Omega Constellation Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / Diamond / MOP

Reference 127.25.27.20.55.002

About this watch

The Omega Constellation Co-Axial Master Chronometer 27 is a masterpiece of luxury watchmaking. Its stunning mother-of-pearl dial radiates an iridescent beauty that changes with the light, while its gem-set indexes and Dauphine hands add to its elegance. Powered by the Omega caliber 8704, this automatic movement boasts a Co-Axial escapement, reducing friction and enhancing precision and longevity. Certified as a Master Chronometer by METAS, it withstands magnetic fields of up to 15,000 gauss. With a water resistance rating of 100 meters, this watch is versatile enough for everyday wear. Its stainless steel and yellow gold bracelet is both stylish and comfortable, making it perfect for formal occasions or casual outings.
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Key Features

  • Omega caliber 8704 automatic movement
  • Co-Axial escapement for reduced friction
  • Master Chronometer certification by METAS
  • Water resistance up to 100 meters
  • Stainless steel and yellow gold bracelet
  • Mother-of-pearl dial with gem-set indexes
  • Dauphine hands coated in rhodium

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / Diamond / MOP
Reference
127.25.27.20.55.002
Movement
8704
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
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
Dec 8, 2025, 9:05 PM
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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
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  • Condition: Great serviced condition
  • Case size: 35mm diameter
  • Movement type: automatic
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  • Condition: Great condition with minor signs of wear
  • Case size: 35mm (without crown)
  • Lug to lug: 38mm
  • Lug width: 23mm
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  • Condition: Preowned with wear, dents, and marks
  • Case material: stainless steel
  • Movement: quartz
  • Band size: approximately 18 cm
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  • Condition: Good condition, minor scratches and natural marks for its age
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  • Lug width: 19mm
  • Movement: Caliber 561, chronometer-rated automatic with date complication
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  • Condition: Excellent
  • Diameter: 35.5mm
  • Thickness: 10mm
  • Water Resistance: 3ATM
Posted at
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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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