Junghans 680.70 (J80)
Mechanical
c. 1931
No photos yet
Notes
1931-1953
early samples with separate cock for escapement wheel
Dimensions
| Width | 23.3 lignes (52.56 mm) |
|---|---|
| Height | 4.2 mm |
| Stem height | — |
| Hands (H × M × S) | 1.41 × 0.79 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 40 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1469 |
|---|---|
| Height | 9 mm |
| Thickness | 0.1 mm |
| Length | 290 mm |
| Barrel diameter | 1.8 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Junghans |
| Year | c. 1931 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions