication instructions, and comprehensive checking and adjustment procedures. Features exploded diagrams, parts lists with part numbers, and technical remarks for jewel and battery specifications.
Seiko Quartz Cal. H448A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. H448A. Includes exploded view diagrams of the complete watch mechanism, detailed parts list with numbered components (casing, wheels, pinions, circuit block, battery connections, jewels, screws, LCD panel frame, and other internal components), technical specifications (24.3 x 23.0 mm casing diameter, 32.768 kHz quartz crystal oscillator, digital time and calendar display with alarm and stopwatch functions), and assembly notes regarding three different types of center minute wheel & cannon pinion combinations and hour wheel variations.
Seiko Quartz Cal. H556A Parts Catalogue
Parts catalogue for Seiko Quartz movement Cal. H556A. Includes illustrated parts diagram showing component layout, comprehensive part numbers list with names, and technical characteristics. Watch specifications: 23.6 x 26.0 mm case diameter, 5 mm height without battery, 32.768 Hz quartz crystal oscillator frequency, three-hand time indication with digital function, alarm display, time signal capability, tri-time function, step motor driving system, and rotary step switch regulation.
Seiko Quartz Cal. H557A Parts Catalogue
Parts catalogue for Seiko Quartz movement caliber H557A. Contains exploded views of the complete movement with numbered component references, characteristics specifications, and detailed parts list identifying all components including wheel bridges, jewels, coils, blocks, rotors, and electronic components. Includes remarks on liquid crystal panel color matching and battery specifications.
Seiko Quartz Cal. H558A Parts Catalogue
Parts catalogue for Seiko Quartz movement H558A. Contains exploded views of movement components, dial, hands, wheels, circuit blocks, and electronic components. Includes parts list with numbered references, characteristics specifications (28.0 mm casing diameter, 32,768 Hz oscillator frequency), and assembly diagrams showing all removable parts and subassemblies.
Seiko Quartz Cal.16A Technical Guide and Parts List
Technical manual for the Seiko Quartz Caliber 16A 5-jewel ladies watch movement. Contains detailed specifications, gear train mechanism explanation, time-setting procedures, disassembly and reassembly instructions with illustrations, lubrication guidelines, cleaning methods for electronic and mechanical components, and a comprehensive checking and adjustment guide. Includes parts list with numbered illustrations, circuit block and coil block diagrams, setting mechanism details, and troubleshooting flowchart. Operating temperature range -10°C to +60°C, 32,768 Hz quartz oscillator, step motor system with trimmer condenser regulation.
Seiko Quartz Cal.2B21A Technical Guide and Parts Catalogue
Technical guide and parts catalogue for Seiko Quartz Cal.2B21A movement. Includes specifications, circuit block structure, detailed disassembly and reassembly procedures for hands, battery clamp screw, and train wheel bridge screw. Contains lubrication guidelines, checking and adjustment procedures, cross-sectional views of gear train, and exploded diagrams showing all movement components and their part numbers.
Seiko Quartz Cal.3823A Parts List
Parts list and exploded views for Seiko Quartz caliber 3823A movement. Includes component diagrams, part numbers, and nomenclature. 7-jewel quartz movement with 16,384Hz frequency, calendar function with instant day and date setting, sweep second, micro-adjusting device, and temperature compensation.
Seiko Quartz Cal.4110A Parts List
Parts list and assembly diagrams for Seiko Quartz caliber 4110A. 2-jewel movement with 32,768 Hz quartz crystal oscillator, step motor driving system and trimmer condenser regulation. Includes detailed component identification, part numbers and exploded views of the movement.
Seiko Quartz Cal.4110B Parts List
Parts list and illustrated diagram for Seiko Quartz Cal.4110B 3-jewel movement. Includes casing specifications (19.4mm diameter, 3.8mm height), oscillator frequency (32.768 Hz), step motor driving system, and trimmer condenser regulation. Detailed parts with reference numbers and combination variations for hour wheel, cannon pinion, and center wheel assemblies.
Seiko Quartz Cal.4302A Parts List
Parts list and exploded view for Seiko Quartz movement caliber 4302A (2 jewels). Includes watch case specifications (18.00mm diameter, 4.11mm maximum height), oscillation frequency 32,768 Hz, step motor driving system with trimmer condenser regulation. Complete parts nomenclature with reference numbers and technical details for assembly and service.
Seiko Quartz Cal.4303A Parts List
Parts list and exploded views for Seiko Quartz caliber 4303A movement. Includes 2-jewel step motor quartz watch with calendar and date functions. Contains numbered part references, part names, and component illustrations. Technical specifications: 18.00mm case diameter, 32.768 Hz frequency, trimmer condenser regulation system with second-setting device.
Seiko Quartz Cal.4312A Parts List
Parts list and exploded views for Seiko Quartz caliber 4312A (2j jewels). Contains numbered component diagrams, part references, and assembly details for this 32,768 Hz quartz movement with step motor driving system.
Seiko Quartz Cal.43A Parts List and Technical Data
Parts list and technical specifications for Seiko Quartz movement Cal.43A (2 jewels). Includes detailed component illustrations with part numbers, movement characteristics (18.00 mm casing diameter, 3.58 mm height, 32.768 Hz frequency, step motor system 2-pole), and assembly diagrams. Contains remarks on holding rings, setting levers, and battery connection variants.
Seiko Quartz Cal.47A Parts List and Technical Guide
Parts list and technical service manual for Seiko Quartz caliber 47A movement. Contains detailed parts diagrams with reference numbers, specifications (32,768 Hz crystal oscillator, step motor system, trimmer condenser regulation), movement structure diagrams, functioning explanation of electronic circuit block and mechanical portion, disassembly and reassembly procedures with lubrication instructions, and checking and adjustment procedures including accuracy verification and current consumption measurement.
