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Omega 861
Ligne: 8.75'''
Jewels: 15/17
Lift Angle: 52°
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 19.7 mm
Height: 3.3 mm
Hands: 1.20 x 0.60 / 0.18 mm
The Omega 861 watch movement is a manual wind movement with a sub-second function. It belongs to a series of movements that includes the Omega 861, 631, 632, and 633. The differences between these movements are not known. The Omega 861 movement was commonly used during the approximate period of 1955.
The Omega 861 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4413 | Ordinary/None | Buy staff |
| 5097 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.080 x 260 x 7.5 mm | GR40771 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Parts Listing
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