Omega 28.10RA PC
Mechanical
c. 1943
Self-winding (rotor)
No photos yet
Notes
1943-1949
family 28.10, 30.10 (330...355): 1943-1955, >1300000 (incl. >500000 chronometers)
1949 renamed 28.10RA PC to 340
Dimensions
| Width | 28.1 lignes (63.39 mm) |
|---|---|
| Height | 4.8 mm |
| Stem height | 1.4 mm |
| Hands (H × M × S) | 1.4 × 0.65 × 0.15 mm |
Technical data
| Beat rate | 19,800 vph (2.75 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf490 |
|---|---|
| Height | 8.5 mm |
| Thickness | 0.1 mm |
| Length | 250 mm |
| Barrel diameter | 1.1 mm |