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Eterna 403
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1895-1899
Diameter: 43.1 mm
Height: 6.65 mm
Hands: 1.65 x 0.92 / 0.25 mm
The Eterna 403 watch movement is an open face calibre, specifically the model 7, which was produced in a quantity of 5000 units between 1895 and 1899. It features a bimetallic screw balance and a Breguet hairspring for enhanced precision. The movement incorporates a negative stem mechanism, allowing for convenient switching between winding and setting by using the stem. Additionally, this movement includes functions such as stem wind with switching capabilities via the crown or lever, as well as a sub second feature.
The Eterna 403 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 |
|---|---|---|---|
| 2.60 x 0.205 x 540 x 17.0 mm | GR6806DBH | DBH | 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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