Seiko Cal. 4N00B, 4N20B, 4N01B Parts Catalogue and Technical Guide
Seiko Cal. 4N00B, 4N20B, and 4N01B quartz watch movement parts catalogue and technical service guide. This workshop manual provides detailed specifications, exploded component diagrams with part numbers, step-by-step disassembly and reassembly procedures, and lubrication protocols for routine maintenance. Covers all major assemblies including hands, dial, gear trains, rotor assembly, coil block, battery connections, and mainplate, along with circuit block architecture and essential value-checking parameters for technicians performing movement repair and overhaul.
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Document Details
- Format
- Pages
- 7
- Size
- 255.7 KB
- Category
- Watchmaking