Junghans J71
Mechanical
c. 1956
No photos yet
Notes
1956-1963
option: raised hands
earlier 17" calibre with same designation
Dimensions
| Width | 15.05 lignes (33.95 mm) |
|---|---|
| Height | 3.85 mm |
| Stem height | 0.65 mm |
| Hands (H × M × S) | 1.2 × 0.6 × ? 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 | Zf1010 |
|---|---|
| Height | 7 mm |
| Thickness | 0.08 mm |
| Length | 220 mm |
| Barrel diameter | 1.4 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Junghans |
| Year | c. 1956 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions