Omega Constellation Constellation Co-Axial 31 Red Gold / Brown

Reference 123.50.31.20.13.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Brown is a masterpiece of horological excellence, embodying the spirit of Omega with its robust movement, luxurious materials, and timeless design. This luxury watch stands tall in the world of timepieces, offering a unique blend of style, performance, and heritage. With its automatic winding mechanism, 50-hour power reserve, and chronometer certification, this watch ensures exceptional precision and reliability. The red gold case exudes sophistication and elegance, while the brown dial harmonizes beautifully with the case. The Omega caliber 8521 movement is equipped with the Co-Axial Escapement, providing greater precision, stability, and durability. The watch features a date function, water resistance of up to 100 meters, and a sapphire crystal for scratch resistance and clarity.
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Key Features

  • Automatic winding in both directions
  • 50-hour power reserve
  • Chronometer certified for exceptional precision
  • Red gold case with brown dial
  • Omega caliber 8521 movement with Co-Axial Escapement
  • Date function for easy viewing
  • Water resistance up to 100 meters

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Brown
Reference
123.50.31.20.13.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega - 168.0075 · $1,800
This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.

  • Condition: pre-owned working condition
  • Movement: Cal 1111
  • Diameter: 35.5mm
Posted at
Apr 4, 2026, 1:05 PM
Active
[WTS] Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega - 168.005 · $2,450
The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case with dog-leg lugs and a silver sunburst dial.

  • Condition: Great Condition (Serviced)
  • Case size: 34mm
  • Movement type: Automatic
Posted at
Mar 31, 2026, 11:24 PM
Active
[WTS] Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Omega - ST 368.1075 · $1,200
This rare vintage Omega Constellation “Manhattan” chronometer features a classic dress-watch design with distinctive 'claws' on the side of the case and an integrated bracelet. The champagne/gilt dial has oxidation, but the case remains in good shape with no deep scratches or dings.

  • Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
  • Movement: Automatic self-winding chronometer-certified movement, typically the Omega Caliber 1110.11.40 (based on the ETA 2892-2)
  • Case diameter: 35mm
  • Water resistance: 30m (3 bar)
Posted at
Mar 31, 2026, 7:00 PM
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