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

Reference 123.20.27.20.57.002

About this watch

The Omega Constellation Co-Axial 27 is a stunning luxury watch that embodies the spirit of elegance and sophistication. With its harmonious blend of brushed stainless steel and yellow gold, this watch captures attention without screaming for it. The champagne mother of pearl (MOP) dial adds a touch of luxury, making it perfect for both casual and formal occasions. The Omega caliber 8520 automatic movement boasts precision and reliability, featuring a 50-hour power reserve and accurate timekeeping thanks to its frequency of 25,200 vibrations per hour. This timepiece is equipped with hours, minutes, seconds, and a date function, making it an excellent addition to any wardrobe. Whether you're in a boardroom or at a gala, the Constellation Co-Axial 27 fits seamlessly into any environment. With its gem-set indexes and sapphire glass, this watch is not just a pretty face but also durable and water-resistant up to 100 meters. Wearing the Omega Constellation Co-Axial 27 is an experience in itself, with its weight feeling substantial yet comfortable on the wrist. The smooth movements of the hands across the dial are mesmerizing, almost like a gentle dance. This watch adapts to your style, making it perfect for both casual and formal attire.
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Key Features

  • Omega caliber 8520 automatic movement
  • 50-hour power reserve
  • Sapphire glass for scratch protection
  • Water resistance up to 100 meters
  • Gem-set indexes for added luxury
  • Dauphine hands for classic touch
  • Champagne mother of pearl dial

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / Champagne MOP
Reference
123.20.27.20.57.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Crystal
Sapphire
Water Resistance
100

Current Listings

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This Omega Constellation in 10k gold-filled is a classic watch with understated luxury and timeless style, perfect for everyday wear.

  • Condition: Pre-owned with new battery
  • Case Size: 34mm diameter
  • Material: 10k gold-filled
  • Strap: High-quality AM strap
Posted at
Jan 14, 2026, 1:49 AM
Active
[WTS] Omega Constellation linen dial ref 168017 cal 564

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This Omega Constellation features a gold linen dial and comes equipped with an automatic movement powered by caliber 564. It's ready to be worn with its new generic strap and buckle.

  • Condition: Pre-owned, requires servicing
  • Movement: caliber 564
  • Functions work: yes all functions are working
Posted at
Jan 12, 2026, 12:05 PM
Active
[WTS] 1958 Omega Constellation ‘Pie Pan’ Arrowhead Ref. 2852-1SC | Good Condition (Serviced) | $2850

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Omega - 2852-1SC · $2,810
The Omega Constellation 'Pie Pan' Arrowhead Ref. 2852-1SC is one of the most sought-after and distinctive Constellation references from the mid-1950s. This particular example features the iconic 'Pie-Pan' dial with large applied arrowhead hour markers, often referred to by collectors as 'Arrowhead' indices.

  • Condition: Good, serviced
  • Case diameter: 34.5mm (excluding crown)
  • Lug-to-lug distance: 43.5mm
  • Thickness: 11mm
Posted at
Jan 12, 2026, 10:11 AM
Active
[WTS] Omega Constellation Pie Pan Ref. 168.005 with Original BoR Bracelet | Great Condition (Serviced) | $2700

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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 condition, serviced
  • Case size: 34.5mm diameter
  • Movement type: Automatic
  • Jewels: 24
Posted at
Jan 10, 2026, 10:00 PM
Active
[WTS] Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

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  • Condition: Good overall with light, honest wear
  • Case material: titanium
  • Diameter: 41mm
Posted at
Jan 10, 2026, 9:22 PM
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[WTS] Omega Constellation 🌌 Gerald Genta

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  • Gerald genta design: true
Posted at
Jan 10, 2026, 5:07 PM
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  • Case size: 39mm
  • Diameter: 39mm
Posted at
Jan 9, 2026, 7:58 PM
Active