ETA 2550 2551 Automatic Watch Movement Parts & Specs
Technical specifications and parts catalog for ETA caliber 2550 and 2551 automatic watch movements. Cal. 2550 features lever movement with self-winding, direct sweep second hand and 21,600 vibrations. Cal. 2551 includes instantaneous date display with quick date-setting. Document contains detailed dimensional specifications in millimeters for cage, escapement, balance wheel, virole, pillar, barrel spring, braking spring, needle, hour wheel, date setting mechanism, and cadran. Includes comprehensive parts list with numbered illustrations showing mainplate and component assembly views.
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Document Details
- Format
- Pages
- 3
- Size
- 4.8 MB
- Category
- Horlogerie