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

Reference 123.20.31.20.05.002

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, boasting an exquisite mother of pearl dial, high-quality materials, and chronometer certification for accuracy. This stunning timepiece combines classic elegance with modern technology, making it perfect for those who appreciate luxury and precision in their timepieces. With its comfortable size and fit, good water resistance, and rich history, the Constellation Co-Axial 31 is a standout choice in the crowded luxury watch market.
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Key Features

  • Stunning mother of pearl dial
  • Chronometer certification for accuracy
  • High-quality materials (stainless steel and yellow gold)
  • Comfortable size and fit
  • Good water resistance
  • Robust automatic movement (Omega caliber 8520)
  • 12-hour fixed bezel

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP
Reference
123.20.31.20.05.002
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] REDUCED 1959 Omega Constellation Pie Pan ref. 14381 patina dial with original bracelet!! Serviced! - $1799 shipped only!!

REDUCED 1959 Omega Constellation Pie Pan ref. 14381 patina dial with original bracelet!! Serviced! - $1799 shipped only!!

Omega - 14381 · $1,799
This is a vintage Omega Constellation Pie Pan automatic winding watch with a patina dial and original bracelet. The watch is in overall good condition, keeps good time, and has been serviced.

  • Condition: 9/10, good time keeping
  • Movement: Cal. 551
  • Case material: stainless steel
  • Bracelet type: original Omega
Posted at
Apr 17, 2026, 8:18 AM
Active
[WTS] Omega Constellation Pie Pan ref. 167.005 – Tropical Dial – Cal. 551

Omega Constellation Pie Pan ref. 167.005 – Tropical Dial – Cal. 551

Omega - 167.005 · $1,650
A vintage Omega Constellation 'Pie Pan' from the 1960s with an original tropical dial, showing a warm golden/brown patina.

  • Condition: Very good overall for its age
  • Case Size: 34mm diameter
  • Movement Calibre: Cal. 551 (chronometer grade)
  • Dial Type: Original Pie Pan dial
Posted at
Apr 17, 2026, 7:20 AM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

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