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] 2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

Omega - 130.53.41.22.03.001 · $14,500
The Omega Constellation Globemaster Master Chronometer Annual Calendar is a sophisticated timepiece that exemplifies precision and elegance. Its 41mm Sedna™ gold case frames a sun-brushed blue dial with a distinctive pie-pan design and month indicators along the perimeter, offering both style and functionality.

  • Condition: Like new
  • Case size: 41mm diameter
  • Thickness: 14.7mm
  • Lug to lug: 50.1mm
Posted at
Oct 22, 2025, 9:39 AM
Active
[WTS] 1973 Omega Constellation ref. 168.0056 – Gold-Capped Case w/ Solid Gold Bezel & Medallion – Cal. 1011 Chronometer – Serviced July 2025 – $950 ALL-IN

1973 Omega Constellation ref. 168.0056 – Gold-Capped Case w/ Solid Gold Bezel & Medallion – Cal. 1011 Chronometer – Serviced July 2025 – $950 ALL-IN

Omega - 168.0056 · $950
a 1973 Omega Constellation ref. 168.0056 with a gold-capped case, solid gold bezel, and medallion, featuring Cal. 1011 chronometer movement.

  • Case material: gold
  • Bezel material: solid gold
  • Movement: Cal. 1011 Chronometer
Posted at
Oct 21, 2025, 10:22 PM
Active
[WTS] Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1950

Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1950

The Omega Constellation Ref. 14381-11 SC is a fine example from one of Omega’s most respected design periods, produced around 1959 to 1961.

Posted at
Oct 20, 2025, 10:18 PM
Active
[WTS] Omega Constellation. Globemaster. 39mm. ++ Cards and Links. 🔥

Omega Constellation. Globemaster. 39mm. ++ Cards and Links. 🔥

This listing is for an Omega Constellation Globemaster in a 39mm case, with additional photos and links to purchase available.

  • Shipping: Fedex with insurance
  • Shipping Location: NJ USA
  • International Shipping: yes
Posted at
Oct 17, 2025, 5:20 PM
Active
[WTS] Omega Constellation 168.046

Omega Constellation 168.046

Omega - 168.046 · $850
A vintage automatic chronometer, powered by the Omega Caliber 1001 and featuring the iconic Constellation Observatory medallion on the caseback.

  • Condition: Great used condition, shows light scratches consistent with its age
  • Case Size: 36mm
Posted at
Oct 16, 2025, 9:27 AM
Active
[WTS] Omega Constellation 168.0054

Omega Constellation 168.0054

Omega - 168.0054 · $850
A vintage automatic chronometer from the early 1970s with a Day/Date Caliber 1021 and Geneva Observatory medallion on the caseback.

  • Condition: Great used condition with light scratches
  • Case shape: C-Shape design
  • Material: stainless steel
Posted at
Oct 16, 2025, 9:25 AM
Active
[WTS] Omega Constellation Tapered Lug Ref. 14393 61 SC | Great Original Condition (Serviced) | $2100

Omega Constellation Tapered Lug Ref. 14393 61 SC | Great Original Condition (Serviced) | $2100

Omega - 14393 61 SC · $2,160
A timeless example of Omega's refined design from the early 1960s, featuring a stainless steel case with tapered lugs, a silver dial, and an automatic chronometer-certified movement. The watch is in great shape for its age, showing minor signs of wear.

  • Condition: Great original condition, serviced
  • Movement: Caliber 561, chronometer-certified
  • Case size: 34.5mm x 42mm stainless steel case with tapered lugs
  • Dial condition: Original silver dial in good condition with crisp printing and even tone
Posted at
Oct 15, 2025, 10:02 PM
Active
[WTS] 2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

Omega - 130.53.41.22.03.001 · $16,000
The Omega Constellation Globemaster Master Chronometer Annual Calendar is a sophisticated timepiece that exemplifies precision and elegance, featuring a sun-brushed blue dial with month indicators and powered by the Co-Axial Master Chronometer Calibre 8922.

  • Condition: Like new
  • Case size: 41mm diameter
  • Length: 50.1mm lug to lug
  • Thickness: 14.7mm
Posted at
Oct 15, 2025, 9:38 AM
Active