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

Reference 123.20.31.20.55.002

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

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of horology, blending luxury, precision, and history. This stunning timepiece boasts an exquisite design featuring stainless steel and yellow gold, complemented by a captivating Mother of Pearl (MOP) dial that shimmers like the ocean. Underneath lies the renowned Omega caliber 8520 automatic movement, a marvel of engineering with a power reserve of 50 hours and Co-Axial escapement, reducing friction for enhanced longevity and precision. With its water resistance of 100 meters and sapphire glass protection, this watch is perfect for daily wear. The comfortable design and adjustable links ensure a secure fit, while the gem-set indexes add an opulent touch. As a true investment piece, the Omega Constellation Co-Axial 31 combines timeless aesthetics with cutting-edge technology, making it an ideal choice for watch collectors, individuals seeking precision and reliability, and fashion enthusiasts alike.
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Key Features

  • Omega Caliber 8520 Automatic Movement
  • Co-Axial Escapement with Reduced Friction
  • Water Resistance of 100 Meters
  • Sapphire Glass Protection
  • Mother of Pearl (MOP) Dial
  • Stainless Steel and Yellow Gold Construction
  • Gem-Set Indexes for Opulent Touch

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP
Reference
123.20.31.20.55.002
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] Vintage 1.969 - Omega Constellation Chronometer Automatic ( Silver Linen Dial ) | Ref 153.014

Vintage 1.969 - Omega Constellation Chronometer Automatic ( Silver Linen Dial ) | Ref 153.014

Posted at
May 10, 2026, 11:16 PM
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[WTS] Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega - 396.1070 · $850
A vintage Omega Constellation Manhattan watch, reference 396.1070, featuring a silvery white dial and blue hands. The 33mm diameter case has a tonneau shape with an integrated bracelet.

  • Condition: Very good
  • Case Diameter: 33mm
  • Lug To Lug Length: 35.2mm
  • Bracelet Size Range: ~6.75"
Posted at
May 10, 2026, 6:23 PM
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[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,450
A vintage Omega Constellation Pie Pan from 1966 in good condition, serviced recently.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Year: 1966
Posted at
May 8, 2026, 12:52 PM
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[WTS] Omega Constellation Gold Pie Pan $2100

Omega Constellation Gold Pie Pan $2100

Omega - 168.005 · $2,100
A classic early-60s Constellation with an iconic pie-pan dial and clean case, perfectly representing Omega's chronometer design language at its peak.

  • Condition: Excellent with all original parts
  • Case material: Gold Cap case
  • Dial description: Pie-pan dial
  • Dimensions width: 34.5 mm (excluding crown)
Posted at
May 7, 2026, 4:34 PM
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[WTS] Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

Omega - Constellation Manhattan Day Date · $995
A vintage Omega Constellation Manhattan with a crisp white dial and gold dot markers. The watch features an integrated bracelet and a Swiss quartz movement with quickset date.

  • Condition: Pre-owned, unpolished, with age-related wear
  • Diameter: 33mm
  • Bracelet size: approximately 7.25 inches
  • Movement type: Swiss quartz movement with quickset date
Posted at
May 6, 2026, 10:00 PM
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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