ETA 251.252/262/272 Chronograph Movement Technical Data - Counter Wheels and Parts List
Technical documentation for ETA chronograph movements 251.252, 251.262, and 251.272. This reference material provides detailed counter wheel diagrams, chronograph part assembly sequences with complete parts lists organized by caliber, lubrication specifications with viscosity recommendations, and component identification for optimal movement maintenance. Essential technical reference for horologists servicing these precision chronograph movements.
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Document Details
- Format
- Pages
- 14
- Size
- 3.4 MB
- Category
- Watchmaking