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Cyma Tavannes 054
(Cyma, Tavannes)
Jewels: 17
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1897-1899
Diameter: 45.75 mm
Height: 10.1 mm
Hands: 2.46 x 1.27 / 0.30 mm
The Cyma Tavannes 054 watch movement was produced between 1897 and 1899, with a total of 10,120 units manufactured during that period. This open face calibre, known as model 5, features a bimetallic screw balance and a Breguet hairspring. The movement also includes a regulator with a nut on the thread bow, an unusual ratchet under the base plate, and a negative stem mechanism with a rocker bar. Its functions include stem winding, which can be switched using either the crown or lever, and a sub second display.
The Cyma Tavannes 054 features the following functions:
- Stem wind, switching by crown or lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.92 x 0.222 x 570 x 17.5 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) |
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Documents
Parts Listing
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