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.
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Document Details
- Format
- Pages
- 5
- Size
- 200.1 KB
- Category
- Horlogerie