|
Omega Calibre 861 Movement Specifications, Beat Rate & Dimensions |
|
Technical Caliber Datasheet
| Manufacturer | Omega |
| Caliber Reference | Calibre 861 |
| Movement Type | Cam Chronograph |
| Diameter (Lignes) | 12''' |
| Diameter (mm) | 27.0 |
| Movement Thickness | 5.67 |
| Jewel Count | 17 Jewels |
| Vibrations Per Hour | 21,600 BPH (2.5 Hz) |
| Balance Lift Angle | 50° |
| Power Reserve | 48 hours |
| Escapement Type | Cam-actuated lever |
| Shock Protection System | Incabloc |
| Production Era | 1968-1996 |
| Wristwatch Conversion Rating | Speedmaster Professional Moonwatch |
Historical & Mechanical Notes
The Omega Calibre 861 is revered among horologists for its mechanical architecture and precision timing characteristics. Operating with an oscillation rate of 21,600 BPH and a 50° lift angle, this movement exemplifies vintage fine watchmaking standards.
Copyright © 1985-2026 Antique Watch & Clock World. All rights reserved.