Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Tahiti MOP

Reference 123.15.27.20.57.003

Omega Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Tahiti MOP

About this watch

The Omega Constellation Co-Axial 27 embodies the spirit of Omega's commitment to innovation and craftsmanship, combining elegance with precision in a stunning timepiece. With a round case diameter of 27.00 mm and brushed stainless steel, it exudes modern yet timeless appeal. The gem-set bezel and diamond accents signify luxury, while the scratch-resistant sapphire glass ensures daily wear remains pristine. The automatic Omega caliber 8520 movement keeps precise time with remarkable reliability, backed by a water resistance of 100 meters. This versatile watch seamlessly transitions between professional settings and casual outings, making it a statement piece that reflects sophistication and elegance.
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Key Features

  • Brushed stainless steel case
  • Automatic Omega caliber 8520 movement
  • Scratch-resistant sapphire glass
  • Water resistance up to 100 meters
  • Gem-set bezel with diamond accents
  • Chronometer certified for accuracy
  • Power reserve of 50 hours

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Tahiti MOP
Reference
123.15.27.20.57.003
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 27mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Globemaster Silver Dial - Full Kit

Omega Constellation Globemaster Silver Dial - Full Kit

Omega - Constellation Globemaster · $5,500
Up for sale is my Omega Constellation Globemaster in stainless steel with the silver “pie-pan” dial, featuring a 39mm case size, Omega Caliber 8900 movement and METAS Master Chronometer certification.

  • Condition: normal wear for its age
  • Case Size: 39 mm
  • Case Material: stainless steel
  • Dial Color: silver
Posted at
Feb 15, 2026, 6:13 PM
Active
View listing on r/WatchExchange
[WTS] Vintage Omega Constellation unpolished Ref. 168.029 Day-Date $815 shipped

Vintage Omega Constellation unpolished Ref. 168.029 Day-Date $815 shipped

Omega - 168.029 · $815
This is a late 1960s–early 1970s Omega Constellation with a Gerald Genta design. It features an unpolished case and solid 18k white gold fluted bezel.

  • Condition: Pre-owned, serviced
  • Material: 18k white gold
  • Bracelet type: 1040 'brick' bracelet
Posted at
Feb 14, 2026, 9:07 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Gold Capped (Automatic)

Omega Constellation Gold Capped (Automatic)

Omega - Constellation Gold Capped (Automatic) · $900
This Omega Constellation features a rare red seconds hand and was serviced last year.

  • Condition: some wear
  • Case diameter: 35 MM
Posted at
Feb 13, 2026, 11:13 PM
Active
View listing on r/WatchExchange
[WTS] Omega constellation chronometer ref 198.0104 & Omega Polaris Ref 396.1022.

Omega constellation chronometer ref 198.0104 & Omega Polaris Ref 396.1022.

Omega · $700
The seller is listing two vintage Omega watches: a Constellation chronometer quartz (ref 198.0141) and an Omega Polaris (ref 396.1022). Both watches are from the 1980s, feature sapphire crystals, and have strap sizes up to 7.5 inches.

  • Condition: very close to perfect
  • Case size: 29mm without crown x 33mm
  • Movement: Omega Cal: 1431 Quartz
  • Crystal type: Sapphire Crystal
Posted at
Feb 12, 2026, 8:29 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Jumbo 14777-61SC 37mm | Good Condition (Serviced) | $1600

Omega Constellation Jumbo 14777-61SC 37mm | Good Condition (Serviced) | $1600

Omega - 14777-61SC · $1,600
The Omega Constellation Jumbo Ref. 14777-61SC is a vintage watch with a clean, flat dial aesthetic and a modern wrist presence. It features a stainless steel case with beautifully curved lugs and a sharp bezel, and powers Omega's Caliber 561 chronometer-rated automatic movement.

  • Condition: Good (serviced)
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement: Caliber 561 (chronometer-rated automatic movement with date complication)
Posted at
Feb 10, 2026, 11:15 PM
Active
View listing on r/WatchExchange
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650
The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • 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
View listing on RolexForums