ETA 2540
Mechanical
c. 1965
No photos yet
Notes
1965-1972
differences unknown: 2540, 2544
Dimensions
| Width | 17.2 lignes (38.8 mm) |
|---|---|
| Height | 3.3 mm |
| Stem height | 1.05 mm |
| Hands (H × M × S) | 1.2 × 0.7 × 0.2 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | 51 ° |
| Power reserve | 44 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 1.32 mm |
| Thickness | 0.88 mm |
| Length | 245 mm |
| Barrel diameter | — |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | ETA |
| Year | c. 1965 |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions