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

Reference 123.25.27.20.55.001

About this watch

The Omega Constellation Co-Axial 27 Supernova is a masterpiece that encapsulates elegance, precision, and luxury. Its exquisite design, combined with advanced technology, makes it a worthy addition to any watch lover's collection. With its brushed stainless steel and red gold case, this timepiece exudes sophistication. The mother-of-pearl dial, adorned with gem-set indexes, adds depth and character. A diamond-set bezel further elevates its elegance, making it a true showstopper. The Omega caliber 8520 automatic movement features chronometer certification and Co-Axial escapement for enhanced precision. Water-resistant up to 100 meters, this watch is perfect for swimming or snorkeling. With a diameter of 27 mm, it's comfortably sized for daily wear. Whether dressing up for a gala or enjoying a casual day out, this timepiece will elevate your style and keep you on time.
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Key Features

  • Automatic movement with chronometer certification
  • Co-Axial escapement for enhanced precision
  • Mother-of-pearl dial with gem-set indexes
  • Diamond-set bezel
  • Water-resistant up to 100 meters
  • 27 mm diameter case
  • Brushed stainless steel and red gold construction

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Red Gold / Diamond / MOP Supernova
Reference
123.25.27.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

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  • Case size: 34mm
Posted at
Feb 6, 2026, 10:59 PM
Active
[WTS] Omega Double Eagle Constellation  |  Open Case Back Chronograph  |  Reference 1819.51.91

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This Omega Double Eagle Constellation features an open case back showcasing the movement, with a 41MM case size and powered by Co-Axial calibre 3313.

  • Condition: Excellent Pre-Owned
  • Case size: 41MM
  • Crystal status: replaced
  • Strap type: OEM rubber strap
Posted at
Feb 6, 2026, 2:50 PM
Active
[WTS] Omega Double Eagle Constellation  |  Open Case Back Chronograph  |  Reference 1819.51.91

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a Omega Double Eagle Constellation watch with an open case back chronograph, details to be specified.

  • Case back type: Open Case Back
Posted at
Feb 6, 2026, 2:47 PM
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[WTS] Omega Constellation Pie Pan 168.005 w/bracelet | All original | $2500 shipped (SERVICED)

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A classic mid-60s Constellation with an iconic pie-pan dial and stainless steel case, powered by Omega's chronometer-rated Caliber 561.

  • Condition: All original
  • Movement caliber: Cal. 561 Automatic
  • Case material: Stainless Steel
  • Bracelet type: Original Omega bracelet
Posted at
Feb 6, 2026, 11:22 AM
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[WTS] Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped, Duties Covered!

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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
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Feb 5, 2026, 1:28 PM
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[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!!

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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
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Feb 5, 2026, 7:30 AM
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[WTS] Vintage Omega Constellation 168.029 Day Date

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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
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Feb 2, 2026, 11:01 PM
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[WTS] Omega Constellation Day-Date Quartz Just Serviced c.1980

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

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  • 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