Seiko Quartz Cal.4826A Solar Powered Watch Technical Guide
Complete technical documentation for the Seiko Quartz Cal.4826A solar-powered quartz watch. Includes specifications, movement structure, solar cell functioning, electronic circuit block operation, step motor mechanics, time and calendar setting procedures, disassembly and reassembly instructions with lubrication points, and comprehensive checking and adjustment procedures. Features parts list with numbered components and exploded views.
Seiko Quartz Cal.6423A/6429A Technical Service Guide
Technical service guide for Seiko Quartz caliber 6423A and 6429A watches. Contents include specifications, circuit block structure, disassembly and reassembly procedures with lubrication instructions, calendar mechanism, circuit block and gear train details, setting mechanism, and comprehensive checking and adjustment procedures covering output signal, battery voltage and conductivity, coil block, reset conditions, train wheel settings, gear train mechanism, accuracy, current consumption, water resistance and appearance.
Seiko Quartz Cal.7810A Parts List
Parts list with exploded views for Seiko Quartz movement caliber 7810A (5 jewels). Includes part numbers and names for all components: wheels, bridges, pinions, levers, springs, circuit block, coil block, step rotor, dial washer, casing clamp, screws, jewels and silver oxide battery. 23.3mm case diameter, 32,768 Hz quartz crystal oscillator, step motor system with 2 poles, trimmer condenser regulation.
Seiko Quartz Cal.78A Parts List
Parts list for Seiko Quartz caliber 78A movement (5 jewels). Includes exploded views of the movement, component photographs, and complete part numbers for all mechanical and electrical components. Specifications: casing diameter 23.3 mm, maximum height 2.9 mm, quartz crystal oscillator frequency 32,768 Hz, step motor system (2 poles), trimmer condenser regulation system.
Seiko Quartz Caliber 7813A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz movement caliber 7813A. Includes specifications, movement structure, electronic circuit block details, mechanical portion operation, time and calendar setting instructions, case construction types (snap and square), battery information, and comprehensive illustrated parts list with part numbers. Features 32.768 Hz quartz crystal oscillator, step motor system, trimmer condenser regulation, and calendar with day/date display.
Seiko Quartz Calibre 43A & 4303A Technical Service Guide
Complete technical service manual for Seiko Quartz Calibre 43A and 4303A watches. Includes specifications, disassembly and reassembly procedures, lubrication guidelines, cleaning methods for electronic and mechanical components, calendar mechanism details, setting mechanism instructions, and comprehensive checking and adjustment procedures with troubleshooting flowcharts.
Seiko Quartz H249A H259A Technical Service Guide
Technical service manual for Seiko Quartz caliber H249A and H259A watches. Covers specifications, circuit block structure, disassembly and reassembly procedures with detailed mechanical diagrams, lubrication requirements, gear train and switch mechanism adjustment, liquid crystal panel electrode segment designation, and comprehensive checking and adjustment procedures including battery voltage, output signal, coil block conductivity, current consumption, speaker block testing, switch component verification, and functional adjustments for both digital and analoguewatch functions.
Seiko Quartz H556A H557A Technical Guide
Technical service manual for Seiko Quartz caliber H556A and H557A watches. Contains specifications, circuit block structure, disassembly and reassembly procedures with lubrication charts, movement module servicing with screw identification, liquid crystal panel electrode specifications, and checking and adjustment procedures including battery voltage, current consumption, water resistance, pattern segment checking, alarm test system, and gear train mechanism checks.
Seiko Quartz LC Cal. 0662A Parts List
Parts list and technical guide for Seiko Quartz LC Cal. 0662A digital watch. Includes part numbers and names for all components: setting lever, setting lever spring, circuit block, setting switch spring, battery guard, frame for liquid crystal panel, liquid crystal panel, reflecting mirror, spring for liquid crystal panel, and silver oxide battery. Features case construction diagram and panel/glass assembly variations. Case No. 0662-5009.
Seiko Quartz LC Cal.0124A Technical Service Manual
Complete technical guide for Seiko Quartz LC Cal.0124A digital watch movement. Includes specifications, functional outline, time and date setting procedures, disassembly and reassembly instructions for case, movement and switch components, cleaning procedures, checking and adjustment procedures, and parts list with detailed component illustrations and screw specifications.
Seiko Quartz LC Cal.0139A Technical Guide and Parts List
Complete technical documentation for the Seiko Quartz LC caliber 0139A dual-zone timer watch. Includes detailed specifications, display characteristics (12-hour and 24-hour indication, calendar functions), component drawings, and comprehensive parts list with part numbers. Contains disassembly and reassembly procedures for the case, liquid crystal panel, and switch mechanism. Covers lubrication, cleaning, and adjustment procedures with technical illustrations. Features static electricity protection guidelines and battery life indicator information.
Seiko Quartz LC Cal.0439A Technical Guide and Parts List
Complete technical documentation for Seiko Quartz LC Cal.0439A digital watch. Includes specifications, operating instructions for time and calendar functions, light operation, battery replacement procedures, disassembly and reassembly instructions for case and movement, cleaning methods, and comprehensive parts list with part numbers and illustrations. Features sections on checking and adjustment procedures, malfunction diagnostics, and detailed component diagrams.
Seiko Quartz LC Cal.0532A Technical Guide and Parts List
Technical guide and parts list for Seiko Digital Quartz LC Cal.0532A watch. Includes specifications, features, display system with hour/minute/second and calendar functions, disassembly and reassembly procedures for liquid crystal panel and switch mechanism, cleaning instructions, checking and adjustment procedures. Parts list with numbered components and exploded views.
