Seiko 6139B Automatic Chronograph Parts List
Parts list and exploded views for the Seiko caliber 6139B automatic chronograph movement. Includes component diagrams, part numbers, and material specifications. Two versions documented: 17-jewel (6139B) and 21-jewel (6139B) variants. Features 30-minute recorder, calendar function, and shock-resistant design with case diameter 27.00mm.
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Document Details
- Format
- Pages
- 4
- Size
- 256.1 KB
- Category
- Horlogerie