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Omega 1040
Last updated: July 26, 2025

Brand
Caliber Number
1040
Production Period
1970 – 1975
Lignes
13.75”’
Diameter
31.0 mm
Height
8.0 mm
Power Reserve
Unconfirmed
Frequency
28,800 bph (4 Hz)
Jewels
22
Escapement
Swiss Lever Escapement
Anti-Shock Device
Incabloc
Hand Count
6+
Manufacture Region
Unconfirmed
Functions
Automatic Chronograph (Central Min), 12-hr Recorder, 24-hr Indicator, Date
Omega 1040 Description
The Omega 1040, based on the Lemania 1340, was Omega’s first automatic chronograph, introduced in 1970. This large, robust caliber is famed for its innovative central minute counter for the chronograph, offering superior legibility. It also features a 12-hour recorder, 24-hour indicator, small seconds, and date. It powered iconic 70s models like the Speedmaster Mark III and Seamaster “Big Blue”.
Watches Using The Omega 1040 Caliber
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