Eterna 1321U
Mechanical
c. 1951
Self-winding (rotor)
No photos yet
Notes
1951-1953
equivalent ETA family 1306-1320 without ball bearing
Dimensions
| Width | 23.3 lignes (52.56 mm) |
|---|---|
| Height | 5.5 mm |
| Stem height | 1 mm |
| Hands (H × M × S) | 1.3 × 0.8 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 39 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 8 mm |
| Thickness | 0.08 mm |
| Length | — |
| Barrel diameter | 1.3 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Eterna |
| Year | c. 1951 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions