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

Reference 123.25.31.20.55.002

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

About this watch

The Omega Constellation Co-Axial 31 is a stunning luxury watch that embodies elegance and sophistication. This exquisite timepiece boasts a round case crafted from a luxurious blend of stainless steel and yellow gold, featuring a delicate mother-of-pearl (MOP) dial adorned with diamond indexes. The heart of the Omega Constellation is the Omega caliber 8520, an automatic movement certified for its precision and durability. With a water resistance of 100 meters, this watch can handle everyday practicality and special occasion elegance alike. Its versatility makes it perfect for collectors looking for something unique and stunning, as well as anyone wanting to make a statement with their wristwear. The Omega Constellation Co-Axial 31 is more than just a watch; it’s a statement of artistry and precision. This timepiece has everything a luxury watch enthusiast could desire, from its stunning design to its reliable movement.
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Key Features

  • Omega caliber 8520 automatic movement
  • Delicate mother-of-pearl (MOP) dial with diamond indexes
  • Luxurious stainless steel and yellow gold case
  • Water resistance of 100 meters
  • Co-Axial escapement for durability and accuracy
  • Chronometer certified for precision
  • 50-hour power reserve

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Diamond / MOP Supernova
Reference
123.25.31.20.55.002
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 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega - 168.001 · $2,400
  • Condition: Excellent condition for a watch >60 years old
  • Movement Type: Calibre 561 Automatic Chronometer
  • Case Size: 37MM (~45MM Lug-to-Lug)
  • Lug Width: 19mm
Posted at
May 3, 2026, 12:49 PM
Active
View listing on r/WatchExchange
[WTS] Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Omega - 167.005 · $2,800
A rare Omega Constellation Pie Pan Ref. 167.005 with a Rose Gold Cap finish and Cal. 551 chronometer-rated movement. This watch features a clean No Date configuration with a silver sunburst dial and multifaceted Rose Gold markers.

  • Condition: Serviced, great condition, all original
  • Movement: Omega Caliber 551 Automatic Chronometer (24 Jewels)
  • Case: 34.5mm Rose Gold Cap over stainless steel
  • Dial: Original silver sunburst Pie Pan (No Date) with Rose Gold indices and hands
Posted at
May 3, 2026, 9:45 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,550
A 1966 Omega Constellation Pie Pan with a gold-filled case in good condition, featuring a vintage aesthetic with a 34mm case width.

  • Condition: Good condition with wear and aging on the dial
  • Case width: 34mm
  • Gold filling type: Gold filled
  • Year of manufacture: 1966
Posted at
May 1, 2026, 11:01 AM
Active
View listing on r/WatchExchange
[WTS] Vintage Omega Constellation C-Shape Ref. 168.017- Cal. 564 Automatic

Vintage Omega Constellation C-Shape Ref. 168.017- Cal. 564 Automatic

Omega - 168.017 · $680
A classic vintage Omega Constellation 'C-Shape' designed by Gerald Genta, featuring a stainless steel case and automatic chronometer movement.

  • Condition: Excellent (some scratches on dial)
  • Case size: 35mm
  • Case material: Stainless Steel
Posted at
Apr 30, 2026, 9:02 PM
Active
View listing on r/WatchExchange
[WTS] CHEAP PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Stainless & Two Tone

CHEAP PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Stainless & Two Tone

Omega - Constellation Manhattan Day Date · $1,750
A pair of Omega Constellation Manhattan Day-Dates in stainless steel and two-tone, featuring crisp white dials, luminescent hands, and gold dot markers. Both watches have 33MM cases with oversized bezels and integrated bracelets, giving them a larger presence on the wrist.

  • Condition: Pre-owned, some age-related wear
  • Case diameter: 33mm
  • Bracelet length: [object Object]
  • Movement: Swiss quartz, quickset date
Posted at
Apr 29, 2026, 9:55 PM
Active
View listing on r/WatchExchange
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650
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
View listing on RolexForums