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

Reference 123.20.31.20.55.004

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

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] Omega Quartz Constellation 18k Gold Plated Coin Case for sale $399 - Shipped

Omega Quartz Constellation 18k Gold Plated Coin Case for sale $399 - Shipped

Omega - Quartz Constellation · $399
For sale is an Omega Quartz Constellation in a 18k gold plated case, with an aftermarket Hirsch leather strap.

  • Condition: New
  • Case material: 18k gold plated
  • Case diameter: 36.8mm (including crown)
  • Lug-to-lug length: 38.6mm
Posted at
Feb 25, 2026, 2:41 PM
Active
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[WTS] Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega - 168.005 · $1,860
The Omega Constellation Ref. 168.005 “Türler” is a vintage watch from the early to mid-1960s with a stainless-steel case and flat silver dial. It features applied markers, dauphine hands, and a framed date window, making it a unique example of Omega's collaboration with the historic Swiss jeweller Türler.

  • Condition: Good Condition (Serviced)
  • Case size: 34.5mm
  • Movement: Caliber 561 (24-jewel chronometer-rated)
  • Power reserve: 50 hours
Posted at
Feb 24, 2026, 10:46 PM
Active
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[WTS] 1966 OMEGA CONSTELLATION WATCH

1966 OMEGA CONSTELLATION WATCH

Omega - 168.005 · $3,000
A modern vintage grail, 1966 Omega Constellation in UNPOLISHED/UNTOUCHED condition featuring the "dog leg" lugs and a cross-hair dial.

  • Condition: UNPOLISHED/UNTOUCHED with minor scratches on case and caseback
  • Case diameter: 34mm
  • Case length: 42.7mm (lug tip to lug tip)
  • Movement serial #: 24501601
Posted at
Feb 24, 2026, 7:13 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Globemaster - $4600 shipped

Omega Constellation Globemaster - $4600 shipped

Omega - Constellation Globemaster · $4,600
This Omega Constellation Globemaster is the first watch to be METAS certified and features a 39mm case size. It comes with additional straps, including a Hirsch leather strap.

  • Condition: great working condition
  • Length: 7 inches
Posted at
Feb 24, 2026, 12:48 PM
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[WTS] OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

Omega - 123.10.38.21.01.001 · $1,699
A Constellation model from Omega with automatic movement and original case and bracelet.

  • Condition: Good (9/10)
  • Movement: Automatic 2500
  • Case Dimensions: 35mm diameter
  • Serviced: 2026
Posted at
Feb 24, 2026, 10:21 AM
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[WTS] Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega - Constellation Manhattan Quartz · $899
a quartz-powered Omega Constellation Manhattan from the 1980s, measuring 33mm in diameter.

Posted at
Feb 23, 2026, 10:33 PM
Active
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[WTS] Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega - 1512.40 · $799
This Omega Constellation is a quartz-powered watch with an original case and bracelet, measuring 33mm in diameter.

  • Condition: Good (9/10)
  • Movement: Quartz
  • Case dimensions: 33mm diameter
  • Bracelet type: Original
Posted at
Feb 23, 2026, 10:42 AM
Active
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[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

Omega - Constellation Pie Pan · $1,800
A well-maintained Omega Constellation Pie Pan watch available for sale.

  • Condition: Very clean example!
Posted at
Feb 19, 2026, 6:39 PM
Active
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[WTS](CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

(CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

Omega - 168.047 · $750
This Omega Constellation ref 168.047 is a vintage watch from the 1970s with a replaced dial, hands, crystal, and gasket. The case has superficial scratches, but the rest of the watch is in good condition.

  • Condition: Very good
  • Case Size: 40mm x 33mm
  • Movement Calibre: 1001
  • Movement Accuracy: +/- 15 secs a day
Posted at
Feb 19, 2026, 5:35 PM
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