Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / Diamond / MOP Supernova

Reference 123.25.27.20.55.002

About this watch

The Omega Constellation Co-Axial 27 Supernova is a masterpiece of luxury watchmaking, boasting stunning aesthetics and reliable performance. With its harmonious balance of brushed stainless steel and yellow gold, this 27mm diameter watch exudes elegance and sophistication. The dial features Mother of Pearl (MOP) for a luminous quality, paired with gem-set indexes that sparkle like stars in the night sky. The Omega caliber 8520 automatic movement powers this timepiece, offering precision and reliability with a power reserve of 50 hours and chronometer certification. The watch sits comfortably on the wrist, thanks to its lightweight materials and thoughtful design. Perfect for those who appreciate fine craftsmanship and timeless design, the Supernova is a statement piece that showcases your taste and lifestyle.
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Key Features

  • 27mm diameter case
  • Brushed stainless steel and yellow gold combination
  • Mother of Pearl (MOP) dial
  • Gem-set indexes and bezel
  • Omega caliber 8520 automatic movement
  • Chronometer certification
  • 50-hour power reserve

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / Diamond / MOP Supernova
Reference
123.25.27.20.55.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

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This Omega Constellation features an automatic movement and a fluted bezel, housed in a stainless steel and 18k gold case.

  • Condition: Preowned, In Good condition with some wear and marks
  • Movement: Cal 1020 Automatic
  • Case material: Stainless steel & 18k Gold
  • Band size: up to 19 cm
Posted at
May 18, 2026, 7:07 PM
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  • Condition: Very good
  • Case Diameter: 34mm
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  • Condition: 7.5/10, minor scratches on crystal and dial visible under strong light
  • Movement: caliber 564, automatic
  • Case dimensions: 35mm diameter (without crown), 40.5mm diameter (with crown)
  • Thickness: 10mm
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May 18, 2026, 2:20 PM
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A 1966 Omega Constellation Pie Pan reference number 14902, in good condition with a gold filled bezel and lugs.

  • Condition: good condition with wear and aging on the dial
  • Case width: 34mm
  • Bezel and lugs material: gold filled
  • Year: 1966
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  • Condition: Pre-owned, unpolished case with age-related wear, some paint loss on bezels
  • Diameter: 33mm
  • Movement type: Swiss quartz movement
  • Bracelet length: fits up app 7.25 inches
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May 13, 2026, 10:07 PM
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Tiltle: [WTS] Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2600 (SERVICED)

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  • Condition: Serviced movement, great time keeping, flawless dial
  • Movement Type: Automatic Chronometer (24 Jewels)
  • Case Materials: Rose Gold Cap over stainless steel
  • Dial Type: Original silver sunburst Pie Pan (No Date) with Rose Gold indices and hands
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May 13, 2026, 12:53 PM
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  • Condition: like-new
  • Case size: 39mm
  • Case thickness: 12.5mm
  • Water resistance: 100m / 330ft depth rating
Posted at
May 12, 2026, 7:55 PM
Active