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] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1300 SHIPPED

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1300 SHIPPED

Omega - 2852-1 · $1,300
This Omega Constellation Pie Pan watch is a stunning and elegant example of Omega's dress watch heritage. The watch has an original, untouched dial and features a two-tone variant with solid yellow gold bezel and medallion. The case is made of steel.

  • Condition: Pre-owned, serviced a few years back
  • Case material: Steel, two tone (gold capped lugs)
  • Diameter: 35mm
  • Lug width: 18mm
Posted at
Mar 27, 2026, 4:27 PM
Active
[WTS] 1971 Omega Constellation ref. 168.0056 w/ freshly serviced Cal. 1011 - clean original dial – $870 shipped

1971 Omega Constellation ref. 168.0056 w/ freshly serviced Cal. 1011 - clean original dial – $870 shipped

Omega - 168.0056 · $870
A 1971 Omega Constellation ref. 168.0056 with a clean, original dial and unpolished C-shape case, powered by the chronometer-certified Cal. 1011 automatic movement.

  • Movement: chronometer-certified Cal. 1011 automatic
  • Case Size: 35mm diameter
  • Lug Width: 19mm
Posted at
Mar 25, 2026, 7:56 PM
Active
[WTS] Omega Constellation Automatic 368.1075 $850 Shipped!

Omega Constellation Automatic 368.1075 $850 Shipped!

Omega - 368.1075 · $850
This Omega Constellation Automatic is a vintage two-tone piece with a distinct 80s/90s look, featuring a gold-tone dial and Roman numeral bezel.

  • Condition: Pre-owned with honest wear consistent with age
  • Bracelet Authenticity Confidence: 80%
  • Bracelet Origin: Genuine Omega (doubtful for this specific watch)
  • Patina Spidering: noticeable throughout the dial
Posted at
Mar 25, 2026, 3:02 PM
Active
[WTS] Omega Constellation Automatic 368.1075 $950 Shipped!

Omega Constellation Automatic 368.1075 $950 Shipped!

Omega - 368.1075 · $950
This Omega Constellation Chronometer Automatic features a gold-tone dial, Roman numeral bezel, and an original two-tone bracelet.

  • Condition: Pre-owned with normal surface wear and noticeable patina/spidering on the dial
  • Bracelet: incorrect for this watch but wearable
  • Bezel material: 18K Yellow Gold
Posted at
Mar 25, 2026, 12:38 PM
Active
[WTS] Wallet Friendly Integrated Day Dates! Omega Constellation Manhattan Stainless & Two Tone

Wallet Friendly Integrated Day Dates! Omega Constellation Manhattan Stainless & Two Tone

A pair of Omega Constellation Manhattan Day-Date watches in stainless steel and two-tone variants. Both feature crisp white dials, luminescent hands, and gold dot markers. The cases are 33MM with oversized bezels and integrated bracelets, giving a larger wear than expected.

  • Condition: Pre-owned, unpolished with some age-related wear and patina forming
  • Case Diameter: 33mm
  • Bracelet Length: [object Object]
  • Movement Type: Swiss automatic with quickset date
Posted at
Mar 23, 2026, 9:35 PM
Active
[WTS] Omega Constellation Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

Omega Constellation Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

Omega - 1819.51.91 · $2,175
This Omega Constellation Double Eagle Chronograph features a 41mm stainless steel case, black dial, and automatic chronometer-certified movement with Co-Axial escapement. It has a reverse panda look and comes on an original integrated black rubber strap.

  • Condition: Solid, honest condition with superficial wear and light scratches
  • Case size: 41mm stainless steel
  • Diameter: 41mm
  • Bezel: black aluminum Roman numeral
Posted at
Mar 22, 2026, 8:48 PM
Active
[WTS] Omega Constellation Globemaster Annual Calendar Box & Papers

Omega Constellation Globemaster Annual Calendar Box & Papers

The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial, applied hour markers, and a clean annual calendar display powered by the in-house Co-Axial Master Chronometer Caliber 8922.

  • Condition: Great pre-owned condition with light signs of careful wear
  • Case size: 41mm
  • Material: stainless steel
  • Bracelet material: stainless steel
Posted at
Mar 22, 2026, 12:30 PM
Active
[WTS] 1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

Omega - 168.005 · $1,400
This 1963 Omega Constellation is powered by a chronometer-rated Caliber 561 movement and features an all-original configuration with stainless steel case, date at 3 o'clock, and onyx markers.

  • Condition: some hairlines but case remains sharp; dial has some light spotting
  • Movement: Caliber 561, chronometer-rated automatic
  • Case material: stainless steel
  • Dimensions: [object Object]
Posted at
Mar 22, 2026, 10:57 AM
Active