Elgin 489
Mechanical
c. 1928
No photos yet
Notes
1928-1929, 32000
hunter calibre, model 1
bimetallic screw balance, Breguet hairspring
Dimensions
| Width | 24.7 lignes (55.72 mm) |
|---|---|
| Height | 3.85 mm |
| Stem height | — |
| Hands (H × M × S) | 1.12 × 0.64 × 0.18 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 34 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.11 mm |
| Length | 290 mm |
| Barrel diameter | 1.3 mm |