Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars

Reference 123.55.27.20.05.001

Omega Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars

About this watch

The Omega Constellation Co-Axial 27 stands out as a dazzling example of craftsmanship and elegance. Crafted from brushed yellow gold, this watch exudes opulence with its gem-set bezel adding a touch of sparkle. The mother of pearl (MOP) dial adorned with a beautiful star motif is an artistic expression showcasing the mastery of Omega's craftsmanship. With its self-winding movement equipped with a Co-Axial escapement and free sprung-balance system, this watch is built to withstand everyday activities while keeping accurate time. Its 50-hour power reserve and water resistance of 100 meters make it a reliable companion for any occasion. Whether you're heading to a gala or a brunch date, the Constellation Co-Axial 27 can elevate your outfit with its exquisite design and comfortable wear.
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MSRP: $25,000
Market Price: $8,931

Key Features

  • Omega caliber 8521 self-winding movement
  • Co-Axial escapement for enhanced precision
  • 50-hour power reserve
  • 100m water resistance
  • Gem-set bezel for added sparkle
  • Mother of pearl (MOP) dial with star motif
  • Brushed yellow gold case for luxurious appearance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Yellow Gold / Diamond / MOP Stars
Reference
123.55.27.20.05.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 168.005 Dog-leg Lugs Crosshair Tropical Dial — $1,400 (Serviced / Shipping / Tariff Covered)

Omega Constellation 168.005 Dog-leg Lugs Crosshair Tropical Dial — $1,400 (Serviced / Shipping / Tariff Covered)

Omega - 168.005 · $1,400
This Omega Constellation ref. 168.005 features a unique tropical dial with crosshair layout, well-matched hands and hour markers, and dog-leg lugs.

  • Condition: Great vintage condition
  • Movement Type: Automatic
  • Caliber: 561
  • Chronometer Certified: Yes
Posted at
Jan 27, 2026, 8:52 AM
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[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

Omega - Constellation Pie Pan · $1,800
Additional Details: Excellent condition, recently serviced Omega Constellation Pie Pan.

  • Condition: Excellent
  • Servicing status: recently serviced
Posted at
Jan 26, 2026, 5:43 PM
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[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
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[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
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[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
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[WTS] Omega Constellation 33mm 18kYG 166052/168033 MINT

Omega Constellation 33mm 18kYG 166052/168033 MINT

Omega - 166052/168033 · $4,200
A mint Omega Constellation in 18k yellow gold, featuring a 33mm case size and a unique combination of reference numbers 166052 and 168033.

  • Condition: MINT
  • Case size: 33mm
  • Lug-to-lug: 39mm
  • Lug width: 19mm
Posted at
Jan 25, 2026, 1:44 PM
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[WTS] Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced), Ref. 2853 SC

Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced), Ref. 2853 SC

Omega - 2853 SC
a 2 - 3 sentence summary of the Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced)

  • Condition: Serviced
  • Material: 18K Yellow Gold
  • Dial color: Champagne Arrowhead Pie-Pan Dial
Posted at
Jan 23, 2026, 9:55 PM
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[WTS] Omega Constellation Mini Two-Tone - 18K - MOP Dial - Ref. 795.1203 - Circa 1998

Omega Constellation Mini Two-Tone - 18K - MOP Dial - Ref. 795.1203 - Circa 1998

Omega - 795.1203 · $795
This is a classic 90s icon—the 'Cindy Crawford era' Constellation, featuring the signature 'griffes' on the 18k gold bezel and a lovely Mother of Pearl dial.

  • Condition: Great vintage condition, typical wear
  • Case size: 22.5mm
  • Bracelet material: Two-tone (steel and 18K)
  • Bezel material: 18k gold
Posted at
Jan 23, 2026, 12:51 AM
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[WTS] 1968 Omega Constellation C-Case Chronometer Cal. 564 w Box & Paper – Serviced Jan 2026 – $1450 shipped

1968 Omega Constellation C-Case Chronometer Cal. 564 w Box & Paper – Serviced Jan 2026 – $1450 shipped

Omega - Cal. 564 · $1,450
A 1968 Omega Constellation C-Case Chronometer Cal. 564 is for sale, including its original box and papers. It has been serviced in January 2026.

Posted at
Jan 22, 2026, 9:29 PM
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