Seiko 4N00B, 4N01B, 4N20B Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements 4N00B, 4N01B, and 4N20B. This workshop manual contains detailed specifications, exploded views of all movement components, comprehensive parts listings with part numbers for ordering and replacement, step-by-step disassembly and reassembly procedures, lubrication guidelines for optimal performance, and essential technical information on circuit block structure, hand installation methods, battery connection protocols, train wheel bridge adjustment, and value checking procedures. An indispensable service reference for watch technicians and repair professionals working with these standard-production Seiko quartz calibres.
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Document Details
- Format
- Pages
- 7
- Size
- 256.3 KB
- Category
- Watchmaking