RONDA - Service Manuals
41 manuals available for download
RONDA is a trusted manufacturer of precision quartz movements and chronograph mechanisms for the horlogerie industry. Our comprehensive technical documentation library includes detailed service manuals, repair guides, and workshop instructions covering decades of movement designs—from standard quartz modules to advanced chronograph assemblies. Whether you need assembly procedures, electrical testing protocols, maintenance guidelines, or troubleshooting support, RONDA's PDF downloads provide the professional-grade technical resources required by watchmakers, service centers, and repair technicians worldwide.
Ronda 1002, 1003, 1004 Technical Instructions No. 316.0
Technical instructions for Ronda quartz watch movements 1002, 1003, and 1004 (10 1/2''' caliber). This service manual covers movement dimensions, technical specifications, stem positions and operational functions, and movement height data. Includes assembly diagrams and detailed parts lists for each caliber variant. Contains dimensional drawings, functional descriptions of all components, and battery specifications (SR 920 SW, 6.8 mm diameter, 1.45 mm height). Essential reference documentation for technicians servicing and assembling these Ronda movements.
Ronda 1012, 1013, 1014 Technical Instructions No. 317.0
Technical service manual for Ronda caliber 1012, 1013, and 1014 quartz watch movements in 11½″ format. This workshop documentation provides complete movement specifications, dimensional data, and functional descriptions essential for repair and maintenance. Includes detailed spare parts lists with exploded assembly views, movement train diagrams, and step-by-step assembly procedures. Contains electrical performance measurements, motor pulse interruption parameters, and second-stop mechanism specifications. Covers dial-train configuration, case fitting procedures, and hand-setting operations. Fully illustrated with technical schematics and component layouts for watchmakers and technicians servicing these calibers.
Ronda 1015, 1016, 1019 Technical Instructions No. 319.0
Technical service manual for Ronda quartz watch movements calibers 1015, 1016, and 1019 (11 1/2 ligne). This workshop reference covers movement dimensions and specifications, operational functions keyed to each stem position, electrical measurements and performance data, dial-train configuration, hand-setting procedures, and case assembly requirements. Includes detailed exploded diagrams and complete parts lists for all three calibers, essential for technicians servicing or assembling these popular quartz modules.
Ronda 1062, 1063, 1064, 1069 Technical Instructions
Technical instructions No. 312.3 for Ronda quartz watch movements 1062, 1063, 1064, and 1069. This service manual provides complete movement dimensions, stem positions and functional specifications, dial-train data, hand adjustment parameters, and casing drawings essential for assembly and repair work. Includes detailed electrical specifications covering battery voltage, current consumption, and coil resistance measurements for troubleshooting and validation of movement performance.
Ronda 4003.B Quartz Movement Technical Instructions and Assembly Guide
Technical instructions and assembly guide for the Ronda 4003.B 12 1/2''' quartz movement — a complete service manual for watchmakers and technicians. Details include specifications (28.60 mm total diameter, 4.40 mm movement height), 16-stage step-by-step assembly procedures, component identification with part numbers, and dimensional drawings. Battery Nr. 395 delivers 48 months autonomy. Performance specifications cover torque ratings of 6 µNm for both second and minute hands, operating range 0°C to 50°C, magnetic resistance of 18.8 Oe, and shock resistance per NIHS 91-10. Crown function positions cover neutral, date adjustment, and time-setting modes. Original documentation dated 20 March 2006. Essential reference for servicing, repair, and assembly of this quartz movement.
