ETA 255.481, 255.483, 255.485, 255.487 Calibers - Parts List and Assembly Diagrams
Technical parts identification document for ETA quartz calibers 255.481, 255.483, 255.485, and 255.487. Provides exploded assembly views of the hand-setting mechanism, base movement, and complications with numbered component references. Includes specifications for battery voltage (1.55V), balance wheel dimensions (Ø 9.50 mm, H 1.65 mm), and component part numbers for movement assembly and repair.
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Document Details
- Format
- Pages
- 7
- Size
- 5.6 MB
- Category
- Watchmaking