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Unitas 215
Jewels: 7
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1898-1899
Diameter: 39.75 mm
Height: 5.0 mm
Hands: 1.50 x 0.92 / 0.26 mm
The Unitas 215 watch movement, produced between 1898-1899, had a total production of 17,000 units. It featured an open face calibre, specifically the model 3. The movement included a bimetallic screw balance and a Breguet hairspring. Additionally, it incorporated a negative stem mechanism with an additional lever. With the lever in a specific position, it allowed for both winding and setting using the crown. The movement offered stem wind and set functionality, along with a sub second display.
The Unitas 215 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 |
|---|---|---|---|
| 2.05 x 0.200 x 520 x 15.5 mm | 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) |
|---|
Documents
Parts Listing
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