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Omega 331
Ligne: 13'''
Jewels: 25
Lift Angle: 50°
Power Reserve: 40 hrs
Frequency: 28800 vph
Type: Automatic
Period used: 1979-1982
Diameter: 29.4 mm
Height: 5.25 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Omega 331 is a mechanical watch movement introduced during the period of 1979-1982. It is an automatic movement that features a sweep seconds hand. The movement also includes a day display positioned at 12 o'clock, which can be quickly set. Additionally, it provides a quickset function for the date display. A notable feature of the Omega 331 is the option for a hack feature.
The Omega 331 features the following functions:
- Automatic Winding
- Date: quickset
- Day and Date Display
- Day: curved at 12h, quickset
- Hack feature
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.125 x 420 x 10.5 mm | GR3149X | Auto | Buy mainspring |
| 1.23 x 0.134 x 400 x 10.5 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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