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ETA 1087
Jewels: 17
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1894-1904
Diameter: 45.75 mm
Height: 10.1 mm
Hands: 2.46 x 1.27 / 0.30 mm
The ETA 1087 watch movement, produced between 1894-1904, is an open face calibre, model 5 movement. It features a bimetallic screw balance and a Breguet hairspring. The movement also includes a regulator with a nut on a thread bow and a unique ratchet placed under the base plate. Additionally, it incorporates a negative stem mechanism with a rocker bar. The functions of the ETA 1087 movement include stem winding, which can be switched by the crown or lever, as well as a sub second display.
The ETA 1087 features the following functions:
- Stem wind, can be switched 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) |
|---|
Documents
Parts Listing
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