Certina 611 612 Technical Data - Jewel Specifications
Technical caliber reference document for Certina 611 and 612 movements specifying jewel requirements for fourth wheel lower bearing (611) and sweep second pinion upper bearing (612) positions. Includes caliber compatibility cross-reference covering calibers 230, 248, 251, 260, 304, 320, 324, 12-10, 13-50, 15-20, 15-21, 17-10, 19-10, 19-14, 19-45, 23-30, 23-35, and 25-65. Essential reference for watchmakers identifying correct jewel specifications during movement service and caliber verification.
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Document Details
- Format
- Pages
- 1
- Size
- 834.0 KB
- Category
- Watchmaking