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Omega Caliber 570

Omega Caliber 570

Omega Caliber 570

Brand Omega
Caliber Number 570
Movement Type Automatic
Diameter 24.9mm
Jewels 17
Power Reserve Unknown (please add to comments below…)
Vibrations Per Hour 19,800
Anti-Shock System Incabloc
Antimagnetic? Yes (needs confirmed)
Features Hours, minutes, central seconds hand
Country of Manufacture Switzerland
Known Models 1960s Seamaster (Ref:  14725)

The Omega caliber 570 is a Swiss made automatic movement with 17 jewels and adjusted in two positions. This movement was first introduced in 1958 and was used in Unishell Seamaster watches into the 1960s. “Unishell” indicates that the case opens on the dial side.

Caliber 570 VS 571

There is a similar Omega caliber 571 which, according to Omega, was also introduced in 1958. The caliber 570 has 17 jewels and the 571 has 24. Many watches that were imported to USA back then featured 17 jewels because anything over that would incur additional customs charges. This would also explain the “OXG” stamp to the right of the swan neck regulator in the picture above. OXG is one of the 3 letter import codes found on many raw Omega movements (cased by Norman Morris) that were intended for the American market.

Additional Resources:

Caliber submitted by Ron B.

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I had a watch with this 570 caliber in it. This makes me wish I didn’t sell it even though it was on the smaller side. This also makes me want a 571 with the higher jewels since it would not been as common a watch then.


Why does this movement look silver when it should look like copper?