Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Black Supernova

Reference 123.15.27.20.51.001

About this watch

When it comes to luxury watches, Omega is a name that reverberates with elegance and precision. The Omega Constellation Co-Axial 27 stands out for its exquisite craftsmanship and stunning aesthetics. This model features a sleek design crafted from brushed stainless steel and adorned with diamond accents. Its round shape offers versatility that complements a range of outfits, from casual to formal. The gem-set bezel adds an element of luxury, making the Supernova not just a timepiece but a statement piece. At the core of this timepiece is the renowned Omega Caliber 8520. This automatic movement showcases Omega's commitment to precision and reliability. With a frequency of 25200 vibrations per hour and a power reserve of 50 hours, this movement ensures that the watch keeps accurate time, even when it’s not worn for a couple of days. One of the highlights of the Caliber 8520 is its Chronometer certification. This means that it has passed rigorous testing for accuracy, making it a trustworthy companion for any occasion.
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MSRP: $9,300
Market Price: $3,532

Key Features

  • Omega Caliber 8520 Automatic Movement
  • Chronometer-Certified Accuracy
  • Water Resistance up to 100 meters
  • Gem-Set Bezel and Indexes
  • Sapphire Glass Crystal
  • Dauphine Hands with Luminescent Tips

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / Black Supernova
Reference
123.15.27.20.51.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 27mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

A well-maintained Omega Constellation Pie Pan watch available for sale.

  • Condition: Very clean example!
Posted at
Feb 19, 2026, 6:39 PM
Active
[WTS](CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

(CONUS) Omega Constellation 168.047 - Vintage 1970s - Priced to Sell - Serviced - $750

Omega - 168.047 · $750
This Omega Constellation ref 168.047 is a vintage watch from the 1970s with a replaced dial, hands, crystal, and gasket. The case has superficial scratches, but the rest of the watch is in good condition.

  • Condition: Very good
  • Case Size: 40mm x 33mm
  • Movement Calibre: 1001
  • Movement Accuracy: +/- 15 secs a day
Posted at
Feb 19, 2026, 5:35 PM
Active
[WTS] Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped, Duties Covered

Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped, Duties Covered

Omega - 168.005 · $2,500
This Omega Constellation 'Pie Pan' features a steel case with sunburst dial, automatic movement with date, dog-legged lugs, and inlaid black onyx markers. The watch has been recently serviced and comes paired with a new textured calf-leather strap.

  • Condition: Excellent, well-preserved
  • Case Size: 35mm diameter
  • Movement Caliber: 561 Automatic Date
  • Dial Color: White sunburst
Posted at
Feb 19, 2026, 9:23 AM
Active
[WTS] Omega Constellation Ref 168.017 - Vintage

Omega Constellation Ref 168.017 - Vintage

Omega - 168.017 · $1,550
1966 Omega Constellation Ref 168.017 with White Pearl Dial Caliber 564, in great condition and fully functional.

  • Condition: GREAT condition
  • Year Of Manufacture: 1966
  • Material: Gold-cap on Stainless Steel
  • Thickness: 200 microns (greater resistance and durability)
Posted at
Feb 19, 2026, 4:30 AM
Active
[WTS] Omega Constellation Ref 166.063 - Vintage

Omega Constellation Ref 166.063 - Vintage

Omega - 166.063 · $1,250
1960s Omega Constellation in good condition, featuring Caliber 1001 and a gold-cap on stainless steel case.

  • Condition: good condition
  • Year Of Manufacture: 1960s
  • Case Material: Gold-cap on Stainless Steel
  • Water Resistance: 200 microns
Posted at
Feb 17, 2026, 5:17 PM
Active
[WTS] Omega Constellation Jumbo Ref : 168.001 14K Gold Bezel Condition Good Price : 2000$

Omega Constellation Jumbo Ref : 168.001 14K Gold Bezel Condition Good Price : 2000$

Omega - 168.001 · $2,000
This Omega Constellation Jumbo features a 14K gold bezel and is in good condition, measuring 37mm in size with an original dial powered by the Caliber 561 movement.

  • Condition: Good
  • Material: 14K Gold Bezel
  • Diameter: 37mm
  • Calibre: Caliber 561
Posted at
Feb 17, 2026, 6:00 AM
Active
[WTS] Omega Constellation Globemaster Silver Dial - Full Kit

Omega Constellation Globemaster Silver Dial - Full Kit

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
[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
[WTS] Omega Constellation Gold Capped (Automatic)

Omega Constellation Gold Capped (Automatic)

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