Seiko Quartz Cal. 1E20A & 1E50A Technical Guide
Technical manual for Seiko quartz movements Cal. 1E20A and 1E50A. Covers specifications, circuit block structure, disassembly and reassembly procedures with lubrication points, detailed parts identification with numbered diagrams, and checking and adjustment procedures including output signal, battery voltage, coil block, reset condition, accuracy adjustment, and current consumption testing.
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Document Details
- Format
- Pages
- 5
- Size
- 214.4 KB
- Category
- Horlogerie