OMEGA Speedmaster watch movement 1140.
Cal. 1140 is a modular movement, combining the thin time-only ETA 2890-2 with a chronograph module (DD 2020) from Dubois Depraz.
Cal. 1140 (1988-1996) – ETA 2890-2 base, gold plating, was mainly used in the Omega Speedmaster Reduced.
Marked on the oscillating mass Ω OMEGA | FORTY-FIVE 45/46 JEWELS | UNADJUSTED | SWISS | 1140
No hours wheel, or any other parts except for what you can see in the photos.
There are two movement versions, with 45 Jewels and with 46 Jewels, please ask for availability before ordering.
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.
The movement is working but it was never tested for precision. As for any other vintage or used movement, a basic revision is recommended.
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.