Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP

Reference 123.20.31.20.55.002

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of horology, blending luxury, precision, and history. This stunning timepiece boasts an exquisite design featuring stainless steel and yellow gold, complemented by a captivating Mother of Pearl (MOP) dial that shimmers like the ocean. Underneath lies the renowned Omega caliber 8520 automatic movement, a marvel of engineering with a power reserve of 50 hours and Co-Axial escapement, reducing friction for enhanced longevity and precision. With its water resistance of 100 meters and sapphire glass protection, this watch is perfect for daily wear. The comfortable design and adjustable links ensure a secure fit, while the gem-set indexes add an opulent touch. As a true investment piece, the Omega Constellation Co-Axial 31 combines timeless aesthetics with cutting-edge technology, making it an ideal choice for watch collectors, individuals seeking precision and reliability, and fashion enthusiasts alike.
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Key Features

  • Omega Caliber 8520 Automatic Movement
  • Co-Axial Escapement with Reduced Friction
  • Water Resistance of 100 Meters
  • Sapphire Glass Protection
  • Mother of Pearl (MOP) Dial
  • Stainless Steel and Yellow Gold Construction
  • Gem-Set Indexes for Opulent Touch

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP
Reference
123.20.31.20.55.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $8,000
This is a very rare 1960s Omega Constellation Ref. 14393 in 18K rose gold, one of the harder to find variants due to its limited production.

  • Material: 18K rose gold
  • Production Year: 1960s
Posted at
Dec 10, 2025, 11:25 AM
Active
[WTS] 1960's Omega Constellation Ref. CD 168.017 14k gold capped automatic chronometer

1960's Omega Constellation Ref. CD 168.017 14k gold capped automatic chronometer

Omega - CD 168.017 · $900
A 1966 Omega Constellation Ref. CD 168.017 features a 14k yellow gold capped stainless steel case and a fantastic dial with a few small scratches on the crystal.

  • Condition: Good used condition
  • Year: 1966
  • Case material: 14k yellow gold capped stainless steel
Posted at
Dec 10, 2025, 12:00 AM
Active
[WTS] omega constellation diamond dial watch $1395

omega constellation diamond dial watch $1395

Omega - null · $1,395
  • Diamond dial: Diamond dial on the Omega Constellation watch
Posted at
Dec 9, 2025, 12:03 PM
Active
Omega Constellation Globemaster Master Chronometer

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The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active