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Omega 1140

Calibre 1140 is a modular automatic chronograph movement from Omega. Introduced in 1988, it was replaced by the updated Cal. 3220 in 2000.

History

In 1972, Omega introduced an automatic Speedmaster using an integrated movement co-developed with Lemania, Cal. 1040. This was updated as Cal. 1045 in 1974, and remained in production through 1988. In that year, Omega introduced a new movement for the Speedmaster Reduced. Cal. 1140 is a modular movement, combining the thin time-only ETA 2890-2 with a chronograph module (DD 2020) from Dubois Depraz.

The movement was updated in 1996 to become Cal. 1141 and updated again the next year with the new ETA 2892-A2 as Cal. 1143. These were mainly cosmetic and modernization updates, with the core movement remaining mostly the same. In 2000, Omega introduced another refresh, Cal. 3220.

Applications

Cal. 1140 was mainly used in the Omega Speedmaster Reduced.

Versions

  • Cal. 1140 (1988-1996) - ETA 2890-2 base, gold plating
  • Cal. 1141 (1996-1997) - ETA 2890-2 base, rhodium plating, technical modifications
  • Cal. 1143 (1997-2000) - ETA 2892-A2 base, technical modifications
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omega_1140.txt · Last modified: 21.10.2021 08:21 (external edit)

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