Omega Calibre 2520 Technical Guide
Technical guide for the Omega Calibre 2520 automatic watch movement—essential reference documentation for horologists and watchmakers. Provides complete mechanical specifications (Ø 19.40 mm, Height 3.60 mm, 20 jewels, 4 Hz frequency, 40-hour power reserve) with detailed exploded views from dial and movement sides for precise component identification. Includes comprehensive spare parts lists with part numbers, factory-specified tightening torques for critical fasteners, and documentation of mandatory service tools and approved lubricants. Features technical improvement notes and engineering modifications, plus comparison data with Calibre 725. Dedicated sections cover hand-setting procedures and instantaneous rate testing methodology. Document reference GT-19-C-038-E.
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Document Details
- Format
- Pages
- 17
- Size
- 4.4 MB
- Category
- Watchmaking