Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova

Reference 123.50.27.20.55.002

Omega Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of luxury watchmaking, blending elegance and technological innovation. Its stunning brushed yellow gold case gleams with understated sophistication, while the Mother of Pearl dial adds a touch of opulence. The gem-set indexes twinkle like stars in the night sky, providing a perfect contrast against the white background. With its compact yet bold diameter of 27.00 mm, this watch is perfect for both casual outings and formal events. The round shape is timeless, ensuring that this piece won't go out of style anytime soon. The sapphire glass offers durability and provides a crystal-clear view of the stunning dial. What truly sets the Omega Constellation apart is its impressive movement - the self-winding mechanical Omega caliber 8521 combines traditional watchmaking with modern technology, featuring a Co-Axial escapement that reduces friction between parts for enhanced accuracy and longevity. This timepiece keeps you organized without sacrificing style, equipped with a date function and a water resistance rating of 100 meters. Wearing the Constellation Co-Axial 27 feels like putting on a piece of art, its weighty yet comfortable feel on the wrist is a testament to Omega’s craftsmanship.
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Key Features

  • Omega caliber 8521 self-winding mechanical movement
  • Mother of Pearl dial with gem-set indexes
  • Sapphire glass for scratch-free durability
  • Co-Axial escapement for enhanced accuracy and longevity
  • Date function for organization without sacrificing style
  • Water resistance rating of 100 meters for versatility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova
Reference
123.50.27.20.55.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Manhattan Day Date Two Tone - AP Bamboo Vibes For Just $995 SHIPPED!

Omega Constellation Manhattan Day Date Two Tone - AP Bamboo Vibes For Just $995 SHIPPED!

Omega - Constellation Manhattan Day Date Two Tone · $995
This Omega Constellation Manhattan is a fantastic choice for those looking for a thin and complicated two-tone watch. It features a crisp white dial with luminescent hands and gold dot markers, and comes on its original integrated bracelet.

  • Condition: Pre-owned, unpolished with age-related wear
  • Case Size: 33MM
  • Bracelet Length: approximately 7.25 inches
  • Movement Type: Swiss quartz
Posted at
May 25, 2026, 7:59 PM
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[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
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[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
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[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
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[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
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[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
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[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
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[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

Omega - 131.10.34.20.53.001 · $4,495
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
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[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
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View listing on r/WatchExchange