Ronda 4120.B Technical Data - Specification and Assembly
Technical data sheet and assembly manual for the Ronda 4120.B quartz watch movement, a 12½-ligne caliber engineered for precision timekeeping. The documentation provides complete specifications essential for watchmakers and technicians, including dimensional tolerances (Ø 28.60mm, height 4.40mm, case fitting 28.00mm), movement profile, and battery configuration using a 395 cell with rated autonomy of 48 months. Stem specifications are detailed, covering thread pitch (0.90mm) and positioning height (1.90mm). The assembly section contains step-by-step instructions with clearly labeled configuration diagrams (A, B, C) and itemized components—main plate, cannon pinion with driver, hour wheel, centre bridge, sliding pinion, handsetting stem, setting lever, yoke, pusher jumper, stators, rotor, intermediate wheel, and second wheel—enabling proper construction and alignment. Performance data covers operating torque ranges, chronometric accuracy parameters, functional temperature limits (0°C–50°C), magnetic field immunity, and shock resistance certification to NIHS 91-10 standard. Includes functional crown positions for time-setting and calendar operations. Essential reference for service technicians, repair professionals, and watchmakers working with this caliber.
Ronda 4210B Technical Data - Specification and Assembling
Ronda 4210B quartz watch movement technical specification and assembly manual covering this 11.5 ligne, 28.60 mm diameter movement. Complete technical data includes movement height of 4.40 mm, 48-month battery life, and operating temperature range from 0°C to 50°C. The movement features dual time zone functionality with date and time setting capabilities. Step-by-step assembly procedures detail all 16 component assembly phases with exploded-view diagrams (sections A, B, C) that clarify the correct assembly sequence and exact positioning of each part. Essential reference for watchmakers and technicians working with this movement series.
Ronda 4220.B Technical Instructions - Specification and Assembly
Technical instructions and complete specifications for the Ronda 4220.B quartz watch movement. This workshop manual provides all essential data for service technicians and watchmakers, including precise dimensions (Ø 28.60 mm), battery specification (Nr. 395 with 48-month autonomy), and movement height of 4.40 mm. Performance specifications detail torque requirements, operating temperature range from 0°C to 50°C, magnetic field resistance, and shock resistance ratings. The assembly section provides 18 step-by-step instructions covering installation of the main plate, bridges, wheels, stem, lever, pusher, stator and rotor components, making this an essential repair and maintenance reference for anyone working with this movement.
Ronda 5010.B Quartz Chronograph Movement Technical Data
Technical data sheet and assembly manual for the Ronda 5010.B quartz chronograph movement (12½ ligne). Covers complete specifications: 28.60mm overall diameter, 28.00mm case fitting diameter, 4.40mm height, Nr. 395 battery providing 48-month service life. Performance data include torque requirements for the minute hand (200–300 µNm) and chronograph counter (3.0–4.6 µNm), operating temperature range from 0 to 50°C, magnetic resistance rated at 18.8 Oe (equivalent to 1500 A/m), and shock tolerance per NIHS 91-10 standard. The assembly section presents 19 primary components with technical illustrations: main plate, cannon pinion, gear train wheels, bridges, stator and rotor assemblies, and setting lever mechanisms. Includes dimensioned technical drawings and exploded component diagrams essential for movement assembly, regulation, and service work.
Ronda 5020.B Technical Data - Specification
Complete technical data and assembly guide for the Ronda 5020.B chronograph movement, a quartz timekeeping module with 28.60 mm overall diameter. This workshop manual covers dimensional specifications, full performance characteristics across the 0°C to 50°C operating temperature range, battery selection and life data (Nr. 395 with 48-month autonomy), and step-by-step assembly procedures. Includes detailed component identification diagrams and precise greasing requirements for proper movement function. Essential reference for horologists, watch technicians, and movement assemblers working with Ronda chronograph mechanisms.
Ronda 5020B Technical Instructions - Assembling
Technical instructions for the Ronda 5020B quartz movement, detailing the assembly sequence for all mechanical components within this watch caliber. The guide walks through mounting the main plate, installing the Moebius escapement wheels (9014, 9020), positioning the setting and minute wheels, securing the minute train bridge, and assembling the lens indicator driving wheel with its jumper. Instructions cover the hour wheel installation, date indicator driving wheel, and date jumper mechanism. Lubrication specifications call for Moebius greases (8200, 9020) applied to critical friction points, with detailed notes on screw types and torque requirements for component securing. Essential reference for watchmakers and technicians performing complete movement overhauls, rebuilds, or service on Ronda 5020B calibers.
