$3.00
Certina 1639, 1640 Winding-up Wheel Jewel Parts Sheet
by CERTINA
Technical parts sheet for Certina watch movements 1639 and 1640. Documents upper and lower winding-up wheel jewels (pierre de roue d'armage) with base caliber references 17-351 and 19-45, applicable to calibers 19-451, 19-55, and 19-551. Includes technical specifications and observation notes.
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Document Details
- Format
- Pages
- 1
- Size
- 424.4 KB
- Category
- Horlogerie