Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Champagne

Reference 123.20.31.20.08.001

About this watch

The Omega Constellation Co-Axial 31 is a masterclass in luxury watchmaking, boasting a stunning champagne-colored dial, fixed bezel, and dauphine hands that glide effortlessly over its surface. Crafted from stainless steel and adorned with yellow gold, this watch exudes elegance and sophistication. At the heart of the Omega Constellation Co-Axial 31 lies the Omega caliber 8520 movement, a renowned automatic movement known for its reliability and precision. With a power reserve of 50 hours and a frequency of 25,200 beats per hour, you can trust that this watch will keep accurate time. The watch face is protected by a scratch-resistant sapphire crystal, ensuring that your timepiece looks pristine for years to come. This watch displays hours, minutes, and seconds with ease while also featuring a date function, making it the perfect companion for any occasion.
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Key Features

  • Omega Caliber 8520 automatic movement
  • Stainless steel and yellow gold construction
  • Champagne-colored dial with dauphine hands
  • Scratch-resistant sapphire crystal
  • Water resistance up to 100 meters
  • Date function
  • 5-year warranty from Omega

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 31 Stainless Steel / Yellow Gold / Champagne
Reference
123.20.31.20.08.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
31mm
Crystal
Sapphire
Water Resistance
100

Current Listings

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  • Condition: Near-mint
  • Case size: 25mm
  • Lug to lug length: 30mm
  • Movement frequency: 19,800 bph
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  • Thickness: ~11mm
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  • Fits wrist: ~7.5” comfortably
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  • Condition: some wear, overall great condition, sharp lugs
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  • Condition: unpolished
  • Original crystal & crown: true
  • Shipped: true
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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
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  • Jewels: 24
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  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
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