Ronda 5030.D Technical Data and Assembly Information
Technical data and assembly guide for the Ronda 5030.D quartz chronograph movement, a 12½ ligne calibre designed for precision timekeeping instruments. Movement diameter 28.60mm with case fitting specification of 28.00mm, total height 4.40mm, and stem thread dimensions 0.90mm/0.90mm. Features a practical date quick-set function accessible via three crown positions: neutral, rapid date adjustment, and time setting mode. Performance specifications detail torque requirements across complications—small seconds register 4.0–6.7 µNm, minute hand operation 200–300 µNm, and counter hand 3.0–4.6 µNm. Rated for operating temperatures between 0°C and 50°C with shock resistance to NIHS 91-10 standard and magnetic field immunity at 18.8 Oe. Powered by battery type 395 offering 48 months of service life. The manual provides comprehensive component documentation with mechanical diagrams illustrating main plate architecture, bridge assemblies, rotor design variations, pusher mechanisms, and the integrated electronic module—an essential technical reference and service guide for watchmakers, technicians, and movement specialists requiring detailed assembly, maintenance, and repair guidance for this popular quartz chronograph calibre.
Ronda 5030.D Technical Instructions - Assembly Page 5-6
Technical instructions for the Ronda 5030.D quartz movement covering pages 5-6 assembly procedures. Details the step-by-step installation of the main plate, setting wheel, minute wheel, minute train bridge, hour wheel, date indicator driving wheel, date jumper, date indicator, date indicator maintaining plate, date jumper spring, and dial support. Specifies the precise lubricants required at each stage—Moebius 9014, Moebius 9020, Moebius 8200, Jismaa 124, and Moebius 8020—along with detailed component specifications and critical assembly notes for technicians. Essential reference for watchmakers performing movement restoration or complete reassembly of the 5030.D caliber.
Ronda 5040.D Chronograph Movement - Technical Instructions
Technical instructions and assembly manual for the Ronda 5040.D quartz chronograph movement (12½ ligne). Covers complete dimensional specifications, performance characteristics, and operational functions of crown positions and pusher mechanisms. Includes step-by-step assembly procedures with part numbers, torque specifications, exploded diagrams, and assembly stages. Essential reference for watchmakers and technicians servicing or rebuilding this movement.
Ronda 5040.F Chronograph Movement - Technical Data and Assembly Instructions
Complete technical data sheet and assembly instructions for the Ronda 5040.F quartz chronograph movement. This 12.5 ligne calibre measures 28.60mm in total diameter and fits standard 28.00mm cases, with a compact movement height of 4.40mm. Powered by battery Nr. 395, the movement delivers 48 months of continuous operation and functions reliably across 0°C to 50°C. Performance specifications cover torque requirements, magnetic field immunity at 18.8 Oe (1500 A/m), and shock resistance per NIHS 91-10 standards. Detailed assembly diagrams illustrate the 17 principal components—cannon pinion, bridges, rotors, yoke assemblies, stator, and intermediate wheels—with precise positioning and orientation for correct installation. Essential reference for watchmakers, movement technicians, and service specialists performing assembly, maintenance, or troubleshooting of this chronograph calibre.
Ronda 5040B Technical Instructions - Assembling
Technical assembly manual for the Ronda 5040B watch movement. This workshop guide provides step-by-step procedures for assembling the main plate, setting wheels, minute train, date indicator mechanism, and hour wheel components. Covers precise lubrication specifications using Moebius oils (9014, 9020, 8200) and Jismaa lubricants at each assembly stage. Includes comprehensive parts list with reference numbers and detailed assembly tolerances to ensure proper movement function and regulation.
