Omega Constellation Constellation Co-Axial 31 Stainless Steel / MOP

Reference 123.10.31.20.55.001

About this watch

The Omega Constellation Co-Axial 31 is a stunning piece that beautifully marries function and form. With its exquisite design, reliable movement, and versatile nature, it’s a watch that can easily become a cherished part of your collection. This timepiece is perfect for anyone who appreciates fine craftsmanship and luxury, whether you’re a watch collector, a business professional, or someone who enjoys elegant accessories. The Omega Constellation Co-Axial 31 is not just a statement piece; it’s a testament to the legacy of innovation and excellence that Omega embodies. Its Chronometer certification ensures accuracy, while its water resistance up to 100 meters makes it suitable for swimming and snorkeling. This watch can be dressed up or down, making it an excellent addition to any wardrobe. When you wear an Omega, you’re embracing a legacy of precision and elegance.
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Key Features

  • Omega caliber 8520 movement
  • Sapphire crystal glass
  • 100m water resistance
  • Stunning MOP dial
  • Gem-set indexes
  • Chronometer certified for accuracy

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / MOP
Reference
123.10.31.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1968 Rose Gold Omega Constellation Pie Pan Ref. 168.004 | Great Condition (Serviced) | $2500

1968 Rose Gold Omega Constellation Pie Pan Ref. 168.004 | Great Condition (Serviced) | $2500

Omega - 168.004 · $2,500
A 1968 Rose Gold Omega Constellation Pie Pan Ref. 168.004, showcasing elegance and precision from late-1960s Swiss watchmaking.

  • Condition: Great condition (serviced)
  • Case size: 36mm
  • Material: Rose Gold
  • Movement type: Automatic
Posted at
Nov 28, 2025, 9:07 PM
Active
[WTS] Omega Constellation 196.0071 (1977) – $200

Omega Constellation 196.0071 (1977) – $200

A vintage Omega Constellation from 1977.

Posted at
Nov 28, 2025, 7:39 AM
Active
[WTS] Demi Gold Omega Constellation Pie Pan Ref. 168.005 with Applied Indices  | Great Condition (Serviced) | $2750

Demi Gold Omega Constellation Pie Pan Ref. 168.005 with Applied Indices | Great Condition (Serviced) | $2750

Omega - 168.005 · $2,750
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great (serviced)
  • Movement: Omega Caliber 564
  • Jewels: 24 jewels
  • Case size: 34.5mm diameter
Posted at
Nov 27, 2025, 11:40 PM
Active
[WTS] Omega Constellation 35mm f300 Honey Comb Dial

Omega Constellation 35mm f300 Honey Comb Dial

A rare Omega Constellation with a honeycomb toasted dial and gold crown, featuring a 35mm case size.

  • Condition: Mint
  • Case dimensions: 35mm, 41.5mm lug-to-lug, 19mm lug width
  • Height: 10.8mm
  • Crown material: Gold
Posted at
Nov 27, 2025, 2:58 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