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

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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)

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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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  • Condition: pre-owned working condition
  • Service history: unknown
  • Caliber: Cal 1111
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  • 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] Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

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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

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  • Condition: Near-mint
  • Case size: 25mm
  • Lug to lug length: 30mm
  • Movement frequency: 19,800 bph
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Apr 10, 2026, 1:43 AM
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  • 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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[WTS] Omega Constellation Ref. 198.0118 Textured Dial – $650

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  • Condition: fair vintage condition
  • Case size: 34mm (wears larger due to integrated bracelet design)
  • Fits wrist: ~7.5” comfortably
  • Bracelet material: original Omega, 10k gold filled
Posted at
Apr 8, 2026, 3:35 PM
Active