ETA 255.265 - 255.266 Technical Data and Parts List
Technical identification and parts list for ETA calibers 255.265 and 255.266 watch movements. Provides detailed specifications including movement diameter (Ø 25.60 mm), height measurements (2.45 mm and 2.60 mm), and complete dimensional data for hand-fitting and assembly. Includes identification diagrams showing movement layout, mainspring and barrel positioning, along with technical drawings of both caliber variants. Comprehensive parts specifications table with measurements for all components including cannon pinion, hour wheel, minute wheel pinion, second wheel, and center tube. Features detailed mechanical drawings with precise dimensional parameters for proper hand and component positioning.
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Document Details
- Format
- Pages
- 6
- Size
- 4.5 MB
- Category
- Watchmaking