Seiko Quartz LC Cal.0674A Technical Guide
Technical guide for Seiko Quartz LC (Liquid Crystal) caliber 0674A digital watch. Includes specifications, time and calendar setting procedures, disassembly and reassembly instructions for case and movement, component lubrication, cleaning methods, and comprehensive checking and adjustment procedures with malfunction diagnosis table.
Seiko Quartz LC Cal.A031A Technical Guide
Technical guide for the Seiko Digital Quartz Cal.A031A alarm watch. Covers specifications, button operation and function changeover, display adjustment procedures, alarm sounding mechanism, after-sale servicing instruments, case disassembly and reassembly, liquid crystal panel service, switch mechanism service, cleaning procedures, and checking and adjustment procedures. Includes detailed diagrams of movement, internal components, and assembly/disassembly sequences. Also contains instructions for using the Quartz Tester QT-77 for accuracy measurement.
Seiko Quartz LC Cal.M158A World Timer Technical Guide
Technical guide and parts list for the Seiko Quartz LC M158A world timer watch. Includes specifications, operating instructions for dual time functions (home time and world time display across 29 time zones), button operations, time and calendar setting procedures, and detailed disassembly/reassembly instructions. Contains service information with parts diagrams, component identification, and instructions for using the Quartz Tester QT-77 for accuracy measurement.
Seiko Quartz LC Chronograph Cal.0634A Technical Guide
Complete technical documentation for the Seiko Quartz LC Chronograph caliber 0634A. Includes specifications, watch and stopwatch operation instructions, time and date setting procedures, disassembly and reassembly of movement components with lubrication guidelines, cleaning procedures for specific parts (liquid crystal panel, circuit block, reflecting mirror, plastic components), detailed troubleshooting flowchart, malfunction explanations, segment and MOS-IC output terminal information, battery replacement recommendations, and accuracy adjustment procedures.
Seiko Quartz LC Chronograph Cal.0634B Parts List
Parts list and exploded views for the Seiko Quartz LC Chronograph Cal.0634B with 0 jewels. Includes component identification, characteristics (27.00mm casing diameter, 32.760 Hz quartz oscillator frequency, 12-hour digital display with chronograph functions), and detailed parts breakdown with part numbers for all internal components including setting lever, circuit block, liquid crystal panel, battery, bulb, springs, and other mechanical elements.
Seiko Quartz LC Digital Watch Cal.0624A Technical Guide
Technical service manual for Seiko Quartz LC digital watch caliber 0624A. Contains specifications, operating features, liquid crystal display technology overview, time setting procedures, after-service instruments and materials, case disassembly and reassembly procedures, movement disassembly and lubrication, and adjustment and checking procedures including battery voltage checks, contact verification, current consumption measurement, and time accuracy adjustment. Includes detailed photographs and diagrams for service operations.
Seiko Quartz LC M154A Perpetual Calendar Watch Service Manual
Technical service manual for the Seiko Quartz LC M154A perpetual calendar digital watch. Includes specifications, operating instructions, disassembly and reassembly procedures, movement lubrication details, and checking/adjustment procedures. Features sections on display functions, button operation, time and calendar setting, case disassembly, glass replacement, movement servicing, and component testing with external instruments like the Quartz Tester QT-77.
Seiko Quartz Technical Guide Cal. 6430, 6431, 6432, 6433, 6439
Technical service guide for Seiko quartz watch movements Cal. 6430, 6431, 6432, 6433, and 6439. Contains specifications table comparing features across models (time indication, date, day of week, electronic reset switch, battery life indicator), disassembly and reassembly procedures with detailed mechanical diagrams of calendar mechanism and gear train, lubrication instructions using Moebius A and SEIKO watch oil, complete list of screws with part numbers, and checking and adjustment procedures including output signal verification, battery voltage testing, coil block conductivity, gear train mechanism checks, and accuracy tests.
Seiko S022A Digital Quartz Parts List
Parts list and exploded view for Seiko Cal. S022A digital quartz watch. Contains circuit block, battery holding spring, ground terminal, battery connection, switch cock, connector, battery guard, liquid crystal panel frame, switch lever, liquid crystal panel, module fixing screw, module fixing tube and silver oxide battery. Includes characteristics: 34.3×43.0 mm casing diameter, 9.4 mm maximum height without battery, 32,768 Hz quartz crystal oscillator frequency, digital display system with stopwatch function.
Seiko S031A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko S031A digital stopwatch. Includes complete specifications, disassembly and reassembly procedures, parts list with numbered illustrations, lubrication information, battery installation instructions, circuit block structure, and value checking procedures. Contains detailed diagrams of internal components and assembly guidelines.
Seiko S033A Stopwatch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko S033A stopwatch. Includes detailed specifications, disassembly and reassembly procedures, circuit block structure, battery installation instructions, and troubleshooting for the electroluminescent panel. Features component identification with part numbers, lubrication specifications, and value checking procedures for time accuracy and current consumption.
Seiko S034A Stopwatch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko S034A digital stopwatch module. Includes complete parts list with numbered components, disassembly and reassembly procedures, circuit block structure diagram, battery installation instructions, piezoelectric element replacement procedure, lubrication guidelines, and value checking procedures for time accuracy, upconverter coil resistance, and current consumption. Features specifications for a multiplex LCD display stopwatch with lap time measurement, split time display, memory recall for up to 30 sets, alarm function, time/calendar display, and automatic calendar from 1995 to 2044.
