Hamilton 620 (Buren 1005)
Mechanical
c. 1957
Self-winding (rotor)
No photos yet
Notes
1957-1962
first movement family with micro rotor
selfwinding gear with direction switching by a pinion floating between two huge jewels (Fig.4)
in 17-jewels variants one of these jewels substituted by polished steel disc
Dimensions
| Width | 28.15 lignes (63.5 mm) |
|---|---|
| Height | 4.2 mm |
| Stem height | 1.5 mm |
| Hands (H × M × S) | 1.5 × 0.9 × 0.22 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.1 mm |
| Length | — |
| Barrel diameter | 1 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Hamilton |
| Year | c. 1957 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions