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Unitas 6431
Jewels: 11
Frequency: 18000 vph
Type: Manual Wind
Period used: 1903-1904
Diameter: 29.63 mm
The Unitas 6431 watch movement was produced between 1903-1904 with a total production of 7000 units. It features a hunter calibre, model 2, and is equipped with a bimetallic screw balance and Breguet hairspring. The movement also incorporates a negative stem mechanism, allowing for stem winding and setting. It includes a sub-second function.
The Unitas 6431 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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