Omega Constellation Constellation Co-Axial 31 Stainless Steel / MOP

Reference 123.10.31.20.05.001

About this watch

The Omega Constellation Co-Axial 31 Stainless Steel / MOP is a masterpiece of luxury watchmaking, boasting a stunning round shape with a diameter of 31 mm. The polished stainless steel case radiates sophistication, while the mesmerizing mother of pearl dial shifts colors depending on the light. This certified chronometer features an automatic movement (Omega caliber 8520) with a frequency of 25,200 vibrations per hour and a power reserve of up to 50 hours. With its versatility, exceptional design, and reliable movement, this timepiece is perfect for dressing up or casual wear. Its robust water resistance of 100 meters ensures it can withstand splashes of water or a day at the beach. As an investment in quality, craftsmanship, and timeless design, the Omega Constellation Co-Axial 31 is a worthy luxury watch that will stand the test of time.
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MSRP: $6,300
Market Price: $2,253

Key Features

  • Automatic movement (Omega caliber 8520)
  • Polished stainless steel case
  • Mesmerizing mother of pearl dial
  • Certified chronometer
  • Water resistance of 100 meters
  • Power reserve up to 50 hours
  • Robust and durable design

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / MOP
Reference
123.10.31.20.05.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 2024 Omega Constellation Ref# 131.33.41.21.04.001 - Full Set box and papers

2024 Omega Constellation Ref# 131.33.41.21.04.001 - Full Set box and papers

The Omega Constellation is a flagship watch characterized by its half-moons and 'claws' on the side of the case, making it perfect for daily wear due to its class and durability. It features a 41mm blue ceramic bezel with blued hands, OMEGA logo, Constellation star, and indexes.

  • Condition: Very good condition with light signs of wear on the case
  • Case size: 41mm
  • Bezel material: blue ceramic
Posted at
Aug 29, 2025, 1:01 PM
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[WTS] Omega Constellation Day Date - Watch Only - $750 Free 🚢

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This is a 1980s Omega Constellation Day Date watch, featuring a black steel case with a quartz movement.

  • Year: 1980s
  • Dial material: steel
  • Size: 33mm diameter
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Aug 29, 2025, 11:29 AM
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[WTS] Omega Constellation 167.005

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The Omega Constellation is a 36mm watch with a 551 movement. It has an aftermarket bracelet that fits a 6.5in wrist.

  • Condition: pre-owned with light scratches and wear marks
  • Case size: 36mm
  • Movement: 551
  • Bracelet type: aftermarket
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Aug 28, 2025, 11:25 AM
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Omega Constellation Globemaster Master Chronometer

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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
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