Omega Constellation Constellation Co-Axial 31 Red Gold / MOP

Reference 123.50.31.20.05.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / MOP (Model: 123.50.31.20.05.001) is a statement piece that balances elegance and functionality. Crafted from 18 Ct red gold, it features an exquisite Mother of Pearl dial with a unique, iridescent quality. The watch boasts a self-winding Omega Caliber 8521 movement with Co-Axial escapement, ensuring precision, stability, and durability. With a water resistance of up to 100 meters and a sapphire crystal glass, this timepiece is designed to keep up with your lifestyle. Its versatility makes it suitable for any occasion, whether formal or casual. The Omega Constellation Co-Axial 31 Red Gold / MOP is more than just a watch; it's a piece of art, a conversation starter, and a reliable companion.
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Key Features

  • 18 Ct red gold case
  • Mother of Pearl dial with iridescent quality
  • Self-winding Omega Caliber 8521 movement
  • Co-Axial escapement for precision and durability
  • Water resistance up to 100 meters
  • Sapphire crystal glass for scratch-resistant properties
  • Versatile design suitable for formal or casual occasions

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / MOP
Reference
123.50.31.20.05.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] [USA] omega constellation 41mm

[USA] omega constellation 41mm

Omega - Constellation ยท $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 ยท $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 ยท $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 ๐ŸŒŒ perpetual calendar

Omega constellation ๐ŸŒŒ 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