ETA 2890 2892 Movement Technical Specifications
Technical specification sheet for ETA 2890 and 2892 watch movements manufactured by Fabrique d'Ebauches ETA S.A. in Grenchen, Switzerland. Includes detailed technical characteristics, dimensional specifications in millimeters, escapement specifications, balance wheel adjustments, and complete parts lists with exploded diagrams showing over 80 numbered components for both basic caliber and specific variations. Movement specifications indicate 4 Hz frequency (28,800 vibrations per hour) with extra-flat design, direct sweep second hand, self-winding mechanism with ball bearing, date correction, and fine timing adjustment.
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Document Details
- Format
- Pages
- 2
- Size
- 2.9 MB
- Category
- Horlogerie