Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Wavy MOP

Reference 123.10.27.20.55.002

About this watch

The Omega Constellation Co-Axial 27 exudes luxury and style with its refined brushed stainless steel case, perfectly balanced 27mm diameter, and exquisite wavy mother-of-pearl dial that catches the light beautifully. The automatic Omega caliber 8520 movement, equipped with a Co-Axial escapement, enhances precision and reduces friction, ensuring a longer lifespan for the watch. With a power reserve of 50 hours and water resistance up to 100 meters, this timepiece is perfect for everyday wear. Chronometer certified, it features a date function and dauphine hands that provide excellent legibility. The brushed stainless steel bracelet is comfortable and secure, designed to fit snugly on your wrist without feeling too tight.
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MSRP: $6,900
Market Price: $3,597

Key Features

  • Omega caliber 8520 automatic movement
  • Co-Axial escapement for enhanced precision and reduced friction
  • Chronometer certified for accuracy
  • Water resistance up to 100 meters
  • Sapphire crystal for added durability
  • Date function with easy-to-read display
  • Dauphine hands for excellent legibility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Wavy MOP
Reference
123.10.27.20.55.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

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This Omega Constellation is a two-tone, 34mm watch from the 1990s with an 18k gold case and quartz movement. The dial is extremely clean and has minor scratches on the bezel.

  • Condition: very good
  • Case material: 18k gold
  • Movement type: quartz
  • Case size: 34mm
Posted at
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  • Condition: Like new, serviced in July 2019
  • Bracelet material: 9k gold
  • Bracelet weight: 30.3g
  • Caliber: 551
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  • Movement: Omega Caliber 751 automatic chronometer
  • Crystal: replacement plexiglass
  • Crown: correct original signed crown
Posted at
Jun 30, 2025, 11:55 AM
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  • Condition: Good (9/10)
  • Case Material: 18k or 14k gold and steel
  • Caliber: Automatic 551
Posted at
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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