Seiko Quartz Cal. 7320A 7321A Technical Guide
Technical guide for Seiko quartz movements Cal. 7320A and Cal. 7321A. Covers specifications, circuit block structure, disassembly and reassembly procedures for hand setting mechanism and clutch wheel regulation. Includes checking and adjustment procedures for output signal, battery voltage, conductivity, coil block, reset and train wheel settings, accuracy calibration, and current consumption. Features detailed exploded diagrams and component identification.
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Document Details
- Format
- Pages
- 5
- Size
- 204.3 KB
- Category
- Horlogerie