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

Reference 123.20.27.20.55.003

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

About this watch

Welcome to the world of luxury watches, where craftsmanship meets elegance. Today, we're diving deep into the Omega Constellation Co-Axial 27, specifically the model 123.20.27.20.55.003. This exquisite timepiece combines the finest materials with innovative technology, making it a must-have for collectors and enthusiasts alike. So, buckle up as we explore every intricate detail of this stunning watch! Omega is not just a brand; it's a legacy. Founded in 1848, Omega has become synonymous with precision and luxury. Known for its rich history of innovation, including being the official timekeeper of the Olympic Games, Omega stands at the pinnacle of Swiss watchmaking. With each piece, they blend tradition with modern design, and the Constellation series is a perfect example of this philosophy. The Co-Axial 27 is a tribute to this heritage, featuring a blend of traditional craftsmanship and cutting-edge technology. The brushed stainless steel and yellow gold combination creates a stunning visual contrast, embodying sophistication and style. One of the standout features of this watch is its breathtaking mother of pearl (MOP) dial. The iridescent quality of MOP adds a unique flair, catching the light in a way that changes with every movement. Each time you glance at the watch, you'll notice different hues of white, making it a captivating piece.
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Key Features

  • Omega caliber 8520 automatic movement
  • Co-Axial escapement for reduced friction and improved precision
  • 100m water resistance for swimming and snorkeling
  • Mother of pearl (MOP) dial with iridescent quality
  • Gem-set indexes on the dial for added elegance
  • Certified chronometer by COSC, ensuring exceptional timing accuracy
  • Durable materials resistant to scratches and tarnishing

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / MOP
Reference
123.20.27.20.55.003
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 Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega - 168.005 · $1,945
a 1964 Omega Constellation Pie Pan ref. 168.005 featuring dog-leg lugs and cal. 561 movement, serviced in November 2025.

  • Condition: Excellent for its age
  • Calibre: Cal. 561 movement
  • Year: 1964
  • Movement type: Chronometer-grade
Posted at
Apr 7, 2026, 3:26 PM
Active
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[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
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[WTS] Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega - 168.005 · $2,600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great serviced condition
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 6, 2026, 11:13 PM
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[WTS] Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.

  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Apr 6, 2026, 9:48 PM
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[WTS] Omega Dog-Leg Constellation with Onyx Insert Indices for sale $1650 - Shipped

Omega Dog-Leg Constellation with Onyx Insert Indices for sale $1650 - Shipped

Omega - Constellation · $1,650
This Omega Constellation features a stainless steel case with Onyx Insert Indices and comes with an aftermarket Beads Of Rice bracelet and handmade leather strap.

  • Condition: pre-owned
  • Movement: Cal. 551
  • Bracelet: Aftermarket Beads Of Rice
  • Case material: Stainless Steel
Posted at
Apr 6, 2026, 11:15 AM
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[WTS] Rare Omega Constellation 2000 Millennium 1504.50

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

  • Condition: Good condition, with normal signs of wear and scratching on the crystal
  • Production run: Limited to 2000 pieces
  • Service history: Unknown
Posted at
Apr 5, 2026, 8:40 PM
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[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega - 2852-1 · $1,100
This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.

  • Condition: Pre-owned, serviced a few years back
  • Lug width: 18mm
  • Strap material: red leather
Posted at
Apr 5, 2026, 3:52 PM
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[WTS] Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega - 168.0075 · $1,800
This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.

  • Condition: pre-owned working condition
  • Movement: Cal 1111
  • Diameter: 35.5mm
Posted at
Apr 4, 2026, 1:05 PM
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[WTS] Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega - 168.005 · $2,450
The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case with dog-leg lugs and a silver sunburst dial.

  • Condition: Great Condition (Serviced)
  • Case size: 34mm
  • Movement type: Automatic
Posted at
Mar 31, 2026, 11:24 PM
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