Omega 1012

Last updated: August 4, 2025
Close-up of a copper-colored mechanical watch movement with visible gears and intricate parts.

Brand

Caliber Number

1012

Production Period

1972 – 1984

Lignes

12.5”’

Diameter

27.9 mm

Height

4.25 mm

Power Reserve

Unconfirmed

Frequency

28,800 bph (4 Hz)

Jewels

17 or 23

Escapement

Swiss Lever Escapement

Anti-Shock Device

Incabloc

Hand Count

3 (Hours, Minutes, Sweep Seconds)

Manufacture Region

Unconfirmed

Functions

Automatic Winding, Sweep Seconds, Hacking, Quick-set Date

Omega 1012 Description

The Omega 1012 is a widely produced automatic caliber from the brand’s in-house 10xx family, their first high-beat series. Produced from 1972, this slim movement runs at 28,800 bph and features hacking seconds and a quick-set date. It was a modern workhorse used in many Seamaster, Geneve, and Constellation models and came in both 17 and 23 jewel versions.

Watches Using The Omega 1012 Caliber

A silver Omega Genève automatic wristwatch with a brown suede strap, black Arabic numerals, a date window at 3 o’clock, and silver hour and minute hands on a white textured dial.
Geneve

Omega Geneve 166.0168

1973-1978
36mm
A stainless steel Omega Seamaster Cosmic 2000 166.137 wristwatch with a black dial, luminous hour markers, date window at 3 oclock, rotating bezel, and metal bracelet, photographed against a plain background.
Seamaster

Omega Seamaster Cosmic 2000 166.137

1972-1976
39mm