Landeron 189
Mechanical
c. 1937
Date
Chronograph
No photos yet
Notes
1937-1970, >3.500.000 (all derivatives based on Landeron 48)
There were various chrono mechanisms. And as their parts often were interchangable, occasionally series were produced with parts of different calibres.
Dimensions
| Width | 31 lignes (69.93 mm) |
|---|---|
| Height | 6.85 mm |
| Stem height | 1.25 mm |
| Hands (H × M × S) | 1.85 × 1.3 × 0.28 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | 42 ° |
| Power reserve | 41 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | Yes |
Mainspring
| GR code | GR3530 |
|---|---|
| Height | 1.35 mm |
| Thickness | 0.15 mm |
| Length | 380 mm |
| Barrel diameter | 12 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Landeron |
| Year | c. 1937 |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions