Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / White MOP

Reference 123.15.27.20.55.003

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of horology, combining elegance, precision, and style in one stunning package. Founded in 1848, Omega is a name synonymous with quality and innovation, known for their precision and reliability that has graced the wrists of astronauts, world leaders, and even fictional spies. The Constellation series is renowned for its distinctive design and exceptional performance, offering a unique blend of elegance and modernity. With a sleek brushed stainless steel case and luxurious mother-of-pearl dial, this watch is perfect for both formal and casual occasions. At the heart of the Omega 123.15.27.20.55.003 is the automatic Omega caliber 8520 movement, known for its precision and reliability, operating at a frequency of 25,200 vibrations per hour, offering a 50-hour power reserve. With features like hours, minutes, seconds, and date functionality, this watch is built to perform! The Co-Axial escapement reduces friction between components, improving the long-term accuracy of the watch. Plus, being a chronometer means that this watch has passed rigorous tests for precision. The Omega Constellation Co-Axial 27 comes with a stainless steel bracelet that complements the case beautifully, designed for comfort and style. Its elegant design pairs beautifully with a cocktail dress or tailored suit, but it also looks fantastic with simple tee and jeans.
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MSRP: $10,000
Market Price: $3,155

Key Features

  • Automatic Omega caliber 8520 movement
  • Chronometer accuracy
  • 100m water resistance
  • Mother-of-pearl dial
  • Gem-set bezel
  • Stainless steel case
  • Co-Axial escapement

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / White MOP
Reference
123.15.27.20.55.003
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[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
[WTS] 1973 Omega Constellation ref. 168.0056 – Gold-Capped Case w/ Solid Gold Bezel & Medallion – Cal. 1011 Chronometer – Serviced July 2025 – $950 ALL-IN

1973 Omega Constellation ref. 168.0056 – Gold-Capped Case w/ Solid Gold Bezel & Medallion – Cal. 1011 Chronometer – Serviced July 2025 – $950 ALL-IN

Omega - 168.0056 · $950
a 1973 Omega Constellation ref. 168.0056 with a gold-capped case, solid gold bezel, and medallion, featuring Cal. 1011 chronometer movement.

  • Case material: gold
  • Bezel material: solid gold
  • Movement: Cal. 1011 Chronometer
Posted at
Oct 21, 2025, 10:22 PM
Active
[WTS] Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1950

Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1950

The Omega Constellation Ref. 14381-11 SC is a fine example from one of Omega’s most respected design periods, produced around 1959 to 1961.

Posted at
Oct 20, 2025, 10:18 PM
Active
[WTS] Omega Constellation. Globemaster. 39mm. ++ Cards and Links. 🔥

Omega Constellation. Globemaster. 39mm. ++ Cards and Links. 🔥

This listing is for an Omega Constellation Globemaster in a 39mm case, with additional photos and links to purchase available.

  • Shipping: Fedex with insurance
  • Shipping Location: NJ USA
  • International Shipping: yes
Posted at
Oct 17, 2025, 5:20 PM
Active
[WTS] Omega Constellation 168.046

Omega Constellation 168.046

Omega - 168.046 · $850
A vintage automatic chronometer, powered by the Omega Caliber 1001 and featuring the iconic Constellation Observatory medallion on the caseback.

  • Condition: Great used condition, shows light scratches consistent with its age
  • Case Size: 36mm
Posted at
Oct 16, 2025, 9:27 AM
Active