ETA 2770, 2772, 2782 Watch Movement Technical Specifications
Technical documentation for three ETA watch movements (calibers 2770, 2772, 2782) from ETA S.A. Grenchen. Includes detailed technical specifications with dimensions in millimeters, mechanical descriptions of movements (lever escapement, self-winding, direct sweep second), illustrated parts lists with numbered component references and exploded views. Cal. 2770: automatic movement with central second. Cal. 2772: instantaneous date display through aperture, quick date-setting. Cal. 2782: date corrector. Contains specifications for cage, escapement, balance wheel, spiral, barrel, hands, winding stem, cadran, and adjustment needles. Includes French, English and German technical descriptions.
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Document Details
- Format
- Pages
- 3
- Size
- 1.7 MB
- Category
- Horlogerie