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ETA 2801-2
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1916
Diameter: 43.1 mm
Height: 6.65 mm
Hands: 1.65 x 0.92 / 0.25 mm
The ETA 2801-2 mechanical watch movement, also known as the open face calibre, model 7, was produced in 1911 with a total of 1000 units. It features a bimetallic screw balance and a Breguet hairspring. The movement incorporates a negative stem mechanism, allowing for the switching between winding and setting with the stem in the lever position. The escapement of the ETA 2801-2 has been modified compared to models like 210, offering improved functionality. Additionally, this movement includes stem wind capabilities with switching available via the crown or lever. It also features a sub-second dial. The ETA 2801-2 movement was commonly used around the period of 1916.
The ETA 2801-2 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 |
|---|---|---|---|
| 2.64 x 0.190 x 560 x 16.0 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
| Part Description | Reference # | Alternate | Buy |
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