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Omega 681
Ligne: 13'''
Jewels: 19
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1964-
Diameter: 29.4 mm
Height: 6.35 mm
Hands: 1.52 x 1.00 x 0.18 mm
The Omega 681 watch movement, introduced in 1964 and having similarities with the 4121 movement, encompasses several functional features. It operates automatically and includes a sweep second function. The day function is adjustable by changing the time between 22:00 to 00:45 hours, while the date can be quickly set by pulling the crown repeatedly. Additionally, it includes a month display. The 4120 movement was utilized for an undisclosed period of time.
The Omega 681 features the following functions:
- Automatic Winding
- Date (quickset by repeated pulling the crown)
- Day (set by changing 22-0:45h)
- Month
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CROWN WHEEL RING | 057-10 | 422/702 | Buy part |
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