Ronda 5040D Technical Instructions - Assembling
Technical assembly instructions for the Ronda 5040D quartz watch movement. This service manual guides technicians through step-by-step assembly of the complete movement, beginning with the main plate and progressing through installation of the setting wheels, minute train, and minute train bridge. Covers the lens indicator driving wheel, lens jumper, and lens jumper maintaining plate, followed by the hour wheel, hour wheel friction spring, and associated components. Includes detailed procedures for the date mechanism, including the date indicator driving wheel, date jumper, tens intermediate wheel, date indicator maintaining plate, and date mechanism maintaining plate. Concludes with dial support installation. The repair guide specifies lubrication requirements using Moebius oils and greases at critical points throughout assembly. Essential reference for watch repair technicians and horological professionals servicing this movement.
Ronda 5040F Technical Instructions - Assembly and Electrical
Technical instructions for the Ronda 5040F movement, detailing assembly procedures from step 45 onwards covering the main plate, wheels, bridges, correctors, indicators, and jumpers. The service manual includes comprehensive electrical checking specifications for voltage, consumption, accuracy, and coil resistance measurements across four motors, along with accelerated motor test procedures and control mode activation protocols. Essential reference for technicians assembling and troubleshooting this quartz movement.
Ronda 505.24 & 515.24 Watch Movement Technical Instructions No. 314.3
Technical instructions for Ronda quartz watch movements 505.24D, 505.24H, 509, 515.24D, 515.24H and 519. Covers movement dimensions, stem positions and operational functions, electrical measurements and specifications, dial train characteristics, and detailed assembly drawings with full component identification for every caliber. An essential technical reference for watch technicians and movement specialists working with these Ronda quartz mechanisms.
Ronda 5050.B Technical Instructions - Assembling (Pages 5-6)
Technical instructions for the Ronda 5050.B quartz movement covering assembling steps 48-72. Detailed guidance on installing the main plate, setting wheel, minute wheel, and hour wheel, along with critical jumper components including the lens jumper, date jumper, and tens indicator jumper. Covers proper positioning of the lens indicator, date indicator, hour and date display elements, and maintenance plates. Includes Moebius lubrication specifications and screw torque details essential for correct movement function and long-term reliability.
Ronda 5050.B Technical Instructions and Assembly
Complete technical specification and detailed assembly manual for the Ronda 5050.B watch movement. This service documentation covers dimensional data, battery specifications including mercury cell requirements, performance ratings, and functional descriptions essential for technicians and watchmakers. The repair guide provides step-by-step assembly procedures with full component part numbers, precise greasing protocols, coil handling techniques, and critical positioning tolerances. Ideal for professional workshop use, this manual ensures proper movement calibration and reliable operation through methodical reassembly guidance and technical notes on bearing placement and mechanical alignment.
Ronda 5050.C Technical Instructions - Specification and Assembly
Complete technical specification and assembly workshop manual for the Ronda 5050.C quartz chronograph movement (12½''). This service manual provides all essential performance data: total diameter Ø 28.60 mm, case fitting Ø 28.00 mm, movement height 4.40 mm, battery Nr. 395 rated for 48 months of operation, torque specifications for small seconds (4.0–6.7 µNm), minute hand (200–300 µNm), and counters (3.0–4.6 µNm), plus operating range 0–50°C and magnetic field resistance 18.8 Oe (1500 A/m). Step-by-step assembly instructions with detailed technical drawings and exploded views guide you through every stage: main plate assembly, center bridge positioning, hand-setting stem installation, sliding pinion placement, setting lever configuration, pusher jumpers, yokes, stators and rotors, intermediate wheel assembly, and battery installation. An essential reference for repair technicians and watchmakers working with this quartz chronograph module.
Ronda 5050C Assembly and Electrical Checking Technical Instructions
Pages 5–6 of the technical instruction manual for Ronda 5050C movement assembly. Provides detailed step-by-step procedures (steps 46–78) for assembling date and time mechanism components, including installation of the main plate, wheels, jumpers, indicators, bridges and dial with precise lubricant specifications (Moebius 9014, 9/20, 8200, 8000). Covers assembly of the units indicator, tens indicator, hour wheel, date mechanism, day mechanism and dial support, with critical positioning notes and lubrication requirements essential for accurate timekeeping and calendar function. This service manual section is indispensable for watch technicians and repair professionals performing movement assembly and restoration work on Ronda quartz caliber 5050C.
