Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Red Gold / MOP Supernova

Reference 123.20.27.20.55.001

About this watch

The Omega Constellation Co-Axial 27 stands out for its elegant design and advanced technology, combining exquisite craftsmanship with reliable functionality. Its breathtaking design features a diameter of 27.30 mm, crafted from brushed stainless steel and adorned with red gold, exuding luxury. The Mother of Pearl (MOP) Supernova dial reflects light beautifully, creating a captivating play of colors that changes with your movements. One of the standout features is its gem-set indexes, adding an extra touch of luxury. The watch's technical prowess is just as impressive, featuring the Omega caliber 8520 automatic movement, certified chronometer, and water resistance of 100 meters. This watch is built for everyday wear, transitioning seamlessly from the office to a weekend getaway. Its classic analog display with hours, minutes, and seconds hands, alongside a convenient date function, ensures you'll always know the time at a glance. The watch boasts a fixed bezel that maintains its sleek profile while ensuring the crystal is well-protected. Wearing this luxury watch should be comfortable, and the high-quality bracelet perfectly matches its luxurious aesthetic. The clasp is secure yet easy to operate, ensuring the watch sits comfortably on your wrist without any fussy adjustments.
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MSRP: $8,600
Market Price: $4,469

Key Features

  • Omega caliber 8520 automatic movement
  • Certified chronometer
  • Water resistance of 100 meters
  • Mother of Pearl (MOP) Supernova dial
  • Gem-set indexes
  • High-quality bracelet
  • Fixed bezel

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Red Gold / MOP Supernova
Reference
123.20.27.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27.3mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped, Duties Covered!

Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped, Duties Covered!

Omega - 168.018 · $2,300
This Omega Constellation features a gold-capped case with a crisp sunburst dial and thick hour markers at the quarters. The watch has a 35mm diameter (excluding the crown) and is powered by an excellent caliber 564 automatic movement with date.

  • Condition: Mint, likely new-old-stock
  • Movement caliber: 564 Chronometer Automatic Date
  • Case dimensions: 35mm diameter excluding crown
  • Lug type: straight lugs
Posted at
Feb 5, 2026, 1:28 PM
Active
[WTS] 1950s Omega Constellation Calendar Chronometer Certified 2943-1SC, 14k bezel, serviced! - $1365 shipped!!

1950s Omega Constellation Calendar Chronometer Certified 2943-1SC, 14k bezel, serviced! - $1365 shipped!!

Omega - 2943-1SC · $1,365
A beautiful vintage Omega Constellation Calendar automatic winding watch, circa 1957, with a 14k solid gold bezel and serviced in 2025.

  • Condition: 9/10
  • Case size: 35mm
  • Caliber: 504 chronometer grade
Posted at
Feb 5, 2026, 7:30 AM
Active
[WTS] Vintage Omega Constellation 168.029 Day Date

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Omega - 168.029 · $949
A vintage Omega Constellation from the late 1960s to early 1970s, designed by Gerald Genta, featuring a sharp, unpolished case and an original sunburst dial.

  • Case type: cushion (C-case)
  • Bezel material: 18k white gold
  • Bezel style: fluted
Posted at
Feb 2, 2026, 11:01 PM
Active
[WTS] Omega Constellation Day-Date Quartz Just Serviced c.1980

Omega Constellation Day-Date Quartz Just Serviced c.1980

This is a classic Omega Constellation with day-date display and slim quartz profile from the 1980s. It has been recently serviced and is running properly.

  • Condition: Set watch only, with some wear on the case and light marks on the crystal
  • Era: c.1980
  • Movement Type: Quartz
  • Functionality: Day-Date
Posted at
Jan 30, 2026, 8:34 PM
Active
[WTS] Omega Constellation Ref. 1267.15.00 - Diamond Bezel/Gold Bar Bracelet/Textured Dial | Box/Cards

Omega Constellation Ref. 1267.15.00 - Diamond Bezel/Gold Bar Bracelet/Textured Dial | Box/Cards

Omega - 1267.15.00 · $1,400
This is an Omega Constellation Ref. 1267.15.00, featuring a diamond bezel and gold bar bracelet on a textured yellow dial.

  • Condition: Excellent used condition
  • Case diameter: 22.5 mm
  • Water resistance: 30m depth rating
  • Movement type: Quartz precision movement
Posted at
Jan 30, 2026, 11:31 AM
Active
[WTS] Tropical Dial Omega Pie Pan Constellation 168.005

Tropical Dial Omega Pie Pan Constellation 168.005

Omega - 168.005 · $1,600
For sale is a stunning Tropical dial Omega Pie Pan Constellation watch.

  • Dial type: Tropical dial
Posted at
Jan 29, 2026, 12:06 PM
Active
[WTS] Redial Omega Pie Pan Constellation 168.005 - Polished case with sharp edges

Redial Omega Pie Pan Constellation 168.005 - Polished case with sharp edges

Omega - 168.005 · $1,600
For sale a beautiful Omega Pie Pan Constellation with Top notch redial quality and Case polished with sharp edges.

  • Redial quality: top notch
  • Shipping options: Fedex/DHL
Posted at
Jan 29, 2026, 12:01 PM
Active
[WTS] Omega Constellation 🌌 perpetual calendar 📅 blue dial Quartz movement!

Omega Constellation 🌌 perpetual calendar 📅 blue dial Quartz movement!

This Omega Constellation is a rare quartz perpetual calendar watch with a blue dial. The sunburst dial appears to change color depending on the angle and lighting, ranging from ocean blue to navy blue or blue grey to blue purple.

  • Condition: Runs like new, serviced in 2023
  • Movement: quartz
  • Battery status: new
  • Case material: unknown (assumed metal due to 18k stamp)
Posted at
Jan 28, 2026, 4:29 PM
Active