Omega Constellation Constellation Co-Axial 31 White Gold / Diamond / Black Supernova

Reference 123.55.31.20.51.001

Omega Constellation Co-Axial 31 White Gold / Diamond / Black Supernova

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of luxury watchmaking, combining high-end craftsmanship with breathtaking aesthetics. This stunning timepiece features a white gold case radiating luxury, paired with a black supernova dial that adds an element of depth and intrigue. The gem-set bezel and indexes enhance its elegance, making it a true statement piece. At the heart of this model is the Omega Caliber 8520, renowned for its reliability and precision. With a frequency of 25,200 vibrations per hour, it ensures accuracy and longevity. This automatic movement features a Co-Axial escapement, reducing friction between components and extending the watch's lifespan. The power reserve of 50 hours allows you to take off your watch for extended periods without worrying about it stopping. Despite its luxurious appearance, this watch is surprisingly comfortable to wear, with a rounded case that hugs the wrist. Paired with a white gold bracelet, it complements the case perfectly. With a water resistance of up to 100 meters, this timepiece adapts to your lifestyle, not the other way around! Whether you're attending a gala or enjoying a day out, this watch is perfect for anyone who appreciates the finer things in life.
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MSRP: $32,300
Market Price: $12,443

Key Features

  • Omega Caliber 8520 automatic movement
  • Co-Axial escapement for reduced friction and increased longevity
  • 50-hour power reserve for extended wear
  • White gold case with gem-set bezel and indexes
  • Black supernova dial with unique texture and reflectivity
  • Sapphire crystal glass for durability and scratch resistance
  • Water resistance of up to 100 meters

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 White Gold / Diamond / Black Supernova
Reference
123.55.31.20.51.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
White Gold 31mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[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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[WTS] Omega Constellation Year 2000 Millennium Limited Edition 1504.50

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Omega - 1504.50 · $999
This unique Omega Constellation Year 2000 Millennium Edition was one of 2000 pieces created to commemorate the turn of the millennium.

  • Condition: Good condition with normal signs of wear throughout the case and some scratching on the AR coating
  • Limited Edition Run: 2000
Posted at
Apr 13, 2026, 9:11 PM
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[WTS] 1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

This 1962 Omega Constellation Pie Pan Ref. 14602 62 SC is a masterclass in mid-century elegance, featuring a crisp silver sunray dial and the iconic 'Pie Pan' dial geometry.

Posted at
Apr 13, 2026, 9:37 AM
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[WTS] Automatic Omega Constellation Manhattan and Hand-Winding Pre-WWII Omega

Automatic Omega Constellation Manhattan and Hand-Winding Pre-WWII Omega

Omega - 168.0075 · $1,600
This listing is for two Omega watches: an automatic chronometer and a pre-WWII hand-winding watch, both in working condition but with unknown service history.

  • Condition: pre-owned working condition
  • Service history: unknown
  • Caliber: Cal 1111
Posted at
Apr 12, 2026, 8:06 PM
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[WTS] Omega Constellation Automatic Ref.155.0021 Cal 711 Rare Antique Gold Dial Men's Watch $600

Omega Constellation Automatic Ref.155.0021 Cal 711 Rare Antique Gold Dial Men's Watch $600

Omega - 155.0021 · $600
A rare Omega Constellation Automatic watch from Switzerland, featuring a stainless steel case and gold band.

  • Condition: Preowned with some wear, scratches and marks
  • Case width: 31 mm (without crown)
  • Band material: Stainless steel & Gold
  • Band size: Will fit up to approx 18.5 cm
Posted at
Apr 12, 2026, 4:57 PM
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[WTS] Omega Constellation Co-Axial Master Chronometer – 39mm – Full Set

Omega Constellation Co-Axial Master Chronometer – 39mm – Full Set

Omega - 39mm
Posted at
Apr 12, 2026, 1:01 PM
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[WTS] Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Omega - ST 368.1075 · $999
A rare vintage Omega Constellation “Manhattan” chronometer ref. ST 368.1075, a classic example of Omega’s timeless dress-watch design, characterized by its distinctive 'claws' on the side of the case and an integrated bracelet.

  • Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
  • Movement: Automatic self-winding chronometer-certified movement, Omega Caliber 1110.11.40 (based on ETA 2892-2), 42–44 hour power reserve, 21 jewels
  • Diameter: 35mm
  • Thickness: 7.5mm
Posted at
Apr 10, 2026, 4:18 PM
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[WTS] Omega Constellation 568.016 Ladies Automatic Chronometer 18K WG Bezel Cal 682 Full Set

Omega Constellation 568.016 Ladies Automatic Chronometer 18K WG Bezel Cal 682 Full Set

Omega - 568.016 · $1,349
This Omega Constellation Automatic Chronometer features a stainless steel case with an 18K solid white gold bezel, silver sunburst dial, and Observatory medallion caseback.

  • Condition: Near-mint
  • Case size: 25mm
  • Lug to lug length: 30mm
  • Movement frequency: 19,800 bph
Posted at
Apr 10, 2026, 1:43 AM
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[WTS] Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega - 14902 SC-61 · $1,999
  • Condition: Pre-owned, serviced
  • Case Size: 34.5mm (excluding crown)
  • Lug To Lug: ~42mm
  • Thickness: ~11mm
Posted at
Apr 9, 2026, 2:55 PM
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