Seiko Quartz Cal.6423A/6429A Technical Service Guide
Comprehensive technical service manual for Seiko Quartz caliber 6423A and 6429A movements. This workshop guide covers complete specifications and circuit block architecture, detailed disassembly and reassembly procedures with proper lubrication protocols, calendar mechanism operation, gear train and circuit block schematics, and the full setting mechanism. Includes extensive checking and adjustment procedures for output signal verification, battery voltage and conductivity testing, coil block performance, reset conditions and train wheel calibration, gear train mechanics, timekeeping accuracy, current consumption analysis, water resistance verification, and cosmetic inspection standards. An essential reference for service technicians working on these reliable quartz calibers.
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Document Details
- Format
- Pages
- 5
- Size
- 244.8 KB
- Category
- Watchmaking