Seiko Digital Quartz Cal. 0644A & 0664A Technical Guide
Technical service manual for Seiko digital quartz watches Cal. 0644A and 0664A. Covers specifications, operating methods, display and button functions, time setting procedures, disassembly and reassembly of case and movement, cleaning procedures, and checking and adjustment guide with malfunction diagnostics table.
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Document Details
- Format
- Pages
- 14
- Size
- 611.1 KB
- Category
- Horlogerie