A. Schild Calibre 1780/1781 Technical Specifications and Parts
Technical documentation for A. Schild caliber 1780 and 1781 watch movements manufactured 1780-1781. Caliber 1780 features lever movement with direct sweep second at 21,600 vibrations. Caliber 1781 includes instantaneous date display through dial aperture with quick date-setting. Complete technical specifications in millimeters for cage, escapement, balance wheel, virole, hairspring, barrel, hands, needle, regulator, balance staff, mainspring, and dial components. Includes exploded views and comprehensive parts lists with numbered components for base caliber 1780 and specific parts for caliber 1781 date mechanism.
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Document Details
- Format
- Pages
- 3
- Size
- 4.3 MB
- Category
- Horlogerie