Seiko S038A Parts Catalogue and Technical Specifications
Parts catalogue for Seiko S038A digital sports watch with timer and stopwatch functions. Contains technical specifications, complete parts list with numbered diagrams showing case assembly, buttons, circuit components, liquid crystal panel, and battery details. Includes assembly/disassembly procedures with figures, lubrication guidelines, and parts reference numbers. Watch features multiplex LCD display, chronograph functions, score memory, and time/calendar display with automatic calendar up to 2042. CR2032 battery, ±0.0012% accuracy.
Seiko S120A S123A Stopwatch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko stopwatch models S120A and S123A. Includes detailed specifications, disassembly and reassembly procedures, lubrication instructions, battery replacement guidelines, circuit block structure diagrams, value checking procedures, and functional testing information. Features display modes for time/calendar, stopwatch, and stroke/frequency measurement. Contains component lists with part numbers, assembly illustrations, and troubleshooting guidance.
Seiko S149A Stopwatch - Parts Catalogue & Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. S149A digital stopwatch module with integrated thermal printer. Includes detailed specifications, exploded views with numbered parts, disassembly/reassembly procedures, battery replacement instructions, circuit block diagrams, roll paper and jack unit handling procedures, print color adjustment, current consumption measurement, and display changeover verification. Contains 12 pages with technical illustrations and component identification.
Seiko S240A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko S240A digital watch module. Contains specifications for a 32.0mm diameter LCD display module with multiplex driving system, detailed parts list with part numbers and exploded views, circuit block structure diagram, segment electrode relationships, C-MOS-LSI output terminal diagrams, assembly and disassembly procedures, battery installation remarks, and value checking procedures. Uses Matsushita CR2025 battery with 3.0V voltage.
Seiko S351A Chronometer Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko S351A stopwatch. Contains detailed specifications, complete exploded view diagram with numbered parts, assembly and disassembly procedures, lubrication instructions, battery installation guidelines, and technical remarks on the circuit block structure. Includes value checking information for time accuracy and current consumption.
Seiko S701A Stopwatch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. S701A digital stopwatch module. Includes complete component breakdown with numbered parts diagrams, specifications (TN type liquid crystal display, 1/4 multiplex driving system), disassembly and reassembly procedures with detailed illustrations, battery installation instructions for lithium CR2032 cells, remarks on circuit block structure, and value checking procedures. Features time/calendar display, stopwatch function with lap/split measurement, memory functions, illuminating light, and safety features.
Seiko S800A Dive Computer - Parts Catalogue & Technical Guide
Parts catalogue and technical guide for the Seiko S800A diving computer. Includes detailed component breakdown with part numbers, disassembly and reassembly procedures, lubrication specifications, circuit block structure, battery installation instructions, and troubleshooting guide for the electroluminescent panel. Covers module specifications with nematic liquid crystal display, multiplex driving system, automatic calendar function, scuba chronograph, and dive log recording capabilities.
Seiko S820A Digital Watch Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko S820A digital wristwatch. Includes detailed specifications, module and case assembly diagrams with numbered components, disassembly and reassembly procedures with illustrations, battery installation instructions, circuit block structure diagrams, troubleshooting procedures for electroluminescent panel, temperature sensor verification, and technical checkpoints. Features liquid crystal display with time/calendar, thermometer functions, chronograph, and alarm capabilities. Covers lubrication requirements, measurement specifications, and component locations.
Seiko Scuba Cal. 7K52A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Scuba diving watch Cal. 7K52A. Includes detailed specifications, movement diagrams, comprehensive parts list with numbered components, exploded views, circuit block structure, battery installation procedures, and reassembly remarks. Watch features depth measurement function, diving time hand, date calendar, and electronic circuit reset switch. Designed for recreational scuba diving use.
Seiko SCUBA Cal. M795A, M796A Parts Catalogue & Technical Guide
Parts catalogue and technical service guide for Seiko SCUBA diving watches Cal. M795A and M796A. Includes specifications, detailed parts diagrams with numbered components, circuit block structure, barometer adjustment procedures for test mode, battery installation instructions, and sensor unit handling. For recreational scuba diving use only, depth range 0-130 ft (M795A) or 0-40 m (M796A), temperature range 15°F to 120°F or -10°C to +50°C.
Seiko UW01A Digital Quartz Watch Technical Guide
Technical manual and parts catalogue for the Seiko Cal. UW01A digital quartz watch. Contains specifications (32.768 Hz quartz oscillator, time and calendar display, alarm, stopwatch, calculator function), circuit block structure diagrams, display function descriptions, case disassembly and reassembly procedures, module disassembly instructions, and detailed checking and adjustment procedures including battery voltage, current consumption, liquid crystal panel contact, switch conductivity, accuracy calibration, alarm condition verification, upconverter coil testing, and transmit coil testing. Parts listing with numbered reference illustrations.
Seiko V041A Service Guide - Movement Specifications
Service guide for Seiko caliber V041A quartz movement. Includes specifications (outside diameter 24.5mm, casing diameter 23.0mm, height 3.9mm), display type (analog with three hands or digital FEM), step motor driving system with load-compensated driving pulse type, and electronic circuit reset switch. Contains notes on removing and installing the winding stem, hand installation procedures using a plastic train wheel bridge, battery replacement instructions (SEIKO SR726W, MAXELL SR726W, SONY SR726W, 1.55V nominal), value checking for current consumption (less than 2.0µA), and necessary steps after battery installation.
