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

Reference 123.55.31.20.55.002

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / Diamond / MOP Supernova is a masterpiece that embodies Omega's legacy of precision and luxury. This exquisite timepiece radiates luxury with its yellow gold case, diamond-set bezel, and mother-of-pearl dial. The watch features the revolutionary Co-Axial Escapement movement, ensuring incredible accuracy and stability. With a water resistance of up to 100 meters, this timepiece is perfect for daily wear. Its elegant design and premium materials make it a versatile addition to any wardrobe. Whether you're looking to elevate your everyday style or make a statement at special occasions, the Omega Constellation Co-Axial 31 Yellow Gold / Diamond / MOP Supernova is an ideal choice.
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Key Features

  • Omega caliber 8521 movement with Co-Axial Escapement
  • Water resistance up to 100 meters
  • 18-karat yellow gold case and diamond-set bezel
  • Mother-of-pearl dial with gem-set indexes
  • Dauphine hands for precision timekeeping
  • Chronometer certification for accuracy and reliability
  • 50-hour power reserve for continuous wear

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Yellow Gold / Diamond / MOP Supernova
Reference
123.55.31.20.55.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
31mm
Dial Color
White
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
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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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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

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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