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

Reference 123.50.27.20.55.002

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of luxury watchmaking, blending elegance and technological innovation. Its stunning brushed yellow gold case gleams with understated sophistication, while the Mother of Pearl dial adds a touch of opulence. The gem-set indexes twinkle like stars in the night sky, providing a perfect contrast against the white background. With its compact yet bold diameter of 27.00 mm, this watch is perfect for both casual outings and formal events. The round shape is timeless, ensuring that this piece won't go out of style anytime soon. The sapphire glass offers durability and provides a crystal-clear view of the stunning dial. What truly sets the Omega Constellation apart is its impressive movement - the self-winding mechanical Omega caliber 8521 combines traditional watchmaking with modern technology, featuring a Co-Axial escapement that reduces friction between parts for enhanced accuracy and longevity. This timepiece keeps you organized without sacrificing style, equipped with a date function and a water resistance rating of 100 meters. Wearing the Constellation Co-Axial 27 feels like putting on a piece of art, its weighty yet comfortable feel on the wrist is a testament to Omega’s craftsmanship.
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Key Features

  • Omega caliber 8521 self-winding mechanical movement
  • Mother of Pearl dial with gem-set indexes
  • Sapphire glass for scratch-free durability
  • Co-Axial escapement for enhanced accuracy and longevity
  • Date function for organization without sacrificing style
  • Water resistance rating of 100 meters for versatility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova
Reference
123.50.27.20.55.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[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
[WTS] Ultra thin OMEGA Constellation Chronometer Certified 167.021 automatic no date

Ultra thin OMEGA Constellation Chronometer Certified 167.021 automatic no date

OMEGA - 167.021 · $1,250
Ultra thin OMEGA Constellation Chronometer certified watch with a small size but good wrist presence.

  • Condition: Excellent with normal signs of wear and used
  • Diameter: 33 x 39mm
  • Thickness: 8mm
  • Lug width: 19mm
Posted at
Aug 24, 2025, 7:05 AM
Active
[WTS] OMEGA Constellation Chronometer certified 168.018 original bracelet, excellent condition

OMEGA Constellation Chronometer certified 168.018 original bracelet, excellent condition

OMEGA - 168.018 · $1,500
This Omega Constellation Chronometer is a certified watch with automatic movement, original silver dial, and stainless steel case in excellent condition.

  • Condition: excellent
  • Movement: Cal 564 Automatic
  • Beats Per Hour: 19800
  • Jewels: 24
Posted at
Aug 24, 2025, 1:19 AM
Active