Certina 5415 Ratchet Wheel Screw and 5420 Crown Wheel Screw Technical Data
Certina technical reference covering ratchet wheel screws (part 5415) and crown wheel screws (part 5420) with comprehensive caliber compatibility data. Essential reference document for watchmakers servicing Certina movements, detailing screw specifications applicable to base calibers 230, 240, 248, 260, 350, 13-50, 17-351, 25-45 and their variants. Ensures correct component identification and selection during movement repair and assembly work.
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Document Details
- Format
- Pages
- 1
- Size
- 571.5 KB
- Category
- Watchmaking