ETA 256.511 / 256.561 Technical Data
Technical data sheet for ETA quartz movements 256.511 and 256.561. Includes thermo-compensation specifications, movement and battery stack heights (1.95-2.45 mm and 2.10-2.60 mm respectively), hand-fitting dimensions with main plate stepping measurements (Ø 18.20 mm), and complete parts lists with component reference numbers for both caliber variants. Essential reference for watch technicians and service professionals.
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Document Details
- Format
- Pages
- 2
- Size
- 706.4 KB
- Category
- Watchmaking