OMEGA Caliber 1155 Automatic Chronograph Watch Movement ETA 7750


Out of stock

Out of stock

Authentic Omega automatic Caliber 1155 watch movement, the integrated Chronograph based on the ETA/Valjoux 7750.

Chronograph counters at 6:00, 9:00 and 12:00.


Omega Caliber 1155, Swiss Made. Automatic calibre.

Diameter: 30.40 mm (13 ¼”) – 25 rubies. Rapid day and date correction.


Balance frequency: 28,800 vibrations per hour (4 Hz).

Power reserve: about 46 hours.


Hours — minutes — small seconds at 9 o’clock. Chronograph counter: hours – minutes.

Central seconds counter. Date.


Oscillating mass: “Côtes de Genève”*, engraved “OMEGA — 1155”.

The movement is new but it was never tested for precision, so a basic revision is recommended.

The article is sold “as is” – any other parts that are not mentioned in the description or shown in the photos are not included with this movement.

All the movements in our offers are service or replacement parts meant to be used by professionals for watch servicing. The movements are handled and stored in different boxes or containers, operations that may affect their accuracy. These movements are supposed to be cleaned, oiled, timed or adjusted by a professional before fully corresponding to the manufacturer specifications.




Base Movement

ETA 7750


Chronograph, Date Indicator, Self-Winding, Swiss Made


28800 A/h