ETA 251.252/251.262/251.272 Movement Technical Documentation
Technical communication document for ETA 251.252, 251.262, and 251.272 watch movements (13¼''' caliber, Ø 30 mm). Contains detailed interchangeability lists, materials specifications, exploded views of main plate, upper plate, and bridges. Includes assembly instructions with torque specifications for display module, calendar mechanism, handsetting and electronic module, and motor circuits. Lubrication recommendations specified for each assembly stage.
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Document Details
- Format
- Pages
- 28
- Size
- 8.1 MB
- Category
- Horlogerie