Seiko Quartz Cal. 8122A and 8123A Technical Guide
Technical guide for Seiko quartz movements Cal. 8122A and Cal. 8123A. Covers specifications, circuit block structure, load-compensating driving pulse system, complete disassembly and reassembly procedures with numbered parts identification, lubrication instructions, and detailed checking and adjustment procedures including output signal verification, hand setting, battery voltage and conductivity tests, coil block testing, gear train mechanism inspection, accuracy adjustment, current consumption measurement, and switch component conductivity checks.
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Document Details
- Format
- Pages
- 5
- Size
- 214.7 KB
- Category
- Horlogerie