Omega Constellation Constellation Co-Axial 31 Stainless Steel / Red Gold / Diamond / MOP Supernova

Reference 123.25.31.20.55.001

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of horology, combining stunning design with precision engineering. Its 31mm round case, crafted from stainless steel and red gold, exudes elegance and sophistication. The gem-set bezel shines like a constellation, while the mother-of-pearl dial shimmers with a unique texture that's almost like a dance of colors. The dauphine hands are both elegant and easy to read, making this watch perfect for both casual and formal occasions. At its core is the Omega caliber 8520, an automatic movement featuring chronometer certification and a power reserve of 50 hours. With a water resistance of 100 meters, this watch is designed for everyday use while still looking elegant.
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Key Features

  • 31mm round case in stainless steel and red gold
  • Mother-of-pearl dial with unique texture
  • Dauphine hands for easy time-telling
  • Omega caliber 8520 automatic movement with chronometer certification
  • Water resistance of 100 meters
  • Sapphire crystal glass for scratch-resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Red Gold / Diamond / MOP Supernova
Reference
123.25.31.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Chronometer Automatic 1966

Omega Constellation Chronometer Automatic 1966

Omega - 168.004 · $1,199
A 1966 Omega Constellation Chronometer Automatic with a 35mm case, featuring an onyx baton indices dial and a Swiss-made automatic movement.

  • Condition: Pre-owned, unpolished with signs of careful use
  • Case size: 35mm
  • Diameter: 35mm
Posted at
Jul 2, 2025, 5:36 PM
Active
[WTS] Omega Constellation 2 tone, 34mm, $799!

Omega Constellation 2 tone, 34mm, $799!

Omega - Constellation · $799
This Omega Constellation is a two-tone, 34mm watch from the 1990s with an 18k gold case and quartz movement. The dial is extremely clean and has minor scratches on the bezel.

  • Condition: very good
  • Case material: 18k gold
  • Movement type: quartz
  • Case size: 34mm
Posted at
Jul 1, 2025, 10:02 PM
Active
omega constellation ref 14381-2sc 14k gold on Bonklip 9k gold bracelet

omega constellation ref 14381-2sc 14k gold on Bonklip 9k gold bracelet

Omega - 14381-2sc · $3,100.003
This is a 1959 Omega 14k solid gold wristwatch with caliber 551 and serial number 17.xxxxxx. It has been serviced and runs perfectly.

  • Condition: Like new, serviced in July 2019
  • Bracelet material: 9k gold
  • Bracelet weight: 30.3g
  • Caliber: 551
Posted at
Jun 30, 2025, 7:59 PM
Active
[WTS] 1969 Omega Constellation Day-Date ref. 168.016 w/ Cal. 751 – Serviced – $575 shipped

1969 Omega Constellation Day-Date ref. 168.016 w/ Cal. 751 – Serviced – $575 shipped

Omega - 168.016 · $575
A classic 1969 Omega Constellation Day-Date ref. 168.016 powered by the chronometer-rated Cal. 751 movement, featuring a stainless steel case and an original signed crown.

  • Movement: Omega Caliber 751 automatic chronometer
  • Crystal: replacement plexiglass
  • Crown: correct original signed crown
Posted at
Jun 30, 2025, 11:55 AM
Active
[WTS] Omega Vingte Constellation 14381 - 1400$ - DHL

Omega Vingte Constellation 14381 - 1400$ - DHL

Omega - 14381 · $1,400
This Omega Constellation is a vintage watch from the 1960s, featuring an automatic 551 movement and an 18k gold and steel case and bracelet.

  • Condition: Good (9/10)
  • Case Material: 18k or 14k gold and steel
  • Caliber: Automatic 551
Posted at
Jun 30, 2025, 11:26 AM
Active