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

Reference 123.15.27.20.57.003

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.
Buy Now on Jomashop
This is an affiliate link

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] [WW] Omega Omega Constellation Ladies 24mm MOP

[WW] Omega Omega Constellation Ladies 24mm MOP

Omega - 6563-875 · $700
The Omega Constellation Ladies watch features a stainless steel case with a mother-of-pearl dial. It has a quartz movement for accurate timekeeping and comes with its original box and papers.

  • Condition: Good - shows signs of wear (scratches on bracelet and bezel, also there are dents on the back case)
  • Case Material: Stainless Steel
  • Movement: Quartz
  • Bracelet Length: 180mm (approx.)
Posted at
Jan 6, 2026, 3:13 PM
Active
[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 · $900
This Omega Constellation is a beautiful example from 1966 with an original dial and hands.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick
Posted at
Jan 6, 2026, 10:25 AM
Active
[WTS] OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

The OMEGA Constellation Ref. 123.20.35.20.06.001 features a distinctive stainless steel and yellow gold case with Roman numeral-engraved bezel, a captivating grey dial with date window at 3 o'clock, and an integrated yellow gold and stainless steel bracelet.

  • Condition: VERY GOOD with some light scratches on the bracelet
  • Case material: yellow gold and stainless steel
  • Bracelet size: ~7"
  • Bracelet condition: pre-sized
Posted at
Jan 3, 2026, 5:15 AM
Active
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $5,575
A rare and highly desirable 1960s Omega Constellation Ref. 14393 in 18K rose gold, featuring a silver pie-pan dial and 34mm case size.

  • Case size: 34mm
  • Year of production: 1960s
  • Case material: 18K rose gold
Posted at
Jan 1, 2026, 7:47 PM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
The Omega Constellation C Shape features a stainless steel 35mm case, off white dial, and automatic calibre 564 movement.

  • Condition: great, no major dents or scratches
  • Case Size: 35mm diameter
  • Movement: calibre 564 automatic
Posted at
Dec 30, 2025, 9:33 AM
Active
[WTS] Omega Constellation 2-Tone Automatic 🇨🇭

Omega Constellation 2-Tone Automatic 🇨🇭

A beautiful Omega Constellation Automatic with a 2-tone stainless steel and gold watch, featuring a matching gold dial. The watch has been timegrapher checked and is running around -17spd.

  • Condition: Great condition with minor signs of wear
  • Bracelet size: 7-8 inches
  • Case dimensions: 35mm diameter, 38mm lug to lug, 23mm lug width, 7mm thickness
  • Movement accuracy: -17 spd
Posted at
Dec 28, 2025, 9:35 PM
Active
[WTS] Omega Globemaster Constellation 130.33.39.21.02.001

Omega Globemaster Constellation 130.33.39.21.02.001

Up for sale is an Omega Globemaster Constellation in great condition, featuring a stainless steel case and automatic Co-Axial Master Chronometer movement.

  • Condition: Great condition overall, light wear on stainless steel case
  • Case size: 39mm diameter
  • Movement type: automatic Co-Axial Master Chronometer
Posted at
Dec 27, 2025, 11:28 PM
Active
[WTS] Excellent Omega Constellation Chronometer 198.0126 Call1333 Mens Watch $500

Excellent Omega Constellation Chronometer 198.0126 Call1333 Mens Watch $500

Omega - 198.0126 · $500
A men's Omega Constellation Chronometer reference 198.0126 made in Switzerland with a quartz cal 1333 movement.

  • Condition: Preowned, with little wear and marks
  • Movement: Quartz Cal 1333
  • Country Of Manufacture: Switzerland
  • Case Material: Stainless steel
Posted at
Dec 27, 2025, 12:40 PM
Active