OMEGA Calibre 1140 Automatic Chronograph Watch Movement 2890-2 & DD 2020
Omega original watch movement for Omega Speedmaster Reduced watches or other compatible models.
The Omega 1140 caliber is a modular movement combining the ETA 2890-2 base with the Dubois Depraz 2020 chronograph module.
Cal. 1140 (1988-1996) – ETA 2890-2 base, gold plated.
Self‑winding chronograph movement with gold‑plated finish.
Power reserve: 42 hours
Type: Self winding
The oscillating weight is decorated with “Cotes de Geneve” stripes and is engraved Ω | OMEGA | FORTY-SIX 46 JEWELS | UNADJUSTED | SWISS | 1140. The movement is marked X1A | 2890-2.
The dial layout is 3 – 6 – 9, with small seconds at 3:00, chronograph seconds by central watch hand, 30 minutes at 9:00 and 12 hours at 6:00.
The movement works well and is keeping a pretty accurate time. As for any other vintage or unused movement, 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 article.
All the movements in our offers are original 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.
ETA 2890 – 2
ca. 42 hours
Self-Winding, Small second, Swiss Made