Omega Constellation Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

Reference 123.55.31.20.63.001

Omega Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova is a stunning work of art that embodies sophistication and craftsmanship. Its combination of red gold, diamonds, and a brown supernova dial creates a visual feast that commands attention. The rich brown color radiates warmth, while the gem-set indexes sparkle brilliantly, catching light with every movement. The Dauphine hands glide effortlessly across the face, ensuring readability without sacrificing style. Crafted from luxurious red gold, the case measures a comfortable 31 mm, making it ideal for both formal and casual occasions. The gem-set bezel adds an extra layer of elegance, transforming the watch into a statement piece that enhances any outfit. At the heart of this timepiece is the Omega caliber 8521, featuring the Co-Axial escapement for enhanced precision, stability, and durability. With a water resistance of up to 100 meters, this watch can withstand daily life's rigors and occasional splashes of water. Its versatility makes it suitable for any occasion, from formal galas to casual weekend outings.
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Key Features

  • Omega caliber 8521 movement with Co-Axial escapement
  • Red gold case with gem-set bezel
  • Brown supernova dial with Dauphine hands
  • Water resistance up to 100 meters
  • Automatic winding with free sprung-balance system
  • Swiss craftsmanship with oscillating mass and balance bridge in 18 Ct red gold
  • 50-hour power reserve and 25,200 vibrations per hour

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova
Reference
123.55.31.20.63.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 31mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[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
Active
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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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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
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