The Omega 2500 is a co-axial automatic movement from Omega.

The 2500 is based on the Omega 1120 calibre, which was itself a derivative of the popular ETA 2892-A2. This calibre was the first ever to include the Co-Axial escapement invented by George Daniels on its introduction in 1999. The movement comes in versions 2500A, 2500B and 2500C.

Calibre 2402 is a skeletonized no-date version of Cal. 2500.

Calibre 2403 is a no-date version of Cal. 2500.

Calibre 2507 is a no-date version of Cal. 2500 with “bullet” decorations on the rotor.

Calibre 2627 is a version of Cal. 2500 with small seconds at 9 00 and a power reserve indicator at 6 00.

Calibre 2628 is a version of Cal. 2500 with an adjustable central 24 hour hand.

• Omega 2007 - A similar Co-Axial movement with no seconds
• Omega 2202 - A similar Co-Axial movement with small seconds
• Omega 2610 - A similar Co-Axial movement with big date