PUW 661
Mechanical
c. 1977
Date
No photos yet
Notes
1977-1979 (661 + 661S)
jewel bearings for barrel
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 4.2 mm |
| Stem height | 1.7 mm |
| Hands (H × M × S) | 1.5 × 0.9 × 0.25 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 50 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes (quick set) |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 10.5 mm |
| Thickness | 0.12 mm |
| Length | — |
| Barrel diameter | 1.15 mm |