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

Reference 123.55.31.20.58.001

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 Pie Pan Crosshair Dial Ref 14393

Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega - 14393 · $1,950
This Omega Constellation features a Pie Pan Crosshair dial and comes fitted on an Omega beads of rice bracelet. The 35mm case is in good shape with sharp lugs.

  • Condition: some wear, overall great condition, sharp lugs
  • Bracelet: Omega beads of rice bracelet
Posted at
Apr 8, 2026, 11:55 AM
Active
[WTS] omega constellation 168.005 | original crystal & crown | unpolished

omega constellation 168.005 | original crystal & crown | unpolished

Omega - 168.005 · $2,250
The Omega Constellation is a luxury watch being sold unpolished, retaining its original crystal and crown. It comes with a metal lined presentation box.

  • Condition: unpolished
  • Original crystal & crown: true
  • Shipped: true
Posted at
Apr 8, 2026, 7:29 AM
Active
[WTS] Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega - 168.005 · $1,945
a 1964 Omega Constellation Pie Pan ref. 168.005 featuring dog-leg lugs and cal. 561 movement, serviced in November 2025.

  • Condition: Excellent for its age
  • Calibre: Cal. 561 movement
  • Year: 1964
  • Movement type: Chronometer-grade
Posted at
Apr 7, 2026, 3:26 PM
Active
[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
Active
[WTS] Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega - 168.005 · $2,600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great serviced condition
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 6, 2026, 11:13 PM
Active
[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!

Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.

  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Apr 6, 2026, 9:48 PM
Active
[WTS] Rare Omega Constellation 2000 Millennium 1504.50

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

  • Condition: Good condition, with normal signs of wear and scratching on the crystal
  • Production run: Limited to 2000 pieces
  • Service history: Unknown
Posted at
Apr 5, 2026, 8:40 PM
Active
[WTS] Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega - 2852-1 · $1,100
This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.

  • Condition: Pre-owned, serviced a few years back
  • Lug width: 18mm
  • Strap material: red leather
Posted at
Apr 5, 2026, 3:52 PM
Active
[WTS] Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega - 168.0075 · $1,800
This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.

  • Condition: pre-owned working condition
  • Movement: Cal 1111
  • Diameter: 35.5mm
Posted at
Apr 4, 2026, 1:05 PM
Active