Omega 12" open face
Mechanical
c. 1898
No photos yet
Notes
1898-1923
open face calibre
bimetallic screw balance, Breguet hairspring
Dimensions
| Width | 26.55 lignes (59.89 mm) |
|---|---|
| Height | 4.2 mm |
| Stem height | 0.6 mm |
| Hands (H × M × S) | 1.3 × 0.65 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1142 |
|---|---|
| Height | 10 mm |
| Thickness | 0.11 mm |
| Length | 320 mm |
| Barrel diameter | 1.45 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Omega |
| Year | c. 1898 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions