Eterna 520H
Mechanical
No photos yet
Notes
first Eterna calibre for gents wrist watches
early samples with old and new mounting threads (photos)
Dimensions
| Width | 26.5 lignes (59.78 mm) |
|---|---|
| Height | 4 mm |
| Stem height | — |
| Hands (H × M × S) | 1.38 × 0.8 × 0.21 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf968 |
|---|---|
| Height | 10.5 mm |
| Thickness | 0.13 mm |
| Length | 300 mm |
| Barrel diameter | 1.35 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Eterna |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions