Omega Constellation Constellation Co-Axial 31 Yellow Gold / Diamond / Champagne Supernova

Reference 123.55.31.20.58.001

Omega Constellation Co-Axial 31 Yellow Gold / Diamond / Champagne Supernova

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, boasting an automatic movement with Co-Axial escapement technology for unparalleled precision and durability. The 31 mm yellow gold case features a gem-set bezel and shimmering diamond indexes on a Champagne Supernova dial, exuding opulence and timeless style. Certified as a chronometer, this watch has undergone rigorous testing to ensure its accuracy, making it a reliable companion for any occasion. With a power reserve of 50 hours and water resistance up to 100 meters, you can confidently wear this versatile timepiece during various activities. The comfortable yellow gold bracelet completes the ensemble, offering a lightweight feel that's perfect for all-day wear. This statement piece embodies luxury, precision, and style, making it an ideal choice for those seeking a timepiece that tells both time and their story.
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Key Features

  • Automatic Omega caliber 8521 movement
  • Co-Axial escapement technology for enhanced precision and durability
  • 31 mm yellow gold case with gem-set bezel
  • Champagne Supernova dial with shimmering diamond indexes
  • Certified chronometer for accuracy
  • Water resistance up to 100 meters
  • Comfortable yellow gold bracelet

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Yellow Gold / Diamond / Champagne Supernova
Reference
123.55.31.20.58.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 31mm
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 路 $900
This Omega Constellation is a beautiful example from 1966 with an original dial and hands.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick
Posted at
Jan 6, 2026, 10:25 AM
Active
View listing on r/WatchExchange
[WTS] OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA - 123.20.35.20.06.001 路 $3,250
The OMEGA Constellation Ref. 123.20.35.20.06.001 features a distinctive stainless steel and yellow gold case with Roman numeral-engraved bezel, a captivating grey dial with date window at 3 o'clock, and an integrated yellow gold and stainless steel bracelet.

  • Condition: VERY GOOD with some light scratches on the bracelet
  • Case material: yellow gold and stainless steel
  • Bracelet size: ~7"
  • Bracelet condition: pre-sized
Posted at
Jan 3, 2026, 5:15 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 路 $5,575
A rare and highly desirable 1960s Omega Constellation Ref. 14393 in 18K rose gold, featuring a silver pie-pan dial and 34mm case size.

  • Case size: 34mm
  • Year of production: 1960s
  • Case material: 18K rose gold
Posted at
Jan 1, 2026, 7:47 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 馃殺

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 馃殺

Omega - 168.017 路 $775
The Omega Constellation C Shape features a stainless steel 35mm case, off white dial, and automatic calibre 564 movement.

  • Condition: great, no major dents or scratches
  • Case Size: 35mm diameter
  • Movement: calibre 564 automatic
Posted at
Dec 30, 2025, 9:33 AM
Active
View listing on r/WatchExchange
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 路 $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