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.
Buy Now on Jomashop
This is an affiliate link

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] 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
Active
[WTS] Omega Constellation Day Date - Watch Only - $750 Free 🚢

Omega Constellation Day Date - Watch Only - $750 Free 🚢

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
Posted at
Aug 29, 2025, 11:29 AM
Active
[WTS] Omega Constellation 167.005

Omega Constellation 167.005

Omega - 167.005 · $920
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
Posted at
Aug 28, 2025, 11:25 AM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

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