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

Reference 123.55.31.20.63.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova is a stunning work of art that embodies sophistication and craftsmanship. Its combination of red gold, diamonds, and a brown supernova dial creates a visual feast that commands attention. The rich brown color radiates warmth, while the gem-set indexes sparkle brilliantly, catching light with every movement. The Dauphine hands glide effortlessly across the face, ensuring readability without sacrificing style. Crafted from luxurious red gold, the case measures a comfortable 31 mm, making it ideal for both formal and casual occasions. The gem-set bezel adds an extra layer of elegance, transforming the watch into a statement piece that enhances any outfit. At the heart of this timepiece is the Omega caliber 8521, featuring the Co-Axial escapement for enhanced precision, stability, and durability. With a water resistance of up to 100 meters, this watch can withstand daily life's rigors and occasional splashes of water. Its versatility makes it suitable for any occasion, from formal galas to casual weekend outings.
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Key Features

  • Omega caliber 8521 movement with Co-Axial escapement
  • Red gold case with gem-set bezel
  • Brown supernova dial with Dauphine hands
  • Water resistance up to 100 meters
  • Automatic winding with free sprung-balance system
  • Swiss craftsmanship with oscillating mass and balance bridge in 18 Ct red gold
  • 50-hour power reserve and 25,200 vibrations per hour

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova
Reference
123.55.31.20.63.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

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  • Condition: Very good, with minor wear
  • Case Size: 34mm
  • Movement: Omega automatic cal 561
Posted at
Oct 26, 2025, 11:05 PM
Active
[WTS] Omega Constellation Globemaster

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First timepiece for sale, comes with original box and papers.

  • Case diameter: 39mm
  • Water resistance: 10 ATM (depth rating)
  • Power reserve: 60 hours
Posted at
Oct 26, 2025, 9:05 PM
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[WTS] OMEGA Constellation 168.029

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Omega Constellation Day/Date model in excellent working order with original strap and box.

  • Condition: Excellent working order
  • Serviced: 2024
  • Comes With: original strap, box
Posted at
Oct 26, 2025, 3:00 AM
Active
[WTS] Like New Omega Constellation Meteorite Dial

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  • Condition: Like new, worn once
  • Box papers: Complete with original documentation
  • Bracelet type: Swapped for an Omega leather strap on deployment
Posted at
Oct 25, 2025, 11:40 AM
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[WTS] Omega Constellation Lady 595.0102 only for 299$ Shipped 🚢

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Omega - 595.0102 · $299
The Omega Constellation Lady features a stainless steel case with a case size of 22mm, Omega signed crown, and quartz movement.

  • Condition: clean with a few hairline scratches, signs of aging on the dial
  • Case Size: 22mm diameter
  • Movement: Quartz movement
  • Buckle Type: standard steel buckle
Posted at
Oct 25, 2025, 9:05 AM
Active
[WTS] Omega Constellation  41mm – Ref. 131.33.41.21.01.001

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For sale is a 2019 Omega Constellation Co-Axial Master Chronometer 41mm, featuring a stainless steel case, black ceramic bezel with Roman numerals, and a black dial, powered by Omega’s Caliber 8900 automatic movement. The watch comes on the original black leather strap with stainless steel fold-over clasp.

  • Condition: Excellent
  • Case size: 41mm
  • Material: stainless steel
  • Bezel material: black ceramic
Posted at
Oct 24, 2025, 9:15 PM
Active