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

Reference 123.50.27.20.55.001

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

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.
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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 Quartz $500 SHIPPED

Omega Constellation Quartz $500 SHIPPED

Omega - Constellation Quartz · $500
This Omega Constellation Quartz is a pre-owned watch in good working order, measuring 36.6mm and featuring an aftermarket leather strap.

  • Condition: pre-owned working condition
  • Case size: 36.6mm
  • Strap type: aftermarket leather strap
Posted at
Apr 16, 2026, 11:16 PM
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[WTS] Excellent Omega Constellation Ref 1335.76.00 MOP Dial Steel and Yellow Gold Two Tone Diamond's Bezel Ladies Watch W/ Original Box And Travel Case $1500

Excellent Omega Constellation Ref 1335.76.00 MOP Dial Steel and Yellow Gold Two Tone Diamond's Bezel Ladies Watch W/ Original Box And Travel Case $1500

Omega - 1335.76.00 · $1,500
This Omega Constellation ladies watch features a MOP dial, two-tone steel and yellow gold case, and diamond bezel. It comes with the original box and travel case.

  • Condition: In Preowned condition, With Little wear and Marks
  • Movement: Quartz
  • Case material: Stainless steel, Yellow Gold
  • Dial material: MOP (Mother of Pearl)
Posted at
Apr 16, 2026, 3:07 PM
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[WTS] 1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2400 (SERVICED)

1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2400 (SERVICED)

Omega - 168.005 · $2,400
The Omega Constellation Ref. 168.005 is a highly sought-after dress watch from the 1960s, featuring a silver sunburst dial and solid gold faceted indices.

  • Condition: Great Condition | All Original | Serviced
  • Movement: Serviced Automatic Chronometer-rated Caliber 564
  • Dial: Original silver sunburst dial with applied gold-tone logo and faceted gold markers
  • Case: 34.5mm Gold-capped stainless steel construction with iconic Dog-leg lugs
Posted at
Apr 16, 2026, 9:38 AM
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[WTS] 1973 Omega Constellation ref. 168.0056 w/ Cal. 1011 – gold-capped case, solid 14k bezel – $1,050 all-in

1973 Omega Constellation ref. 168.0056 w/ Cal. 1011 – gold-capped case, solid 14k bezel – $1,050 all-in

Omega - 168.0056 · $1,050
A 1973 Omega Constellation ref. 168.0056 features a gold-capped case, solid 14k bezel, clean original dial, and well-preserved gold medallion on the caseback.

  • Condition: Good overall condition with expected hairline scratches from age and normal wear, original parts preserved
  • Case diameter: 34.5mm
  • Lug width: 19mm
  • Movement caliber: Cal. 1011
Posted at
Apr 16, 2026, 9:08 AM
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[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
  • Type: caseback
  • Compatibility: 1960s Seamasters and Constellations
Posted at
Apr 15, 2026, 7:48 PM
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[WTS] Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,850
For sale is a super cool vintage Omega Constellation Pie Pan reference number 14902 from 1966. The watch has been serviced recently and comes with service papers.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Material: Gold filled
Posted at
Apr 15, 2026, 10:31 AM
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[WTS] Omega Constellation Co-Axial 35mm 123.20.35.20.02 - $2,144 shipped express worldwide

Omega Constellation Co-Axial 35mm 123.20.35.20.02 - $2,144 shipped express worldwide

Omega - 123.20.35.20.02 · $2,144
The Omega Constellation Co-Axial is a 35mm watch featuring a Co-Axial Calibre 2500 movement and 100m water resistance.

  • Condition: Used
  • Case Size: 35mm
  • Lug To Lug Length: 39mm
  • Lug To Lug Width: 23mm
Posted at
Apr 15, 2026, 9:47 AM
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[WTS] Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega - 396.1070 · $850
This is a vintage Omega Constellation Manhattan watch with a silvery white dial, blue hands and dial printing, featuring a 33mm diameter case and a wide integrated bracelet.

  • Condition: Very good
  • Case Diameter: 33mm
  • Lug To Lug Length: 35.2mm
  • Bracelet Size: large enough for ~6.75" wrist
Posted at
Apr 15, 2026, 9:42 AM
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[WTS] PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and one in two-tone. Both have 33mm cases with oversized bezels and integrated bracelets.

  • Condition: Pre-owned, unpolished with some age-related wear and patina
  • Case Diameter: 33MM
  • Bracelet Length: [object Object]
  • Movement Type: Swiss quartz with quickset date
Posted at
Apr 13, 2026, 10:05 PM
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