Seiko V182A Solar Quartz Watch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko V182A solar-powered quartz watch movement. Contains detailed parts list with numbered components, exploded views of movement assembly, disassembly and reassembly procedures for dial, solar cell unit, holding ring, date dial guard, rechargeable battery unit, and circuit block cover. Includes technical specifications: outside diameter 20.0 mm, step motor driving system, solar power system with overcharge prevention, energy depletion forewarning, electronic circuit reset switch, train wheel setting device, and date calendar with instant setting. Testing procedures for cell block resistance, current consumption, output voltage measurement, rechargeable battery checking, quick-start function, and time accuracy verification. Charging time guidelines table provided for various light sources and environments.
Seiko V232A Analogue Quartz Technical Guide and Parts List
Technical guide and parts list for Seiko caliber V232A analogue quartz movement. Includes specifications, screw types, disassembly and reassembly procedures with lubrication instructions, checking and adjustment procedures for output signal, battery voltage, and coil block. Detailed cross-sectional views of gear train and annotated exploded diagrams of movement components.
Seiko V247A V248A Quartz Watch Technical Guide Parts List
Technical guide and parts list for Seiko analogue quartz watches caliber V247A and V248A. Includes specifications, disassembly and reassembly procedures with lubrication instructions, checking and adjustment procedures, circuit block structure, and complete parts list with technical diagrams and component illustrations.
Seiko V338A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko Cal. V338A quartz watch movement. Includes specifications, exploded diagrams of movement components, parts list with numbered references, date dial options, winding stem information, and value checking parameters for coil block resistance and current consumption.
Seiko V400A V401A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz movements Cal. V400A and Cal. V401A. Includes specifications, detailed parts diagrams with numbered components, disassembly and reassembly procedures, circuit block structure, installation notes for hands, battery, battery connections, train wheel bridge settings, and value checking data for coil block resistance and current consumption.
Seiko V50 Series Service Guide - Cal. V50A V50IA
Service guide for Seiko V50 series quartz watch movements (V50A and V50IA models). Contains specifications including movement dimensions, time indication options, step motor driving system, battery details (1.56V, approximately 2 year life), and after-sales servicing instructions. Includes technical notes on winding stem removal and installation, hand installation procedures, and current consumption value checking methodology using SEIKO Digital Multi-Tester S-840A.
Seiko V653B Quartz Chronograph Movement Parts Catalogue
Complete parts catalogue and technical guide for the Seiko V653B quartz chronograph movement. Includes detailed specifications, disassembly and reassembly procedures, parts identification with part codes, setting positions for wheels and bridges, battery installation methods with circuit reset procedures, dial and hand removal/installation techniques, and lubrication guidelines. Features exploded views and assembly diagrams.
Seiko V657A Chronograph Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko V657A chronograph movement. Includes specifications, exploded diagrams of the movement, parts list with reference numbers, disassembly and reassembly procedures, battery installation instructions, and technical information on the circuit block structure, stopwatch mechanism, train wheel bridge settings, and value checking parameters.
Seiko V691A Watch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko V691A quartz watch movement. Contains detailed exploded views of movement components, specifications including 24.0mm diameter case with step motor driving system, assembly and disassembly procedures, installation instructions for dial, hands, mode indicator, battery clamp, winding stem, and circuit block. Includes technical measurements, lubrication specifications, circuit block structure diagrams, troubleshooting guidelines, and component value checking procedures. Battery: SEIKO SR920W or Maxell SR920W, 1.55V.
Seiko V694A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko V694A alarm chronograph watch movement. Includes detailed exploded views of the movement, parts lists with reference numbers, specifications, and technical instructions for disassembly, reassembly, and adjustment of key components (mode indicator, dial, winding stem, battery clamp, etc.). Features circuit block structure diagram, valve checking procedures, and wheel identification guide.
Seiko V707A Movement Service Guide
Service guide for Seiko Cal. V707A quartz watch movement. Contains specifications including movement size, casing diameter, height, time indication, step motor driving system, battery type and life. Includes discrimination table for installing hand heights with dial numerals and movement diagrams. Covers circuit block structure with Part No. 4000 B11, value checking parameters for coil block resistance and current consumption, and after-sales servicing information.
Seiko V707C/V708C Service Guide
Service guide for Seiko quartz watches Cal. V707C and V708C. Contains specifications, hand installation height discrimination table, battery connection remarks, circuit block structure diagram, and value checking parameters including coil block resistance and current consumption measurements.
Seiko V802A Watch Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko V802A quartz watch movement. Includes detailed parts list with numbered diagram references, specifications (18.4mm outside diameter, 2.55mm height, step motor driving system), disassembly and reassembly procedures, winding stem removal instructions, train wheel bridge settings, coil block resistance values, and current consumption data. Contains structure of circuit block, remarks on component assembly, and battery specifications (1.55V).
Seiko W307A Service Guide - Battery and Reset
Service guide for Seiko W307A watch module. Contains specifications including case diameter 27.4mm, nematic liquid crystal FEM display, multiplex driving system with time/calendar/alarm/stopwatch functions. Includes battery replacement procedure (CR2016 lithium 3.0V), system reset instructions, and current consumption value checking with multi-tester S-840A.
Seiko W339A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko W339A digital watch. Includes specifications, exploded view diagrams of components (insulators, battery, circuit block cover, circuit block, buzzer lead terminal, battery connector, liquid crystal panel, reflecting mirror, liquid crystal panel frame), parts reference numbers, remarks on battery installation, disassembling and reassembling procedures, and value checking specifications. Watch features 1/3 multiplex LCD display system with time/calendar, stopwatch, timer, alarm, and dual time functions.
