Omega Calibre 863A Technical Guide and Parts List
Technical specification and parts reference for the Omega calibre 863A, a chronograph movement derived from the calibre 861. This technical guide covers movement dimensions (Ø 27mm, height 6.87mm), performance characteristics (45-hour power reserve, 3Hz beat rate, 18 jewels, 50° lift angle), and a comprehensive parts list with reference numbers and component designations cross-referenced in French, German, and English. Includes detailed photographic documentation of both sides of the movement plate.
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Document Details
- Format
- Pages
- 2
- Size
- 134.7 KB
- Category
- Watchmaking