Omega Constellation Constellation Co-Axial 31 Stainless Steel / MOP

Reference 123.10.31.20.05.001

Omega Constellation Co-Axial 31 Stainless Steel / MOP

About this watch

The Omega Constellation Co-Axial 31 Stainless Steel / MOP is a masterpiece of luxury watchmaking, boasting a stunning round shape with a diameter of 31 mm. The polished stainless steel case radiates sophistication, while the mesmerizing mother of pearl dial shifts colors depending on the light. This certified chronometer features an automatic movement (Omega caliber 8520) with a frequency of 25,200 vibrations per hour and a power reserve of up to 50 hours. With its versatility, exceptional design, and reliable movement, this timepiece is perfect for dressing up or casual wear. Its robust water resistance of 100 meters ensures it can withstand splashes of water or a day at the beach. As an investment in quality, craftsmanship, and timeless design, the Omega Constellation Co-Axial 31 is a worthy luxury watch that will stand the test of time.
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MSRP: $6,300
Market Price: $2,253

Key Features

  • Automatic movement (Omega caliber 8520)
  • Polished stainless steel case
  • Mesmerizing mother of pearl dial
  • Certified chronometer
  • Water resistance of 100 meters
  • Power reserve up to 50 hours
  • Robust and durable design

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / MOP
Reference
123.10.31.20.05.001
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] 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
[WTS] 1960s Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2500 (SERVICED)

1960s Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2500 (SERVICED)

Omega - 168.005 · $2,500
A 1960s Omega Constellation Pie Pan watch with a silver sunburst dial, Chronometer-rated Caliber 561 automatic movement and sharp Dog-leg lugs, in excellent condition.

  • Condition: Great Condition | All Original
  • Movement: Serviced Automatic Chronometer-rated Caliber 561
  • Dial: Original Silver Sunburst Pie Pan dial
  • Case: 34.5mm Gold-capped construction, Sharp Dog-leg lugs with defined edges
Posted at
Apr 28, 2026, 9:16 AM
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