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

Reference 123.20.27.20.55.003

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 Ref. 168.005 “Türler” | Good Condition (Serviced) | $1700

Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1700

Omega - 168.005 · $1,700
For sale is an Omega Constellation Ref. 168.005 'Türler' in good condition, serviced.

  • Condition: Good
  • Serviced: yes, serviced
  • Status: good condition
Posted at
May 24, 2026, 10:19 PM
Active
[WTS] Vintage Omega Constellation C-shape 168.027 from 1968 with white-gold bezel and 'linen' dial, great condition

Vintage Omega Constellation C-shape 168.027 from 1968 with white-gold bezel and 'linen' dial, great condition

Omega - 168.027 · $890
A vintage Omega Constellation from 1968 featuring an automatic caliber 564 movement with a quickset date, a white-gold bezel, and a 'linen' dial.

  • Condition: 7.5/10, slight marks on dial and case, minor scratches on crystal
  • Movement: caliber 564
  • Bezel material: white gold
  • Dial description: linen
Posted at
May 24, 2026, 1:30 PM
Active
[WTS] Omega Constellation 1460.75.00 - Factory Diamonds & Mother of Pearl Dial

Omega Constellation 1460.75.00 - Factory Diamonds & Mother of Pearl Dial

Omega - 1460.75.00 · $1,600
A beautifully kept example of the Omega Constellation reference 1460.75.00, featuring a mother of pearl dial and factory diamond markers.

  • Condition: Pre-owned, very light signs of wear
  • Case diameter: 22.5mm
  • Bezel material: factory diamonds
  • Bracelet length: 15cm
Posted at
May 22, 2026, 5:00 PM
Active
[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,350
A vintage Omega Constellation Pie Pan from 1966, featuring a gold-filled case and bezel.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Gold Filling Type: Gold filled
Posted at
May 22, 2026, 11:43 AM
Active
[WTS] 1969 Omega Constellation 168.029 Fully Serviced

1969 Omega Constellation 168.029 Fully Serviced

Omega - 168.029 · $1,550
This beautiful 1969 Omega Constellation with linen dial has been fully serviced and confirmed to have all original parts.

  • Condition: Fully serviced, with original parts replaced and confirmed by a specialty watchmaker
  • Year Of Manufacture: 1969
  • Dial Type: linen dial
Posted at
May 20, 2026, 6:26 PM
Active
[WTS] Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020  Mens Watch $1200

Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020 Mens Watch $1200

Omega - 166.0261 · $1,200
This Omega Constellation features an automatic movement and a fluted bezel, housed in a stainless steel and 18k gold case.

  • Condition: Preowned, In Good condition with some wear and marks
  • Movement: Cal 1020 Automatic
  • Case material: Stainless steel & 18k Gold
  • Band size: up to 19 cm
Posted at
May 18, 2026, 7:07 PM
Active
[WTS] Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

This Omega Constellation 34MM features a peacock blue dial with factory diamond hour markers, small seconds subdial, and iconic Constellation star.

  • Condition: Very good
  • Case Diameter: 34mm
Posted at
May 18, 2026, 4:49 PM
Active
[WTS] Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega - 162.027 · $900
A used vintage Omega Constellation featuring an automatic caliber 564 movement with a quickset date, white-gold bezel and 'linen' dial.

  • Condition: 7.5/10, minor scratches on crystal and dial visible under strong light
  • Movement: caliber 564, automatic
  • Case dimensions: 35mm diameter (without crown), 40.5mm diameter (with crown)
  • Thickness: 10mm
Posted at
May 18, 2026, 2:20 PM
Active
[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,350
A 1966 Omega Constellation Pie Pan reference number 14902, in good condition with a gold filled bezel and lugs.

  • Condition: good condition with wear and aging on the dial
  • Case width: 34mm
  • Bezel and lugs material: gold filled
  • Year: 1966
Posted at
May 15, 2026, 2:36 PM
Active