Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold Diamond / Champagne MOP

Reference 123.55.27.20.57.002

About this watch

The Omega Constellation Co-Axial 27 Brushed Yellow Gold Diamond / Champagne MOP is a masterpiece that embodies luxury and precision. This stunning timepiece boasts a brushed yellow gold case, champagne mother of pearl dial, and gem-set bezel, creating an irresistible allure. The Omega caliber 8521 movement, with its innovative Co-Axial escapement, ensures exceptional chronometer certification and accuracy. With a water resistance of up to 100 meters and sapphire crystal glass, this watch is both functional and elegant. Its 27mm diameter makes it a perfect fit for those who prefer smaller watches, while the brushed yellow gold bracelet feels luxurious against the skin. This timepiece is a testament to Omega's unrivaled craftsmanship, blending classic aesthetics with cutting-edge technology. With its stunning aesthetics, innovative movement, and robust design, it checks all the boxes for a high-end timepiece.
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Key Features

  • Omega caliber 8521 self-winding movement
  • Chronometer certification with Co-Axial escapement
  • Brushed yellow gold case and champagne mother of pearl dial
  • Gem-set bezel and indexes for added luxury appeal
  • Sapphire crystal glass for scratch-free protection
  • Water resistance up to 100 meters
  • 27mm diameter for a perfect fit

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold Diamond / Champagne MOP
Reference
123.55.27.20.57.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1961 Omega Constellation (Original Box / Papers

1961 Omega Constellation (Original Box / Papers

Omega - 14393 · $1,200
This is a 1961 Omega Constellation reference 14393 with a white dome dial and original outer cardboard box. The watch has a 34mm stainless and 14k gold capped case and is powered by an automatic cal 561 movement.

  • 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

Omega Constellation Globemaster

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
Active
[WTS] OMEGA Constellation 168.029

OMEGA Constellation 168.029

OMEGA - 168.029 · $1,100
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

Like New Omega Constellation Meteorite Dial

A brand new Omega Constellation Meteorite Dial in 41mm, purchased from an Omega Boutique and barely used.

  • 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
Active
[WTS] Omega Constellation Lady 595.0102 only for 299$ Shipped 🚢

Omega Constellation Lady 595.0102 only for 299$ Shipped 🚢

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

Omega Constellation 41mm – Ref. 131.33.41.21.01.001

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
[WTS] 2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

Omega - 130.53.41.22.03.001 · $14,500
The Omega Constellation Globemaster Master Chronometer Annual Calendar is a sophisticated timepiece that exemplifies precision and elegance. Its 41mm Sedna™ gold case frames a sun-brushed blue dial with a distinctive pie-pan design and month indicators along the perimeter, offering both style and functionality.

  • Condition: Like new
  • Case size: 41mm diameter
  • Thickness: 14.7mm
  • Lug to lug: 50.1mm
Posted at
Oct 22, 2025, 9:39 AM
Active