Omega Cal. 860/861/910/930 Chronograph Technical Data 1970
Technical guide for Omega chronograph calibres 860, 861, 910, and 930 from 1970. Features detailed technical specifications including case diameter (27 mm), jewel count (17 jewels), power reserve (50 hours), frequency (21,600 A/h), and lift angle (50°). Includes mechanical movement diagrams for all four calibres showing component layouts and relationships, complete parts identification with Omega part numbers for the chrono-mechanism, and operating instructions for the push-pieces. Reference documentation for technicians and collectors.
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Document Details
- Format
- Pages
- 12
- Size
- 661.0 KB
- Category
- Watchmaking