Seiko W358A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko W358A digital watch module. Includes disassembly and reassembly procedures, parts diagram with numbered components (case back screw, case back, case back gasket, module, case middle, buttons and springs), liquid crystal panel options, circuit block structure diagram, battery installation notes, and value checking specifications (upconverter coil resistance 50-90 ohms, current consumption less than 4.0µA for complete module). Features specifications for a quartz multiflex driving system with time/calendar, alarm, dual time zone, timer, circuit race timer, and memory recall displays.
Seiko W359A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko W359A digital watch module. Includes specifications, disassembly/reassembly procedures with numbered component diagrams, parts list with reference numbers, circuit block structure, battery installation notes, value checking data, and liquid crystal panel variants. Contains detailed component breakdowns for case back, module, buttons, circuit blocks, battery insulator, and display components.
Seiko W800A W801A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko W800A and W801A multi-function digital watches. Includes specifications, exploded parts diagrams, battery installation procedures, switch spring removal, liquid crystal panel removal, buzzer lead terminal installation, and module installation instructions. Contains value checking procedures for time accuracy, upconverter coil resistance, and current consumption measurements.
Seiko W850A/W851A/W853A/W854A Parts Catalogue & Technical Guide
Complete parts catalogue and technical service guide for Seiko digital watch calibres W850A, W851A, W853A and W854A. Includes detailed specifications, exploded parts diagrams with numbered components, disassembly and reassembly procedures, battery installation methods, circuit reset procedures, value checking protocols, and button operation guide. Features instructions for handling piezoelectric element, buzzer lead terminal, conductive plates, battery clamp, switch springs, rubber switch, circuit block, liquid crystal panel and electroluminescent components. Covers lubrication specifications and measuring procedures.
Seiko Y182B Quartz Movement Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Y182B quartz watch movement. Includes detailed exploded views of all components, comprehensive parts lists with reference numbers, and technical procedures for disassembly, reassembly, lubrication, and function checking. Contains specifications for the 27.6mm movement with electronic circuit reset, stopwatch function, alarm function, battery indicator, and date calendar. Technical sections cover circuit block structure, battery installation, winding stem removal and installation, dial and hand positioning, train wheel bridge assembly, and accuracy verification procedures.
Seiko Y301A Y302A Quartz Watch Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz watch movements Y301A and Y302A. Includes specifications, exploded views of movement components, detailed part numbering, assembly and disassembly procedures, circuit block structure and maintenance instructions. Contains time accuracy measurement and adjustment procedures for both models.
Seiko Y432B Caliber Parts List
Parts list with exploded views for Seiko Y432B watch movement. Includes component references for wheels, bridges, jewels, screws, coil blocks, rotor assembly and battery connections. Features three different combinations of center wheel with cannon pinion and hour wheel configurations (types a, b, c).
Seiko Y652B Parts List and Exploded Diagrams
Parts list for Seiko caliber Y652B watch movement. Includes numbered part references, exploded views of train wheels, pinions, bridges, balance components, circuit block assemblies, battery connections, liquid crystal panel frame, and winding stem specifications. Contains two type combinations for fourth wheel, center minute wheel, and hour wheel assemblies. Reference data for Seiko, Pulsar, Maxell SR41W, and Sony Everady batteries.
Seiko Y709A Digital Quartz Technical Guide and Parts List
Technical guide and parts list for Seiko Y709A digital quartz watch model. Contains specifications, disassembly and reassembly procedures for case and module, lubrication instructions with silicone grease, checking and adjustment procedures including battery voltage testing, liquid crystal panel electrode checks, current consumption measurement, accuracy verification, speaker block inspection, bulb lead condition checks, and switch component conductivity testing. Includes detailed exploded views of case components and module parts with illustrated assembly and disassembly steps.
Seiko YT62A AGS Movement Service Manual
Technical documentation for the Seiko Cal. YT62A automatic generating system 12-inch movement with three hands and calendar function. Includes movement specifications, accuracy standards (±20 seconds per month), dimensions (27.0mm diameter, 4.89mm height), tuning fork oscillator at 32,768 Hz, features 6 jewels, titanium-lithium battery 4.5mAh at 1.5V nominal voltage. Complete sections covering appearance, casing design, hand fitting specifications, hand setting stem details, dial layout, holding ring for dial, and operation instructions. Power reserve indicator function explained with detailed indications and recharge guidelines. Includes attention to use section with startup procedures and power depletion warning function.
Service Guide Cal. V51 Series - Specifications and Servicing
Service guide for Seiko Cal. V51 series quartz movements (V511, V515, V517). Contains specifications including time indication, hands types, electronic step switch, monthly rate tolerance, main plate dimensions, casing diameter, height, quartz tester measuring gate, battery life (approx. 2 years), battery specifications (SR626SW, SR626S, SR626SW 377), and jewel count. Includes notes on after-servicing procedures, current consumption inspection, movement replacement precautions, winding stem installation, and hand installation instructions. Technical diagrams illustrate battery connection, main plate, and train wheel bridge assembly.
Service Guide CAL. V515B - Movement Specifications
Technical service guide for Seiko caliber V515B. Covers differences between V515B and V515A movements including outside diameter, casing diameter, and height specifications. Includes guidance on movement replacement procedures and current consumption testing with SEIKO Digital Multi-Tester S-840A.
Service Guide Cal. V700A / V701A
Technical service guide for Hattori Seiko quartz watch movements Cal. V700A and V701A. Contains specifications including movement size, time indication with 2 or 3 hands, step motor driving system, battery types (SEIKO SR616SW, SR621SW variants and equivalents), hand installation height discrimination table, circuit block structure diagrams, and value checking parameters for coil block resistance and current consumption.
