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Hamilton 770
Ligne: 19'''
Jewels: 7/15
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1920
Diameter: 41.8 mm
Height: 5.35 mm
Hands: 1.76 x 1.10 / 0.28 mm
The Hamilton 770 is an open-face calibre mechanical watch movement with the option of a Breguet hairspring. It features stem wind and set functionality, along with a sub-second hand. The movement was commonly used during approximately 1920.
The Hamilton 770 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.90 x 0.220 x 500 x 17.0 mm | GR5688 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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