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.
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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 Chronometer Certified 168.018 with original bracelet

OMEGA Constellation Chronometer Certified 168.018 with original bracelet

OMEGA - 168.018 $1,500
This Omega Constellation Chronometer is a certified timepiece with an automatic Cal 564 movement and a stainless steel case measuring 35 x 40mm in diameter.

  • Condition: excellent condition
  • Movement type: Cal 564 Automatic
  • Jewels: 24
  • Beats per hour: 19800
Posted at
Sep 2, 2025, 9:12 PM
Active
[WTS] [USA] omega constellation 41mm

[USA] omega constellation 41mm

Omega - Constellation $3,500
A 41mm Omega Constellation is being sold for $3500 OBO.

  • Size: 41mm
Posted at
Sep 2, 2025, 4:56 PM
Active
[WTS] Ultra thin OMEGA Constellation Chronometer Certified 167.021 with extra bracelet

Ultra thin OMEGA Constellation Chronometer Certified 167.021 with extra bracelet

OMEGA - 167.021 $1,300
This Omega Constellation Chronometer is a rare ultra-thin model certified by the brand. It features an automatic movement with 24 jewels and a silver dial with original handset.

  • Condition: Excellent with normal signs of wear and use
  • Case dimensions: 33 x 39mm, thickness 8mm, 19mm lug width
  • Crystal condition: Acrylic crystal is free from scratches
  • Movement specs: Cal 712 Automatic 24 Jewels 19800 beats per hour
Posted at
Sep 2, 2025, 10:18 AM
Active
[WTS] 1963 Omega Constellation (Ref. 167.005)

1963 Omega Constellation (Ref. 167.005)

Omega - 167.005 $1,999
A 1963 Omega Constellation watch featuring a classic design, chronometer-rated movement, and distinctive Geneva Observatory caseback.

  • Condition: Excellent
  • Movement: 551
  • Case material: stainless steel
  • Size: 34mm
Posted at
Sep 1, 2025, 8:43 AM
Active
[WTS] Omega constellation 馃寣 perpetual calendar

Omega constellation 馃寣 perpetual calendar

This is a quartz version of the Omega Constellation Perpetual Date, featuring a black and silver design with a rare blue dial. The watch has been serviced in 2023 and comes with an 18k omega stamp and clean sapphire crystal.

  • Condition: Excellent
  • Diameter: 35.5mm
  • Movement Type: Quartz
  • Crystal Type: Sapphire
Posted at
Aug 31, 2025, 6:16 PM
Active