Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / MOP Supernova

Reference 123.50.27.20.55.001

About this watch

The Omega Constellation Co-Axial 27 Brushed Red Gold / MOP Supernova is a masterpiece of luxury watchmaking, boasting a stunning design and innovative technology. Crafted from brushed red gold, this 27mm round case exudes warmth and sophistication, while the mother-of-pearl dial shimmers beautifully under any light. The fixed 12-hour bezel complements the overall aesthetic, and the sapphire crystal provides durability and scratch resistance. At the heart of this timepiece is the Omega Caliber 8521, a self-winding movement featuring the Co-Axial escapement for enhanced precision, stability, and durability. This watch displays hours, minutes, and seconds, with a date function seamlessly integrated into the design. Certified as a chronometer, it meets high standards of precision and reliability. With a water resistance of up to 100 meters, this watch can handle splashes and brief immersions without a hitch.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 8521 self-winding movement
  • Co-Axial escapement for enhanced precision and stability
  • Certified chronometer with high standards of precision and reliability
  • Water resistance up to 100 meters
  • Mother-of-pearl dial with gem-set indexes
  • Brushed red gold case with a 27mm diameter
  • Sapphire crystal for durability and scratch resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / MOP Supernova
Reference
123.50.27.20.55.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[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 Β· $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 πŸ‡¨πŸ‡­

Omega Constellation 2-Tone Automatic πŸ‡¨πŸ‡­

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

Omega - 130.33.39.21.02.001 Β· $4,250
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 Β· $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
[WTS] Demi Gold Omega Constellation Pie Pan Ref. 168.005 with Applied Indices | Great Condition (Serviced) | $2600

Demi Gold Omega Constellation Pie Pan Ref. 168.005 with Applied Indices | Great Condition (Serviced) | $2600

Omega - 168.005 Β· $2,600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking, featuring a distinctive pie-pan dial and chronometer-certified accuracy.

  • Condition: Great, serviced
  • Movement: Omega Caliber 564, automatic, 24 jewels, chronometer certified
  • Case size: 34.5mm diameter
  • Lugs: Sculpted dog-leg lugs
Posted at
Dec 25, 2025, 11:14 PM
Active
[WTS] Omega Constellation. Globemaster. 39mm. πŸ”₯ Dial.

Omega Constellation. Globemaster. 39mm. πŸ”₯ Dial.

Omega - 130.30.39.21.03.001 Β· $4,400
A Omega Constellation Globemaster, a 39mm watch with additional details provided in the listing.

  • Case Size: 39mm
  • Box And Papers: yes
Posted at
Dec 24, 2025, 11:19 AM
Active
[WTS] OMEGA Constellation - 368.1201 - 2006 - Amazing condition - Lowest price online with price match ⭐️

OMEGA Constellation - 368.1201 - 2006 - Amazing condition - Lowest price online with price match ⭐️

OMEGA - 368.1201 Β· $1,595
The Omega Constellation 368.1201 is an automatic stainless steel watch with a white linen dial, featuring a 35.5mm diameter and 10mm thickness. It has a 3ATM water resistance rating and comes with a nice integrated bracelet.

  • Condition: Excellent
  • Diameter: 35.5mm
  • Thickness: 10mm
  • Water Resistance: 3ATM
Posted at
Dec 23, 2025, 10:28 AM
Active