Seiko Cal. 5H22A, 5H23A Parts Catalogue & Technical Guide
Seiko Cal. 5H22A and 5H23A Parts Catalogue and Technical Service Guide covering the complete quartz movement architecture. Provides full specifications, step-by-step disassembly and reassembly instructions, comprehensive parts diagrams with factory part numbers, and precise lubrication guidelines for all wear surfaces. Includes detailed technical notes on critical components such as the intermediate wheel for day correction, the fifth wheel and pinion assembly, and circuit block configuration. Features value checking procedures for coil block resistance and current consumption measurement, essential for verifying movement performance and troubleshooting electrical parameters. A complete workshop manual reference for technicians servicing and maintaining these popular Seiko quartz calibers.
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Document Details
- Format
- Pages
- 5
- Size
- 134.1 KB
- Category
- Watchmaking