ETA 577.301 and 277.001 Watch Movement Technical Data
Technical data sheet for ETA 577.301 (3 Hz) and 277.001 (4 Hz) watch movements. Complete specification documentation includes frequency variants, detailed dimensional drawings with precise measurements for all components, comprehensive parts list with reference numbers and component illustrations, special parts identification for caliber 277.001, and complete jeweling specifications. Technical specifications cover case dimensions 13.00 x 15.15 mm, gear specifications, balance wheel characteristics, escape wheel parameters, and all structural data for watchmakers and technicians.
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Document Details
- Format
- Pages
- 3
- Size
- 1.8 MB
- Category
- Watchmaking