AS 1644
Mechanical
Date
Day
No photos yet
Notes
differences not known between 1356, 1356N, 1644
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | — |
| Stem height | — |
| Hands (H × M × S) | 1.3 × 0.7 × 0.22 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 45 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes |
| Day | Yes |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1309 |
|---|---|
| Height | 9 mm |
| Thickness | 0.1 mm |
| Length | 290 mm |
| Barrel diameter | 1.6 mm |