ETA 255.241 Chronograph Movement Service Documentation
Technical service documentation for ETA 255.241 chronograph movement. Contains parts list with supplier numbers, technical specifications and dimensional drawings, assembly instructions for calendar mechanism and chronograph module, detailed mechanical drawings with tolerance specifications, technical recommendations for battery limiting spring No. 4412 and chronograph plate installation, hand-fitting specifications, and electrical test procedures for quartz chronograph calibers 255.411, 255.111, 255.121, and 255.122.
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Document Details
- Format
- Pages
- 5
- Size
- 4.1 MB
- Category
- Horlogerie