Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold Claws / MOP

Reference 123.20.31.20.55.004

About this watch

The Omega Constellation Co-Axial 31 is an exquisite timepiece that embodies the luxurious spirit of Omega while delivering impressive performance. This stunning watch features a round case made from stainless steel adorned with yellow gold claws, a fixed bezel adding modernity to classic elegance. The Mother of Pearl (MOP) dial shimmers and changes color with light, making it a piece of art on your wrist. Coupled with gem-set indexes, this watch is designed to catch eyes and spark conversations. With its automatic movement, 50-hour power reserve, chronometer certification, and Co-Axial escapement, this watch offers remarkable accuracy and longevity. The bracelet feels luxurious against the skin while being sturdy enough for everyday wear. It's adjustable, ensuring a snug fit for various wrist sizes. This watch is perfect for anyone who appreciates the finer things in life.
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Key Features

  • Omega caliber 8520 automatic movement
  • Chronometer certified Co-Axial escapement
  • Stainless steel and yellow gold case
  • Mother of Pearl (MOP) dial
  • Gem-set indexes
  • Water resistance up to 100 meters
  • Adjustable stainless steel and yellow gold bracelet

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold Claws / MOP
Reference
123.20.31.20.55.004
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