Seiko Cal. 4N00B, 4N20B, 4N01B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 4N00B, 4N20B and 4N01B. Includes specifications, exploded diagrams, part numbers, disassembly and reassembly procedures, lubrication instructions, circuit block structure, and value checking parameters. Covers hands, dial, wheels, pinions, rotor, coil block, battery connections, and main plate components.
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Document Details
- Format
- Pages
- 7
- Size
- 255.7 KB
- Category
- Horlogerie