Authentic OMEGA Speedmaster watch movement cal. 1141 (ETA 2890A2 with DD2020)


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OMEGA Speedmaster watch movement 1141, the improved version of the older Calibre 1140.

Cal. 1141 is a modular movement, combining the thin time-only ETA 2890A2 with a chronograph module (DD 2020) from Dubois Depraz.

Cal. 1141 – ETA 2890-2 base, was mainly used in the Omega Speedmaster Reduced.

Marked on the oscillating mass Ω OMEGA  1141, and on the movement | FORTY-FIVE 45 JEWELS | UNADJUSTED | SWISS

No hours wheel or any other parts except for what you can see in the photos.

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.