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: Excellent with honest presentation
  • Movement: Cal. 561 automatic movement
  • Dial: Original sunburst crosshair dial
  • Service: Freshly serviced in March 2026
Posted at
Mar 30, 2026, 12:58 PM
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  • Condition: great shape with minor scuffing on the bracelet
  • Crystal clarity: clear
  • Bracelet stretch: little to no stretch
Posted at
Mar 30, 2026, 10:08 AM
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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
Posted at
Mar 29, 2026, 3:25 PM
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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
Posted at
Mar 29, 2026, 10:57 AM
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[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1300 SHIPPED

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  • Condition: Pre-owned, serviced a few years back
  • Case material: Steel, two tone (gold capped lugs)
  • Diameter: 35mm
  • Lug width: 18mm
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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
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active