Service Guide Cal. V722A / V729A
Service guide for Seiko V722A and V729A watch movements. Contains specifications including movement dimensions, time indication (3 or 2 hands), step motor driving system, date calendar mechanism, battery specifications (SR920SW type, 3-year life), and current consumption values. Includes hand installation height discrimination table, circuit block structure diagram with terminal identification, and value checking procedures for coil block resistance and current consumption limits.
Service Guide Cal. V735C/V736C Watch Movement
Technical specifications and service information for Seiko Cal. V735C and V736C quartz watch movements. Includes movement size specifications, hand installation height discrimination chart, battery connection markings, circuit block structure diagram with crystal unit and input/output terminals, and electrical value checking data. Features step motor driving system with date calendar mechanism and battery life indicator.
Service Guide Cal. V742C / V743C
Service guide for Seiko quartz watch movements Cal. V742C and V743C. Contains specifications including movement size, time indication, driving system, additional mechanisms (date calendar, day/date calendar, instant setting devices, train wheel setting device, electronic circuit reset switch), loss/gain specifications, battery types (SR920SW, SR920W, SR920PSW, SR920NSW, Eveready 371), circuit block structure with diagram, hand installation height discrimination, and value checking parameters (coil block resistance, current consumption).
Service Guide Cal. V81 Series - Seiko Watch Movement
Service guide for Seiko Cal. V81 and V810 watch movements. Includes specifications (outside diameter 615.5mm, casing diameter 15.1mm, height 3.0mm), time indication details (2 or 3 hands), step motor driving system with load compensated driving pulse type, electronic circuit reset switch, and monthly rate specification (less than 30 seconds at normal temperature range). Contains notes on replacing the movement, removing the winding stem, installing hands, and battery information (SEIKO TR275W, MAXELL SR275W, SONY SR275W, EVEREADY 319, 1.55V, 2-year battery life). Includes value checking procedures using SEIKO Digital Multi Taster S-840A. Current consumption specification provided (less than 1.4µA for whole movement).
Service Guide Cal. V829A - Quartz Movement
Service guide for Hattori Seiko V829A quartz movement. Includes specifications (18.2mm diameter, 17.8mm casing, 4.2mm height, 3-hand display, step motor driving system), remarks on after-sales servicing (heat-treated components, non-serviceable design), notes on movement replacement (winding stem, hand installation procedures), and value checking procedures including current consumption testing with specified digital multimeter.
Service Guide Cal. W339B - Seiko Digital Watch
Service guide for Seiko Cal. W339B digital watch module. Includes specifications, module dimensions (27.4mm diameter), display features (nematic liquid crystal, 1/4 multiplex driving system), functions (time/calendar, stopwatch, timer, 3-channel alarm, dual time display), additional mechanisms (sound, illuminating light, all segments light-up system, hourly signal), battery specifications (CR2025 3.0V, 5-year life), and procedure for replacing module and installing battery with button reset instructions.
Service Guide CAL. Y482F - Seiko Watch Movement
Technical specifications and service notes for Seiko caliber Y482F quartz watch movement. Includes movement dimensions (18.4mm outside diameter, 17.8mm casing diameter, 2.8mm height), two-hand time indication with step motor and load-compensated driving pulse system. Features electronic reset switch, 10-second measuring gate, and 1.55V battery (SR621SW/364 types) with approximately 2 years battery life. Current consumption less than 1.2µA. Contains notes on winding stem replacement and hand installation procedures.
Service Guide Cal. Y97 Series Watch Movement
Service and repair guide for Seiko Y97 series watch movements (Y974A, Y975A, Y977A). Contains specifications, after-sales servicing procedures, hand installation instructions, alarm function testing, crown removal procedures, movement operation checking with power supply connection diagram, melody alarm identification for Y975 model, and value checking procedures using digital multitester. Includes technical illustrations and assembly details.
Service Guide CAL.V744C Movement Specifications
Service guide for Seiko Cal.V744C quartz movement. Contains specifications including movement dimensions (∅26.4mm case, 2.78mm height), 3-hand time indication with day/date calendar, step motor with load-compensated driving pulse type, electronic circuit reset switch, and monthly rate specification (less than 20 seconds at normal temperature). Includes hand installation height discrimination table, circuit block structure diagram with coil block resistance values, and current consumption specifications. Battery specifications for multiple models (SEIKO SR920SW, MAXELL SR920SW, SONY SR920SW, MATSUSHITA SR920SW, EVEREADY 371) with 1.55V voltage and approximately 5 years battery life.
Service Guide for Cal. W204A and Cal. W207A Watches
Service guide for two watch calibers: Cal. W204A and Cal. W207A. Includes specifications for both models with nematic liquid crystal display, multiplex systems, time/calendar/stopwatch/alarm displays, automatic calendar mechanism, and battery information. Contains checking and adjustment procedures for current consumption and battery clamp removal instructions with technical specifications for movement size, regulation system, and quartz testing gate.
Service Guide for Caliber V535A, V536A, V539A
Technical service guide for Hattori Seiko quartz watch movements calibers V535A, V536A, and V539A. Contains specifications including movement dimensions, dial configurations, time indication systems, additional mechanisms (24-hour dial, date calendar, instant calendar setting device), battery specifications (1.65V SR927SW), and current consumption values. Includes remarks on after-sales servicing regarding movement parts replacement and winding stem availability.
Service Guide for Caliber V800A Movement
Service guide for the Caliber V800A quartz watch movement. Contains specifications including movement dimensions (outside diameter 18.4mm for 6h-12h position, 15.3mm for 3h-9h position), casing diameter 17.8mm, height 1.9mm. Features step motor with load compensated driving pulse, 2-hand configuration with 20 second hand intervals, and 10-second quartz tester measuring gate. Powered by SR616SW, SR616SW or SR616SW batteries (1.55V), approximately 3 years battery life. Includes notes on winding stem removal procedure and current consumption specification (less than 0.7µA). Zero jewels movement.
