Eterna 1401U
Mechanical
c. 1952
Self-winding (rotor)
No photos yet
Notes
1952-
early fixed, later mobile stud carrier (cf. Fig.1, 4)
different rotor shapes during production periode, cf. also other calibres of the family
Dimensions
| Width | 16.2 lignes (36.54 mm) |
|---|---|
| Height | 5.25 mm |
| Stem height | 1 mm |
| Hands (H × M × S) | 1.2 × 0.7 × 0.18 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 | Zf822 |
|---|---|
| Height | 6.5 mm |
| Thickness | 0.07 mm |
| Length | 210 mm |
| Barrel diameter | 1.3 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Eterna |
| Year | c. 1952 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions