Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / Brown MOP

Reference 123.55.27.20.57.001

About this watch

The Omega Constellation Co-Axial 27 represents a perfect fusion of elegance, functionality, and innovative technology. With its brushed red gold case, gem-set bezel, and brown mother-of-pearl dial, this watch is designed to captivate attention. At the heart of this watch is the Omega caliber 8521 movement, known for its reliability and precision. It features a self-winding mechanism with a Co-Axial escapement, which enhances the watch’s accuracy while reducing friction. The Omega Constellation Co-Axial 27 boasts an impressive water resistance of up to 100 meters, protected by a sapphire crystal. This makes it suitable for swimming and snorkeling, although it’s advisable to avoid diving. With a power reserve of 50 hours and a frequency of 25,200 vibrations per hour, this watch is engineered for performance.
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MSRP: $26,800
Market Price: $11,814

Key Features

  • Brushed red gold case
  • Gem-set bezel with diamonds
  • Brown mother-of-pearl dial
  • Omega caliber 8521 movement
  • Co-Axial escapement
  • Sapphire crystal protection
  • 100m water resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Diamond / Brown MOP
Reference
123.55.27.20.57.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

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This Omega Constellation Pie Pan watch is a classic, elegant, and beautiful timepiece with an original untouched dial and two-tone variant. It features sharp angular lugs known as 'dog leg' and has been serviced in the past to keep accurate time.

  • Condition: pre-owned
  • Diameter: 35mm
  • Lug width: 18mm
  • Strap material: red leather
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Mar 30, 2026, 8:10 PM
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[WTS] Omega Constellation. Double Eagle. $1350 only !!

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A Omega Constellation Double Eagle, in good condition, suitable for everyday use.

  • Condition: Good daily wear
  • Lume quality: nice
  • Case size: 38/39mm
  • Shipping method: Fedex with insurance
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[WTS] 1959 Omega Constellation ref. 14393 gold capped w/ Cal. 561 – crosshair dial – $1575 shipped

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  • Condition: Excellent with honest presentation
  • Movement: Cal. 561 automatic movement
  • Dial: Original sunburst crosshair dial
  • Service: Freshly serviced in March 2026
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  • Condition: great shape with minor scuffing on the bracelet
  • Crystal clarity: clear
  • Bracelet stretch: little to no stretch
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[WTS] Omega Constellation Day-Date Ref. 396.1080 Two-Tone

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  • Condition: Good with expected light wear to the bracelet and case
  • Case Diameter: 33mm
  • Bezel Material: 18k yellow gold
  • Crystal Type: Sapphire
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[WTS] Omega Constellation 168.027 1968 "Linen dial" with white gold bezel

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  • Condition: 7.5/10
  • Movement: caliber 564
  • Case condition: slight marks on the dial visible under strong artificial light
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Mar 29, 2026, 12:57 PM
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[WTS] 1959 Omega Constellation patina Pie Pan dial ref. 14381 with original bracelet!! Serviced!! - $1890 shipped!

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  • Condition: 9/10
  • Case size: 34.5mm
  • Movement caliber: 551
  • Bracelet type: Original Omega bracelet
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  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
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Posted at
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