Seiko Cal. 5Y01A, 5Y02A, 5Y13A Technical Guide
Technical service manual for Seiko quartz watch movements Cal. 5Y01A, 5Y02A, and 5Y13A, covering the complete repair and maintenance workflow. Contains full specifications, circuit block architecture, detailed disassembly and reassembly instructions with component identification, lubrication data, and checking and adjustment procedures. The movements employ a step motor driving system with load-compensated driving pulse technology, essential knowledge for watchmakers performing service work on these calibers.
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Document Details
- Format
- Pages
- 6
- Size
- 158.0 KB
- Category
- Watchmaking