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 Quartz $500 SHIPPED

Omega Constellation Quartz $500 SHIPPED

Omega - Constellation Quartz · $500
This Omega Constellation Quartz is a pre-owned watch in good working order, measuring 36.6mm and featuring an aftermarket leather strap.

  • Condition: pre-owned working condition
  • Case size: 36.6mm
  • Strap type: aftermarket leather strap
Posted at
Apr 16, 2026, 11:16 PM
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[WTS] Excellent Omega Constellation Ref 1335.76.00 MOP Dial Steel and Yellow Gold Two Tone Diamond's Bezel Ladies Watch W/ Original Box And Travel Case $1500

Excellent Omega Constellation Ref 1335.76.00 MOP Dial Steel and Yellow Gold Two Tone Diamond's Bezel Ladies Watch W/ Original Box And Travel Case $1500

Omega - 1335.76.00 · $1,500
This Omega Constellation ladies watch features a MOP dial, two-tone steel and yellow gold case, and diamond bezel. It comes with the original box and travel case.

  • Condition: In Preowned condition, With Little wear and Marks
  • Movement: Quartz
  • Case material: Stainless steel, Yellow Gold
  • Dial material: MOP (Mother of Pearl)
Posted at
Apr 16, 2026, 3:07 PM
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[WTS] 1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2400 (SERVICED)

1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original | $2400 (SERVICED)

Omega - 168.005 · $2,400
The Omega Constellation Ref. 168.005 is a highly sought-after dress watch from the 1960s, featuring a silver sunburst dial and solid gold faceted indices.

  • Condition: Great Condition | All Original | Serviced
  • Movement: Serviced Automatic Chronometer-rated Caliber 564
  • Dial: Original silver sunburst dial with applied gold-tone logo and faceted gold markers
  • Case: 34.5mm Gold-capped stainless steel construction with iconic Dog-leg lugs
Posted at
Apr 16, 2026, 9:38 AM
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[WTS] 1973 Omega Constellation ref. 168.0056 w/ Cal. 1011 – gold-capped case, solid 14k bezel – $1,050 all-in

1973 Omega Constellation ref. 168.0056 w/ Cal. 1011 – gold-capped case, solid 14k bezel – $1,050 all-in

Omega - 168.0056 · $1,050
A 1973 Omega Constellation ref. 168.0056 features a gold-capped case, solid 14k bezel, clean original dial, and well-preserved gold medallion on the caseback.

  • Condition: Good overall condition with expected hairline scratches from age and normal wear, original parts preserved
  • Case diameter: 34.5mm
  • Lug width: 19mm
  • Movement caliber: Cal. 1011
Posted at
Apr 16, 2026, 9:08 AM
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[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
  • Type: caseback
  • Compatibility: 1960s Seamasters and Constellations
Posted at
Apr 15, 2026, 7:48 PM
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[WTS] Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,850
For sale is a super cool vintage Omega Constellation Pie Pan reference number 14902 from 1966. The watch has been serviced recently and comes with service papers.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Material: Gold filled
Posted at
Apr 15, 2026, 10:31 AM
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[WTS] Omega Constellation Co-Axial 35mm 123.20.35.20.02 - $2,144 shipped express worldwide

Omega Constellation Co-Axial 35mm 123.20.35.20.02 - $2,144 shipped express worldwide

Omega - 123.20.35.20.02 · $2,144
The Omega Constellation Co-Axial is a 35mm watch featuring a Co-Axial Calibre 2500 movement and 100m water resistance.

  • Condition: Used
  • Case Size: 35mm
  • Lug To Lug Length: 39mm
  • Lug To Lug Width: 23mm
Posted at
Apr 15, 2026, 9:47 AM
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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
This is a vintage Omega Constellation Manhattan watch with a silvery white dial, blue hands and dial printing, featuring a 33mm diameter case and a wide integrated bracelet.

  • Condition: Very good
  • Case Diameter: 33mm
  • Lug To Lug Length: 35.2mm
  • Bracelet Size: large enough for ~6.75" wrist
Posted at
Apr 15, 2026, 9:42 AM
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[WTS] PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and one in two-tone. Both have 33mm cases with oversized bezels and integrated bracelets.

  • Condition: Pre-owned, unpolished with some age-related wear and patina
  • Case Diameter: 33MM
  • Bracelet Length: [object Object]
  • Movement Type: Swiss quartz with quickset date
Posted at
Apr 13, 2026, 10:05 PM
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