Ronda 5130.B Technical Data and Parts List
Technical data and service specifications for the Ronda 5130.B quartz chronograph movement with alarm function. This documentation provides the complete parts list and reference guide for technicians and watchmakers servicing this 12.5 ligne caliber. Includes precise dimensional data (Ø 28.60 mm, height 4.40 mm), battery specifications (Nr. 395 cell, 48-month autonomy), performance characteristics, and comprehensive component diagrams. Details all mechanical and electronic assemblies: main plate, rotors, wheels, coils, and electronic module sections. Essential reference for repair, maintenance, and parts identification work on this chronograph movement.
Ronda 5130.B Technical Instructions - Assembling
Technical instructions for assembling the Ronda 5130.B quartz movement, covering detailed assembly procedures from step 52 through step 76. This service manual provides precise component placement instructions and lubrication specifications using Moebius products throughout the assembly process. Includes movement assembly diagrams for caliber variants J, K, L, M, and N, with corresponding mechanical component references and installation guidelines to ensure proper configuration during final assembly.
Ronda 5130D Technical Instructions - Assembly
Technical instructions for the Ronda 5130D watch movement, detailing step-by-step assembly procedures for the complete movement. Covers installation of the main plate, setting wheel, minute wheel, minute train bridge, hour wheel, date indicator mechanism, and dial support components. Includes comprehensive part identification with precise part numbers and specifications for each component. Features detailed lubrication guidance using Moebius oils at critical wear points throughout the movement. An essential workshop manual for watchmakers performing assembly, service, or repair work on this quartz movement.
Ronda 5130D Technical Instructions - Specification & Assembly
Technical instructions for the Ronda 5130D quartz watch movement, a 12 1/2 ligne caliber engineered for precision timekeeping. This service documentation provides complete specifications: case diameter Ø 28.60 mm, movement height 4.40 mm, powered by an Nr. 395 battery with 48-month battery life, operating across 0°C to 50°C. Includes torque requirements and performance parameters essential for assembly and repair. The manual features detailed assembly diagrams mapping 18 core components—main plate, cannon pinion, hour wheels, bridge, stem mechanism, setting lever, yoke, pusher jumpers, stators, and fastening hardware—making it an indispensable workshop reference for technicians servicing this movement. Whether you're performing a routine overhaul or troubleshooting accuracy issues, these technical instructions provide the specifications and exploded views required for proper reassembly and maintenance.
Ronda 582, 583, 585 Quartz Movement Technical Instructions
Technical service manual for Ronda 582, 583, and 585 quartz movements. This workshop documentation provides everything needed for assembly, calibration, and maintenance of these standard quartz calibers. Includes precise movement dimensions, stem position functions, and complete electrical specifications covering voltage requirements and performance data. Features a comprehensive parts list with component identification, detailed assembly diagrams, and exploded views clarifying the internal structure. Contains hand-setting guidelines for proper dial-train configuration, case mounting requirements for secure installation, and performance benchmarks. Essential reference for watchmakers, horologists, and technicians working with these Ronda movements.
Ronda 6003B Quartz Watch Movement Technical Data Sheet
Technical data sheet for the Ronda 6003B quartz watch movement, an 11.5 ligne caliber engineered for reliable timekeeping in mid-range watch production. This repair and service reference provides complete mechanical specifications: case diameter 26.2 mm with 25.6 mm fitting dimensions, movement height 3.30 mm, and power sourced by battery Nr. 373 rated for 36-month autonomy. Performance parameters document operating range from 0°C to 50°C, magnetic field immunity at 18.8 Oe (1500 A/m), and shock resistance certified to NIHS 91-10 standard. Torque load specifications detail the second hand at 6 µNm and minute hand at 300 µNm, critical data for proper hand-setting assembly. Crown function chart covers neutral position, date correction, and time adjustment modes. The manual includes partial assembly guidance with exploded component diagrams that illustrate key movement parts and their correct orientation and placement within the caliber, supporting both technician reference and production QC inspection.
