Longines 12.68Z
Mechanical
c. 1938
No photos yet
Notes
1938-
early samples with bimetallic balance
Dimensions
| Width | 27 lignes (60.91 mm) |
|---|---|
| Height | 4.25 mm |
| Stem height | 0.5 mm |
| Hands (H × M × S) | 1.32 × 0.75 × 0.22 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | 44 ° |
| Power reserve | 41 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR5153-T |
|---|---|
| Height | 1.75 mm |
| Thickness | 0.11 mm |
| Length | 280 mm |
| Barrel diameter | 9.5 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Longines |
| Year | c. 1938 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions