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Omega 551
Ligne: 12.75'''
Jewels: 17
Power Reserve: 46 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1948-1950
Diameter: 28.8 mm
Height: 7.05 mm
Hands: 1.15 x 0.78 mm
The Omega 551 watch movement, produced during the period of 1948-1950, features a Breguet hairspring. Detailed differences between the 223A and 228A are currently undisclosed. The movement encompasses various functions including automatic (bumper) winding, a sweep second hand, a day indicator, and a date hand that can be set using a pusher located at the 8 o'clock position. Additionally, a month indicator is present, operable through a pusher at the 9:20 o'clock position.
The Omega 551 features the following functions:
- Automatic (bumper)
- Date hand: set by pusher at 8h
- Day
- Month: set by pusher at 9:20h
- Sweep second
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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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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