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Omega 12" open face
Basic Information
| Name | Omega 12" open face |
|---|---|
| Manufacturer | Omega |
| Launch Year | 1898 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 12 ‴ |
|---|---|
| Dimensions | 26.9 mm |
| Height | 4.2 mm |
| Further Measures | Mounting Diameter (Dm): 26.55mm Regulator: 0.4mm Stem height (T): 1.7mm Mounting Height (F): 0.6mm |
| Power Reserve | 42 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Manual |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Stem Winding (Crown) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.30 x 0.65 / 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: 1898-1923 open face calibre bimetallic screw balance, Breguet hairspring Other data: mainspring / battery: Zf1142, 1.45 x 10.0 x 0.11 x 320mm swiss patent 8760: filed 08-01-1894, Louis Brandt & Frère, CH stem setting mechanism with clutch wheel and rocker bar, prevents moving of hands when switching to winding position, |
| Signature | 1908: - 3228026, Omega, +8760 |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:33:37 PM |
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