Seiko Caliber 6139B Automatic Chronograph Parts List
Parts list and materials catalog for Seiko caliber 6139B 17-jewel automatic chronograph movement. Includes numbered part references, mechanical component diagrams, and specifications. Document covers both 17j and 21j variants with detailed parts identification for the 30-minute chronograph recorder mechanism.
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Document Details
- Format
- Pages
- 4
- Size
- 255.4 KB
- Category
- Horlogerie