Omega 1120

The Omega 1120 is a mechanical movement with automatic winding, ball-bearing rotor, hacking seconds, power reserve 44 hours. It is based on the popular ETA 2892-A2 calibre and was the predecessor of the Omega 2500 with co-axial escapement.

Used for example in the series Seamaster.

Cal. 1128

Calibre 1128 adds a 24 hour hand.

Cal. 2400

Calibre 2400 is a skeletonized version of Cal. 1120 with no date function.

Cal 2401

Calibre 2401 is a skeletonized version of Cal. 1120 with no date function in yellow gold.

Manufacturer: Omega Description: Self-winding movement Shock protection Yoke winding system Nivarox-1 balance spring Etachron precision adjustment COSC certified chronometer Elaborate finishing Functions: Central seconds Rapid calendar advance Hacking seconds Data: 11½ lignes D ? mm, H ? mm 23 jewels 28,800 A/h Power reserve 44h Production period: ?