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] Omega Constellation Chronometer Automatic 1966

Omega Constellation Chronometer Automatic 1966

This Omega Constellation Chronometer Automatic from 1966 features an Onyx baton indices dial framed in silver and is powered by a Swiss-made 24 jewel automatic movement. The watch includes original components such as the crystal and dial.

  • Condition: Pre-owned, unpolished, shows signs of careful use
  • Purchase Location: Wanna Buy a Watch in West Hollywood, CA
  • Date Window Position: 3 o'clock
Posted at
May 10, 2025, 5:06 PM
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[WTS] Omega Constellation 35mm f300 Honey Comb Dial

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The Omega Constellation 35mm f300 is a rare timepiece featuring a honeycomb toasted dial and gold crown. The watch has a 35mm case diameter, 41.5mm lug-to-lug length, 19mm lug width, and 10.8mm height. It comes with a black ostrich strap.

  • Condition: mint
  • Diameter: 35mm
  • Lug To Lug: 41.5mm
  • Lug Width: 19mm
Posted at
May 9, 2025, 5:19 PM
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[WTS] 1968 Omega Constellation Ref. 157.0001 – Ultra-Thin Cal. 712 Chronometer – Blue Textured Dial – Omega Mesh Bracelet – $1350 Shipped Worldwide

1968 Omega Constellation Ref. 157.0001 – Ultra-Thin Cal. 712 Chronometer – Blue Textured Dial – Omega Mesh Bracelet – $1350 Shipped Worldwide

Omega - 157.0001 · $1,350
A 1968 Omega Constellation with an ultra-thin chronometer-rated Cal. 712 movement, featuring a blue textured dial and original unpolished case.

  • Condition: honest vintage condition
  • Movement: Omega Cal. 712 (ultra-thin, chronometer-rated)
  • Case size: 34.5mm
  • Dial description: original textured blue dial
Posted at
May 8, 2025, 9:46 AM
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[WTS] Omega Constellation C-shape Chronometer 168.0056

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Omega - 168.0056 · $750
This Omega Constellation Ref. 168.0056 features an automatic chronometer movement, gold plated stainless steel case, and a champagne dial with applied indices.

  • Condition: excellent condition
  • Movement: Cal. 1011
  • Case material: gold plated stainless steel
  • Case size: 35mm (excluding crown)
Posted at
May 7, 2025, 12:45 PM
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[WTS] Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Omega - 198.002 · $485
The Omega Electronic Constellation Chronometer features a Cal. 1250 F300 movement with a pair of tuning forks vibrating at 300Hz for precise timekeeping.

  • Condition: Serviced, original dial in great condition, minor scratches on the caseback
  • Movement: F300 Hz Quartz Movement
  • Case material: Stainless Steel (Gold Plated)
  • Diameter: 38 mm diameter (w/o crown)
Posted at
May 6, 2025, 2:50 PM
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[WTS] Omega Constellation Day Date - Watch Only - $950 Free 🚢

Omega Constellation Day Date - Watch Only - $950 Free 🚢

This is a black dial Omega Constellation Day Date from the 1980s, powered by a quartz movement and featuring a steel case with a size of 33mm.

  • Year: 1980s
  • Dial Material: Black Dial Material: Steel
Posted at
May 6, 2025, 10:04 AM
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[WTS] Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $799 Shipped!

Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $799 Shipped!

Omega - 168.0056 · $799
A vintage Omega Constellation Chronometer with a C-shaped case, inspired by Gerald Genta, featuring an automatic movement and date window at 3 o'clock.

  • Condition: Good condition with signs of wear
  • Case shape: C-Shaped Case
  • Case size: 35mm diameter
  • Movement type: Automatic
Posted at
May 5, 2025, 3:48 PM
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[WTS] Rare 1956 Omega Constellation in Rose Gold / SS

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This is an older Omega Constellation model from 1956, featuring one of the first automatic 5xx series movements. The watch has a smooth winding mechanism and looks great in natural light.

  • Condition: Pre-owned with a scratch on the dial between 1 and 2
  • Movement series: 5xx series (automatic)
  • Case diameter: 34mm
Posted at
May 4, 2025, 7:23 PM
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[WTS] FULL COLLECTION SALE PT 2: Tiffany Eastwest (now discontinued), Hamilton Intramatic Chronograph 40mm, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm

FULL COLLECTION SALE PT 2: Tiffany Eastwest (now discontinued), Hamilton Intramatic Chronograph 40mm, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm

The seller is listing a collection of five watches for sale, including a Hamilton Intramatic Chronograph, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm, and Tiffany Eastwest.

  • Condition: pristine
  • Movement: Soprod C125 GMT
  • Case size: 40/20mm
  • Crystal: domed sapphire
Posted at
May 4, 2025, 5:18 PM
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