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

Reference 123.55.31.20.55.001

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

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / MOP Supernova is a masterpiece of luxury watchmaking, blending exceptional engineering with mesmerizing design. This stunning timepiece features a luxurious blend of materials and state-of-the-art movement, encapsulating the essence of Omega's commitment to quality. The self-winding caliber 8521 boasts a Co-Axial escapement for superior precision and stability, while its compact round shape and adjustable strap ensure comfort and versatility. With a water resistance of 100 meters, this watch is designed to withstand various activities while maintaining its luxurious appearance. Its exquisite craftsmanship, combined with Omega's heritage of precision, makes it an outstanding choice for anyone seeking a premium timepiece. The stunning white mother-of-pearl dial is complemented by gem-set indexes that catch the light beautifully, exuding sophistication and elegance. Whether you're a seasoned collector or looking to make a statement, this watch caters to a variety of tastes with its timeless design and luxurious appeal.
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Key Features

  • Oscillating Mass: 18 Ct red gold
  • Silicon Balance-Spring for improved performance
  • Geneva Waves in Arabesque fine finishing
  • Gem-Set Bezel with diamonds for elegance
  • Sapphire Glass for scratch resistance
  • Open Case Back showcasing the movement
  • Co-Axial escapement for superior precision

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Diamond / MOP Supernova
Reference
123.55.31.20.55.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1700

Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1700

Omega - 168.005 · $1,700
For sale is an Omega Constellation Ref. 168.005 'Türler' in good condition, serviced.

  • Condition: Good
  • Serviced: yes, serviced
  • Status: good condition
Posted at
May 24, 2026, 10:19 PM
Active
View listing on r/WatchExchange
[WTS] Vintage Omega Constellation C-shape 168.027 from 1968 with white-gold bezel and 'linen' dial, great condition

Vintage Omega Constellation C-shape 168.027 from 1968 with white-gold bezel and 'linen' dial, great condition

Omega - 168.027 · $890
A vintage Omega Constellation from 1968 featuring an automatic caliber 564 movement with a quickset date, a white-gold bezel, and a 'linen' dial.

  • Condition: 7.5/10, slight marks on dial and case, minor scratches on crystal
  • Movement: caliber 564
  • Bezel material: white gold
  • Dial description: linen
Posted at
May 24, 2026, 1:30 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 1460.75.00 - Factory Diamonds & Mother of Pearl Dial

Omega Constellation 1460.75.00 - Factory Diamonds & Mother of Pearl Dial

Omega - 1460.75.00 · $1,600
A beautifully kept example of the Omega Constellation reference 1460.75.00, featuring a mother of pearl dial and factory diamond markers.

  • Condition: Pre-owned, very light signs of wear
  • Case diameter: 22.5mm
  • Bezel material: factory diamonds
  • Bracelet length: 15cm
Posted at
May 22, 2026, 5:00 PM
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[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,350
A vintage Omega Constellation Pie Pan from 1966, featuring a gold-filled case and bezel.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Gold Filling Type: Gold filled
Posted at
May 22, 2026, 11:43 AM
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[WTS] 1969 Omega Constellation 168.029 Fully Serviced

1969 Omega Constellation 168.029 Fully Serviced

Omega - 168.029 · $1,550
This beautiful 1969 Omega Constellation with linen dial has been fully serviced and confirmed to have all original parts.

  • Condition: Fully serviced, with original parts replaced and confirmed by a specialty watchmaker
  • Year Of Manufacture: 1969
  • Dial Type: linen dial
Posted at
May 20, 2026, 6:26 PM
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[WTS] Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020 Mens Watch $1200

Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020 Mens Watch $1200

Omega - 166.0261 · $1,200
This Omega Constellation features an automatic movement and a fluted bezel, housed in a stainless steel and 18k gold case.

  • Condition: Preowned, In Good condition with some wear and marks
  • Movement: Cal 1020 Automatic
  • Case material: Stainless steel & 18k Gold
  • Band size: up to 19 cm
Posted at
May 18, 2026, 7:07 PM
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[WTS] Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

Omega - 131.10.34.20.53.001 · $4,495
This Omega Constellation 34MM features a peacock blue dial with factory diamond hour markers, small seconds subdial, and iconic Constellation star.

  • Condition: Very good
  • Case Diameter: 34mm
Posted at
May 18, 2026, 4:49 PM
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[WTS] Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega - 162.027 · $900
A used vintage Omega Constellation featuring an automatic caliber 564 movement with a quickset date, white-gold bezel and 'linen' dial.

  • Condition: 7.5/10, minor scratches on crystal and dial visible under strong light
  • Movement: caliber 564, automatic
  • Case dimensions: 35mm diameter (without crown), 40.5mm diameter (with crown)
  • Thickness: 10mm
Posted at
May 18, 2026, 2:20 PM
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[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,350
A 1966 Omega Constellation Pie Pan reference number 14902, in good condition with a gold filled bezel and lugs.

  • Condition: good condition with wear and aging on the dial
  • Case width: 34mm
  • Bezel and lugs material: gold filled
  • Year: 1966
Posted at
May 15, 2026, 2:36 PM
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View listing on r/WatchExchange