IWC Calibers Technical Data Sheet - Specifications and Parts Reference
IWC technical data sheet providing comprehensive specifications and parts reference for multiple watch movements manufactured by International Watch Co., Schaffhausen. This service manual covers caliber base numbers, gear ratios designated as Grandeur, derived caliber references, and complete technical measurements essential for watchmaking repair and maintenance work. Includes detailed specifications for calibers 41, 44, 85, 88, 401, 402, 431, 432, 853, 854, 952, and 972—block numbers, shock protection data (Incabloc system specifications), pivot dimensions, and individual component specifications. An essential technical reference for watchmakers, technicians, and service centers requiring precise caliber data for workshop operations and parts identification.
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Document Details
- Format
- Pages
- 1
- Size
- 649.7 KB
- Category
- Watchmaking