Longines 19AD
Mechanical
c. 1954
Self-winding (rotor)
Date
No photos yet
Notes
1954-
excenter winding mechanism
early samples with Breguet hairspring
Dimensions
| Width | 25.3 lignes (57.07 mm) |
|---|---|
| Height | 6 mm |
| Stem height | — |
| Hands (H × M × S) | 1.35 × 0.76 × ? mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | 50 ° |
| Power reserve | 39 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3196-X |
|---|---|
| Height | 1.3 mm |
| Thickness | 0.08 mm |
| Length | 280 mm |
| Barrel diameter | 8 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Longines |
| Year | c. 1954 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions