Omega Constellation Constellation Co-Axial 31 Yellow Gold / Diamond / Champagne Supernova

Reference 123.55.31.20.58.001

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, boasting an automatic movement with Co-Axial escapement technology for unparalleled precision and durability. The 31 mm yellow gold case features a gem-set bezel and shimmering diamond indexes on a Champagne Supernova dial, exuding opulence and timeless style. Certified as a chronometer, this watch has undergone rigorous testing to ensure its accuracy, making it a reliable companion for any occasion. With a power reserve of 50 hours and water resistance up to 100 meters, you can confidently wear this versatile timepiece during various activities. The comfortable yellow gold bracelet completes the ensemble, offering a lightweight feel that's perfect for all-day wear. This statement piece embodies luxury, precision, and style, making it an ideal choice for those seeking a timepiece that tells both time and their story.
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Key Features

  • Automatic Omega caliber 8521 movement
  • Co-Axial escapement technology for enhanced precision and durability
  • 31 mm yellow gold case with gem-set bezel
  • Champagne Supernova dial with shimmering diamond indexes
  • Certified chronometer for accuracy
  • Water resistance up to 100 meters
  • Comfortable yellow gold bracelet

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Yellow Gold / Diamond / Champagne Supernova
Reference
123.55.31.20.58.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 31mm
Crystal
Sapphire
Water Resistance
100

Current Listings

[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

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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

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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
Active
[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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The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active