Ronda 6004B Quartz Movement - Technical Instructions
Technical specifications and parts documentation for the Ronda 6004B quartz movement (11½ ligne). This workshop manual provides detailed assembly diagrams with 15 key components clearly illustrated for reference during repair and maintenance. Covers dimensional specifications including case diameter (Ø 26.2 mm) and movement height (3.30 mm), battery requirements (Nr. 373 with 36-month service life), and complete torque ratings for second hand (6 µNm) and minute hand (300 µNm) mechanisms. Includes full operational parameters such as temperature range (0°C – 50°C), magnetic field resistance, shock resistance classification, and crown position functions for neutral setting, date adjustment, and time correction. An essential service manual and parts reference for technicians working with this common quartz movement platform.
Ronda 6203B Quartz Movement Technical Instructions
Technical specification and assembly instructions for the Ronda 6203.B 11½''' quartz watch movement. This service manual covers detailed dimensions, battery specifications (Nr. 373 with 36-month autonomy), and complete performance data essential for technicians working with this movement. Step-by-step assembly procedures guide you through each numbered component with accompanying illustrations, while electrical checking parameters and test procedures ensure proper functionality. Whether you're servicing an existing movement or assembling from parts, this workshop documentation provides the technical reference needed for accurate work.
Ronda 702–715 Movement Technical Instructions No. 300.5
Technical service manual for Ronda quartz watch movements covering calibers 702, 703, 705, 708, 712, 713, and 715. This comprehensive workshop reference includes movement dimensions and physical specifications, functional descriptions, stem positioning and hand-setting procedures essential for watchmakers and repair technicians. Covers electrical measurements and performance data, dial-train specifications, and detailed casing diagrams for proper case assembly. Features complete parts lists with annotated assembly drawings for both 10.5-line and 11.5-line caliber variants, along with battery specifications and technical requirements for accurate service and repair work.
Ronda 705Li, 715Li - Technical Instructions No. 309.7 - Supplement to No. 300
Technical instructions and supplement to No. 300 for Ronda quartz movements 705Li (10½''') and 715Li (11½'''). This service manual provides complete movement dimensions and height specifications (4.60mm), assembly diagrams with detailed parts lists, electrical measurements (3.0V nominal, 0.4–0.8µA current consumption), performance specifications including torque (6.0 µNm minimum) and power reserve (325 seconds), and battery information (CR 2016, 20.00 × 1.60mm). Precision dimensional drawings include stem thread specifications (Ø 0.90mm) and magnetic field resistance data. Essential reference for technicians servicing these thin quartz movements.
Ronda 706, 706.2, 706.3, 706.B Technical Instructions
Technical service manual for Ronda quartz watch movements covering calibers 706, 706.2, 706.3, and 706.B. This workshop reference provides movement dimensions and mechanical specifications, operational functions including hand-setting and moon phase correction with quick-set features for date, day, month, and week displays, complete electrical and performance data, power consumption ratings, battery selection and compatibility information, dial-train specifications, hand-setting procedures, and comprehensive mechanical assembly diagrams with full component part numbering. An essential resource for watch technicians and repair professionals servicing these Ronda caliber movements.
Ronda 772-788 Quartz Watch Movement Technical Instructions
Technical service documentation for Ronda quartz watch movements, covering calibers 772, 773, 775, 782, 783, 785, and 788. This workshop manual provides watchmakers and technicians with complete assembly and repair specifications: movement dimensions, stem positioning and functional characteristics, dial train specifications, hand setting procedures and adjustment data, case back drawings with machining tolerances, electrical measurements and circuit specifications, battery requirements (SR 621 SW and SR 721 SW mercury-free cells), and rapid date correction protocols for the 775, 785, and 788 models. Assembly diagrams and comprehensive spare parts lists enable efficient service and component replacement.
