Seiko Cal.2B21A Parts Catalogue
Seiko Cal.2B21A watch movement parts catalogue with comprehensive exploded diagrams and part-number references. This service manual provides detailed illustrations of the complete movement assembly, breaking down every component from the hour, minute and second hands to the dial, gear train wheels and pinions, battery contacts and connections. Technical specifications are included for screws, jewel bearings, bridges, rotors and all associated mechanical elements. An essential reference for watch repair technicians and service centres performing maintenance, restoration or component replacement on this calibre.
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Document Details
- Format
- Pages
- 4
- Size
- 74.0 KB
- Category
- Watchmaking