Omega Constellation Constellation Co-Axial 38 White Gold / Diamond / Black

Reference 123.55.38.21.51.001

About this watch

The Omega Constellation Co-Axial 38 (model 123.55.38.21.51.001) is an epitome of luxury and sophistication, boasting an impeccable design with a white gold case, gem-set bezel, and rich black dial. The watch features a robust automatic movement, the Omega caliber 8501, which boasts precision and innovation, including a Co-Axial escapement that reduces friction and enhances longevity. With a power reserve of approximately 60 hours, this chronometer is reliable and accurate. Its stunning design combines elegance with functionality, making it perfect for everyday wear or formal occasions. The watch displays hours, minutes, seconds, and date, while its Dauphine hands glide smoothly over the dial, providing clear visibility. With a water resistance of up to 100 meters, you can enjoy swimming, snorkeling, or other water activities without worrying about your timepiece. As a statement piece, this Omega Constellation Co-Axial 38 carries with it a legacy of excellence and a promise of reliability, making it a worthy addition to any collection.
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Key Features

  • White gold case
  • Gem-set bezel
  • Automatic movement (Omega caliber 8501)
  • Co-Axial escapement
  • Chronometer accuracy
  • Water resistance up to 100 meters
  • Dauphine hands

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 38 White Gold / Diamond / Black
Reference
123.55.38.21.51.001
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
White Gold 38mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

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  • Condition: Mint with unknown last service date
  • Diameter: 35mm
  • Lug-to-lug length: 41.5mm
  • Lug width: 19mm
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Aug 23, 2025, 5:08 PM
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  • Condition: Preowned with scratches on the case, bezel and bracelet
  • Case material: Stainless Steel
  • Band material: Integrated Stainless Steel Bracelet
  • Movement type: Co-Axial, Automatic, Mechanical
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1973 Omega Constellation with a gold-capped case, solid gold bezel, and medallion, powered by Cal. 1011 Chronometer.

  • Caliber: Cal. 1011
  • Chronometer: true
  • Serviced: July 2025
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  • Year Of Manufacture: 1980s
  • Dial Color: Black
  • Case Size: 33mm diameter
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This 1973 Omega Constellation ref. 168.0059 features a clean original green ombre dial, chronometer-rated Cal. 1011 movement, and comes on its original stainless steel bracelet.

  • Case Width: 33mm
  • Case Length: 39.5mm lug-to-lug
  • Diameter: tonneau case design
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Aug 21, 2025, 12:35 AM
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[WTS] 1958 Omega Constellation “Jumbo” ref. 14396 w/ Cal. 505 – 37mm gold-capped case – freshly serviced – $2,200 shipped

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  • Condition: Excellent condition with honest wear on the case
  • Movement caliber: Cal. 505
  • Case size: 37mm diameter
  • Crystal type: Aftermarket plexiglass
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Aug 20, 2025, 7:38 PM
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  • Shipping: Fedex with insurance
  • Global Shipping: yes
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[WTS] Omega Constellation. Automatic. 1502.30.

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  • Condition: Clean
  • Shipping Method: Fedex with insurance
  • Shipping Countries: globally
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  • Condition: Excellent
  • Movement: 551
  • Case material: Stainless steel
  • Diameter: 34mm
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Active