Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars

Reference 123.55.27.20.05.001

Omega Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars

About this watch

The Omega Constellation Co-Axial 27 stands out as a dazzling example of craftsmanship and elegance. Crafted from brushed yellow gold, this watch exudes opulence with its gem-set bezel adding a touch of sparkle. The mother of pearl (MOP) dial adorned with a beautiful star motif is an artistic expression showcasing the mastery of Omega's craftsmanship. With its self-winding movement equipped with a Co-Axial escapement and free sprung-balance system, this watch is built to withstand everyday activities while keeping accurate time. Its 50-hour power reserve and water resistance of 100 meters make it a reliable companion for any occasion. Whether you're heading to a gala or a brunch date, the Constellation Co-Axial 27 can elevate your outfit with its exquisite design and comfortable wear.
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MSRP: $25,000
Market Price: $8,931

Key Features

  • Omega caliber 8521 self-winding movement
  • Co-Axial escapement for enhanced precision
  • 50-hour power reserve
  • 100m water resistance
  • Gem-set bezel for added sparkle
  • Mother of pearl (MOP) dial with star motif
  • Brushed yellow gold case for luxurious appearance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars
Reference
123.55.27.20.05.001
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

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  • Condition: Exceptional for ~50 years old
  • Case Shape: cushion-shaped
  • Case Plating: gold-plated
  • Dial Type: sunburst champagne
Posted at
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  • Condition: Pre-owned, some damage (cracked crystal)
  • Bracelet type: Original brick style
  • Crown origin: Constellation pie pan
  • Serviced: Yes, couple years ago
Posted at
Dec 7, 2025, 4:58 PM
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  • Condition: Great serviced condition
  • Case size: 35mm diameter
  • Movement type: automatic
Posted at
Dec 7, 2025, 12:31 PM
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  • Condition: Great condition with minor signs of wear
  • Case size: 35mm (without crown)
  • Lug to lug: 38mm
  • Lug width: 23mm
Posted at
Dec 6, 2025, 8:54 PM
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Dec 6, 2025, 2:26 PM
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[WTS] Vintage Omega Constellation Marine 596.0029 Steel Ladies Watch $600

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A vintage Omega Constellation Marine ladies watch in stainless steel case, powered by a quartz movement.

  • Condition: Preowned with wear, dents, and marks
  • Case material: stainless steel
  • Movement: quartz
  • Band size: approximately 18 cm
Posted at
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  • Condition: Good condition, minor scratches and natural marks for its age
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement: Caliber 561, chronometer-rated automatic with date complication
Posted at
Dec 4, 2025, 10:35 PM
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A pre-owned Omega Constellation 368.1201 in excellent condition, featuring an automatic stainless steel movement with a white linen dial and a 35.5mm diameter integrated bracelet.

  • Condition: Excellent
  • Diameter: 35.5mm
  • Thickness: 10mm
  • Water Resistance: 3ATM
Posted at
Dec 4, 2025, 2:59 PM
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[WTS] Omega Constellation Automatic Chronometer Ref. 167.005 | Great Condition (Serviced) | $1250

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  • Condition: great serviced condition
  • Movement: Omega Caliber 551
  • Power reserve: over 40 hours
  • Case size: 34mm
Posted at
Dec 2, 2025, 12:06 PM
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