Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / MOP Supernova

Reference 123.20.27.20.55.002

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of horology, boasting exquisite craftsmanship, high functionality, and stunning aesthetics. Its combination of brushed stainless steel and yellow gold creates a striking contrast that exudes luxury. The round shape is classic, with a 27 mm diameter perfect for those who prefer a more dainty watch without sacrificing visibility. The Mother of Pearl (MOP) Supernova dial is a showstopper, shimmering with iridescence that changes hue with the light. Gem-set indexes add a sparkling touch that perfectly complements the luxurious design. With its automatic Omega Caliber 8520 movement, this watch delivers precision and reliability, featuring a power reserve of 50 hours and a frequency of 25,200 vibrations per hour. Certified as a chronometer by the COSC, it's a trusted friend who always keeps you on time. The watch boasts a water resistance of up to 100 meters, making it perfect for casual water activities. Its comfortable bracelet is crafted from brushed stainless steel and yellow gold, providing a snug yet comfortable fit. With its stunning design and reliable movement, the Omega Constellation Co-Axial 27 is a timeless piece that blends tradition with modernity.
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MSRP: $8,600
Market Price: $4,133

Key Features

  • Omega Caliber 8520 Automatic Movement
  • Stainless Steel & Yellow Gold Case Material
  • Sapphire Crystal Glass
  • Gem-Set Indexes for Added Luxury
  • Water Resistance up to 100 meters
  • Certified Chronometer by COSC

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / MOP Supernova
Reference
123.20.27.20.55.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
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