Service Guide for Seiko Cal. V722C and V729C Quartz Watches
Technical service documentation for Seiko V722C and V729C quartz movements. Includes specifications (movement size, time indication, step motor driving system, battery types SR920SW and equivalent), hand installation height discrimination table, circuit block structure and diagram with part number 4000 633, and electrical value checking parameters for coil resistance and current consumption.
Service Guide for Seiko Cal. V732C/V733C/V739C
Technical service documentation for three Seiko watch movements (V732C, V733C, V739C). Contains specifications including movement diameter, case diameter, height, time indication with 2-3 hands, step motor driving system, date calendar mechanisms, battery information (SR920SW, MAXELL SR920SW, SONY SR920SW, MATSUSHITA SR920SW, EVERREADY 389, 1.55V), coil block resistance values (1.18 kΩ - 1.58 kΩ), current consumption specifications, hand installation height discrimination table with numeral references, circuit block structure diagram, and value checking procedures.
Service Guide for Seiko Cal. V735A / V736A Movements
Technical service documentation for Seiko V735A and V736A watch movements. Contains specifications including movement size, time indication, driving system (step motor with load compensated driving pulse), additional mechanisms (date calendar, day and date calendar with instant setting devices, train wheel setting device, electronic circuit reset switch, battery life indicator), loss/gain data, and regulation system. Includes valve checking parameters, battery specifications (SR920SW, MAXELL SR920SW, SONY SR920SW, MATSUSHITA SR920SW, EVEREADY 371, FUJITSU 371), hand installing height discrimination table with dial numerals reference, circuit block structure diagram with terminal identification, and battery connection markings.
Service Guide for Seiko Cal. V828A Watch Movement
Technical service documentation for Seiko caliber V828A quartz watch movement. Includes specifications (18.5mm case diameter, step motor with load compensated driving pulse, day and date calendar with instant date setting), notes on movement replacement, winding stem installation instructions, hand installation procedures, and current consumption value checking using SEIKO Digital Multi Tester S-840A. Contains two movement views and technical diagrams.
Service Guide for Seiko Caliber V544A Movement
Technical service guide for the Seiko Cal. V544A quartz movement. Contains specifications, after-sales servicing system, day star with dial disk information, and value checking procedures using SEIKO Digital Multi Tester S-840A. Includes movement dimensions, casing specifications, driving system details, battery information (SR927SW, MAXELL SR927SW, SONY SR927SW, EVEREADY 395, 1.55V), and current consumption testing parameters.
Service Guide Seiko Cal. V742A / V743A Watch Movement
Service guide for Seiko V742A and V743A watch movements. Includes specifications (outside diameter 26.25mm, height 2.9mm, 3-hand time indication, step motor driving system, date calendar with instant setting device), hand installation height discrimination table with printed position examples, battery connection remarks (SHIOJIRI LTD or MORIOKA HATTORI INC markings), circuit block structure diagram with terminal identification, and value checking table (coil block resistance 2.4kΩ - 2.8kΩ, current consumption specifications, battery: SEIKO SR920SW, 1.55V, approximately 3 years life).
V337A Quartz Watch Movement Parts Catalogue
Parts catalogue and technical guide for Seiko V337A quartz watch movement. Includes specifications, movement dimensions, time indication system, driving mechanism (step motor with load compensated driving pulse type), calendar and instant date setting devices, electronic circuit reset switch and second setting device. Contains exploded view diagrams with numbered parts, battery specifications (SR916SW, 1.65V), and winding stem details. Single-page technical reference document from Hattori Seiko Co., Ltd.
V896A Calendar Watch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko V896A calendar watch movement. Includes specifications, numbered parts diagrams with exploded views, disassembly and reassembly procedures, setting instructions for day hand, dial, multi-function wheel and pinion, date jumper and battery. Contains lubrication requirements, battery specifications, and value checking parameters for coil block resistance and current consumption.
Y130A, Y131A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. Y130A and Y131A watch movements. Includes specifications, parts diagrams with numbered components, disassembly and reassembly procedures for hands, dial, dial washer, winding stem, wheels and pinions. Contains value checking data for coil block resistance and current consumption. Electronic reset switch mechanism described. Three-hand time indication with second setting device.
Y150A Movement Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Hattori Seiko Cal. Y150A quartz movement. Includes specifications, disassembly/reassembly procedures, parts list with numbered diagram, circuit block structure, and valve checking procedures. Movement features 2-hand display with 20-second step, step motor driving system, approximately 3-year battery life with SR416SW/Maxell SR416SW cells at 1.55V.
Y446A Digital Quartz Watch Technical Guide and Parts List
Technical guide and parts list for the Calibre Y446A digital quartz watch. Covers specifications, case disassembly and reassembly with lubrication instructions, module disassembly and cleaning procedures, checking and adjustment procedures including battery voltage, liquid crystal panel conductivity, bulb condition, speaker block, current consumption and accuracy checks. Includes liquid crystal panel segment electrode diagram for models Y446A and Y458A, and complete module parts list with part numbers.
Y514 150m Diver's Watch Technical Guide CAL.Y514
Technical guide for the Y514 150m diver's watch with quartz movement. Contains disassembly and reassembly procedures for the glass retaining section, including detailed illustrations of component parts (rotating ring, gasket for rotating ring, glass, gasket for glass, dial rings, middle, siem with crown, movement with dial, case ring, casing spring, case back gasket, case back). Includes water-resistant testing instructions and cross-sectional view of the watch mechanism.