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Omega 285
Specifications | |
|---|---|
Brand | |
Caliber Number | 285 |
Production Start Year | Unconfirmed |
Production End Year | Unconfirmed |
Lignes | 13.3”’ |
Diameter | 30.0 mm |
Height | 5.1 mm |
Power Reserve | |
Frequency | 18,000 bph (2.5 Hz) |
Jewel Count | 17 |
Escapement | |
Anti-Shock Device | Incabloc |
Hand Count | 3 (Hours, Minutes, Sweep Seconds) |
Manufacture Region | |
Functions | Manual Winding, Sweep Seconds |
Omega 285 Description
The Omega 285 is a revered manual-wind caliber from the final generation of the brand’s famed 30mm movement family, produced from 1958-1961. As a direct predecessor to the Cal. 286, it is a robust, time-only movement with a sweep-seconds hand. It was a workhorse of its era, famously powering “Seamaster 30” and “Geneve” models, and represents the continuous refinement of the legendary 30T2 SC design.