Ronda Cal. 1032/732 Quartz Movement Technical Instructions No. 311.6
Technical instructions for the Ronda caliber 1032/732 quartz watch movement, a 3 3/4" x 6" module essential for watchmakers and technicians servicing compatible timepieces. This workshop manual covers movement dimensions and performance specifications, explains the function of each component within the assembly, and provides a detailed numbered diagram showing how parts fit together. The guide includes identification of dial-train components for proper alignment during reassembly, battery specifications for the SR 516 SW silver-oxide cell, and all information needed to service or troubleshoot this widely-used quartz caliber. Ideal for watch repair professionals and service centers.
Ronda Cal. 1042 4¼ Line Movement Technical Instructions
Technical instructions and service documentation for the Ronda caliber 1042 quartz movement, a 4¼ line (10.40 mm diameter) mechanism designed for precision timekeeping. This workshop manual provides complete technical specifications and dimensional data essential for repair and maintenance work. Includes detailed stem position and function reference, component assembly diagrams with part identifications, and a comprehensive spare parts list with part numbers and component designations. An essential reference for watch technicians performing caliber 1042 service, adjustment, and parts replacement.
Ronda Cal. 751-751E, 753, 751.24, 762, 762H, 763, 763.24 Technical Instructions No. 303.5
Technical service instructions for Ronda quartz watch movements covering calibers 751, 751E, 753, 751.24, 762, 762H, 763, and 763.24. This workshop manual details movement dimensions and specifications, stem positions and operational functions, performance parameters, and assembly diagrams with component-level illustrations essential for servicing and repair. Includes comprehensive spare parts lists organized by caliber variant, making it an indispensable reference for watch technicians performing maintenance, troubleshooting, and movement restoration on these Ronda quartz calibers.
Ronda Caliber 1005, 1006, 1009 Technical Instructions
Technical instructions and workshop documentation for Ronda quartz watch movements, covering calibers 1005, 1006, and 1009 in 10.5 size format. This service manual provides complete movement specifications including dimensional data, functional operation at each stem position, and detailed electrical and performance measurements. The guide includes comprehensive spare parts lists with exploded component diagrams, assembly drawings marked with lubrication points for proper maintenance, hand adjustment specifications, and case fitting dimensions with technical drawings. Essential reference material for watch technicians, repair professionals, and service centers working with Ronda quartz movements.
Ronda Caliber 726 Electronic Quartz Movement - Parts List
Ronda Caliber 726 Electronic Quartz Movement - Parts List and Technical Data Complete parts list and technical documentation for the Ronda Caliber 726 electronic quartz movement. This 2-motor stepping motor design features 11 jewels, 4.95 mm height, and 12'' diameter (27.00 mm). The service manual provides technicians and horologists with precise spare parts identification and assembly guidance for this complex movement. The documentation covers detailed specifications for 1/2 second, 30 minute, and 12 hour timing displays, integrated moon phase indicator, quick date correction function, 32 kHz quartz oscillator, and Lavet stepping motor frequency adjustment. A comprehensive spare parts catalog lists individual component part numbers for every movement element, enabling accurate ordering and replacement during maintenance or repair. The technical section includes a detailed assembly and lubrication diagram with exploded mechanical view showing component arrangement, gear positioning, and interconnections throughout the movement—essential for understanding spatial relationships between parts and for proper reassembly after service. Ideal for watch repair professionals, restoration specialists, and experienced hobbyists performing Caliber 726 maintenance, troubleshooting, or complete movement overhaul.
Ronda Calibers 502-517 Technical Instructions Manual
Complete technical documentation for Ronda quartz watch movements covering calibers 502, 503, 503S, 505, 505S, 507, 512, 513, 513S, 515, 515S, and 517. This service manual provides movement dimensions, stem positions and functional specifications, hand assembly requirements, dial-train construction details, and electrical measurement procedures. Includes casing diagrams, quick-change date and weekday correction instructions, detailed assembly drawings, and comprehensive spare parts listings. Covers both 10.5 and 11.5 ligne sizes, making this an essential workshop reference for quartz movement repair and maintenance of these popular Ronda calibers.