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

[WTS] Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega - 168.005 · $2,200
The Omega Constellation 'Pie Pan' features a robust caliber 561 automatic movement with date, sunburst dial, and signature dog-legged lugs. It has a great construction and feel to the well-defined case design, making it an excellent dressy statement piece.

  • Condition: Excellent, minor patina on logo and date window
  • Case size: 35mm (excluding crown)
  • Diameter: 40mm
  • Movement: Caliber 561 automatic date
Posted at
Jan 26, 2026, 1:13 PM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
This Omega Constellation C Shape from 1969 features a stainless steel case with a 35mm diameter and an off-white dial.

  • Condition: Great (minor hairline scratches on case, little signs of aging on dial)
  • Case Size: 35mm
  • Movement: Automatic calibre 564
  • Crystal: Signed Omega crystal
Posted at
Jan 26, 2026, 8:08 AM
Active
[WTS] 1966 Omega Constellation “Hidden Crown” ref. 168.004 (Cal. 561) – serviced Jun 2025 – $675 shipped

1966 Omega Constellation “Hidden Crown” ref. 168.004 (Cal. 561) – serviced Jun 2025 – $675 shipped

Omega - 168.004 · $675
A 1966 Omega Constellation ref. 168.004 with the sleek hidden crown case design, powered by the correct Omega Cal. 561 chronometer movement. The dial is original but shows signs of a past cleaning attempt. The watch has been serviced in June 2025.

  • Condition: Dial: original but shows signs of a past cleaning attempt; Case: original case, likely unpolished with honest scratches from normal wear. Movement serviced June 2025.
  • Case size without crown: 35mm
  • Movement caliber: Omega Cal. 561
  • Crystal type: new aftermarket replacement
Posted at
Jan 26, 2026, 7:57 AM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

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