Omega 261
Mechanical
c. 1939
No photos yet
Notes
1939-1963, 3000000 (whole family except 269,286)
Breguet hairspring
from 1943 Incabloc
Dimensions
| Width | 30 lignes (67.67 mm) |
|---|---|
| Height | 4.05 mm |
| Stem height | 0.5 mm |
| Hands (H × M × S) | 1.4 × 0.75 × 0.19 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | 49 ° |
| Power reserve | 44 h |
| Jewels | — |
| Shock protection | Incabloc |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR4227 |
|---|---|
| Height | 1.5 mm |
| Thickness | 0.14 mm |
| Length | 320 mm |
| Barrel diameter | 11.5 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Omega |
| Year | c. 1939 |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions