Omega Constellation Constellation Co-Axial 31 Yellow Gold / MOP

Reference 123.50.31.20.05.002

Omega Constellation Co-Axial 31 Yellow Gold / MOP

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / MOP is a stunning watch that embodies luxury, with its 31mm round case and exquisite mother-of-pearl dial. The self-winding movement features a Co-Axial escapement, known for enhancing precision, stability, and durability. The watch has a generous power reserve of 50 hours and is water-resistant up to 100 meters, making it suitable for swimming and shallow diving. The sapphire crystal glass is scratch-resistant, ensuring the watch maintains its pristine appearance even with daily wear. The open case back showcases the intricate workings of the movement, adding a luxurious finish. Comfortable to wear due to its well-designed bracelet, this watch adapts effortlessly to any setting, from formal events to casual days out.
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MSRP: $24,100
Market Price: $10,224

Key Features

  • 31mm round yellow gold case
  • Exquisite mother-of-pearl dial with stick and dot indexes
  • Dauphine hands for a touch of sophistication
  • Sapphire crystal glass for scratch-resistance
  • Water-resistant up to 100 meters
  • 50-hour power reserve self-winding movement
  • Co-Axial escapement for enhanced precision and durability

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Yellow Gold / MOP
Reference
123.50.31.20.05.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 31mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Vintage Omega Constellation f300Hz Electronic ( Ref:198.002 ) Serviced..$485 Shipped..

Omega - 198.002 路 $485
The Omega Electronic Constellation Chronometer features a Cal. 1250 F300 movement with a pair of tuning forks vibrating at 300Hz for precise timekeeping.

  • Condition: Serviced, original dial in great condition, minor scratches on the caseback
  • Movement: F300 Hz Quartz Movement
  • Case material: Stainless Steel (Gold Plated)
  • Diameter: 38 mm diameter (w/o crown)
Posted at
May 6, 2025, 2:50 PM
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This is a black dial Omega Constellation Day Date from the 1980s, powered by a quartz movement and featuring a steel case with a size of 33mm.

  • Year: 1980s
  • Dial Material: Black Dial Material: Steel
Posted at
May 6, 2025, 10:04 AM
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[WTS] Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $799 Shipped!

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Omega - 168.0056 路 $799
A vintage Omega Constellation Chronometer with a C-shaped case, inspired by Gerald Genta, featuring an automatic movement and date window at 3 o'clock.

  • Condition: Good condition with signs of wear
  • Case shape: C-Shaped Case
  • Case size: 35mm diameter
  • Movement type: Automatic
Posted at
May 5, 2025, 3:48 PM
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[WTS] Rare 1956 Omega Constellation in Rose Gold / SS

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This is an older Omega Constellation model from 1956, featuring one of the first automatic 5xx series movements. The watch has a smooth winding mechanism and looks great in natural light.

  • Condition: Pre-owned with a scratch on the dial between 1 and 2
  • Movement series: 5xx series (automatic)
  • Case diameter: 34mm
Posted at
May 4, 2025, 7:23 PM
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[WTS] FULL COLLECTION SALE PT 2: Tiffany Eastwest (now discontinued), Hamilton Intramatic Chronograph 40mm, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm

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The seller is listing a collection of five watches for sale, including a Hamilton Intramatic Chronograph, Baltic Aquascaphe GMT, Longines Legend Diver 36mm Red Dial, Omega Constellation 35mm, and Tiffany Eastwest.

  • Condition: pristine
  • Movement: Soprod C125 GMT
  • Case size: 40/20mm
  • Crystal: domed sapphire
Posted at
May 4, 2025, 5:18 PM
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[WTS] Omega Constellation. PiePan. Gorgeous Dial.

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  • Condition: nice condition
  • Case size: 40mm diameter
  • Strap material: AM strap
Posted at
May 4, 2025, 3:12 PM
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[WTS] Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

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Omega - 123.10.35.20.01.002 路 $1,300
The Omega Constellation Co-Axial Chronometer features a 35mm case size, Caliber 2500 chronometer movement, and a reverse clous de paris dial.

  • Condition: Good (with some hairline scratches)
  • Case dimensions: 35mm diameter, 38.4mm lug-to-lug, 10.8mm thickness
  • Bracelet size: adjustable to fit a 6.75 inch wrist
  • Movement type: Caliber 2500 chronometer, Co-Axial movement
Posted at
May 4, 2025, 11:47 AM
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[WTS] Rare 1959 Omega Constellation w/ Railtrack Dial, Steel Case & Special Chronometer Movement

Rare 1959 Omega Constellation w/ Railtrack Dial, Steel Case & Special Chronometer Movement

Omega - 14381 路 $800
A rare 1959 Omega Constellation with a railtrack dial and special chronometer movement. The watch has an original non-refinished silver dial with patina and an original stainless steel case with wear.

  • Condition: Pre-owned, needs service
  • Case size: 34.5mm
  • Diameter: 34.5mm
  • Movement accuracy: Special chronometer certified with high accuracy
Posted at
Apr 30, 2025, 11:28 AM
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1970s Omega Constellation Ref: 391.0801 Quartz with Box

1970s Omega Constellation Ref: 391.0801 Quartz with Box

Omega - 391.0801 路 $1,150.001
A 1970s Omega Constellation Ref: 391.0801 Quartz watch in excellent condition, featuring a 32mm stainless steel case and original horizontal grained silver dial.

  • Condition: Excellent with very light wear from use
  • Case Size: 32mm
  • Bracelet Links: 23
  • Movement Type: Quartz
Posted at
Apr 29, 2025, 5:49 PM
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View listing on WatchUseek