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 Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

Omega Constellation Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

Omega - 1819.51.91 · $2,175
This Omega Constellation Double Eagle Chronograph features a 41mm stainless steel case, black dial, and automatic chronometer-certified movement with Co-Axial escapement. It has a reverse panda look and comes on an original integrated black rubber strap.

  • Condition: Solid, honest condition with superficial wear and light scratches
  • Case size: 41mm stainless steel
  • Diameter: 41mm
  • Bezel: black aluminum Roman numeral
Posted at
Mar 22, 2026, 8:48 PM
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[WTS] Omega Constellation Globemaster Annual Calendar Box & Papers

Omega Constellation Globemaster Annual Calendar Box & Papers

Omega - Constellation Globemaster Annual Calendar · $5,500
The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial, applied hour markers, and a clean annual calendar display powered by the in-house Co-Axial Master Chronometer Caliber 8922.

  • Condition: Great pre-owned condition with light signs of careful wear
  • Case size: 41mm
  • Material: stainless steel
  • Bracelet material: stainless steel
Posted at
Mar 22, 2026, 12:30 PM
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[WTS] 1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

Omega - 168.005 · $1,400
This 1963 Omega Constellation is powered by a chronometer-rated Caliber 561 movement and features an all-original configuration with stainless steel case, date at 3 o'clock, and onyx markers.

  • Condition: some hairlines but case remains sharp; dial has some light spotting
  • Movement: Caliber 561, chronometer-rated automatic
  • Case material: stainless steel
  • Dimensions: [object Object]
Posted at
Mar 22, 2026, 10:57 AM
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[WTS] Omega Constellation Ref. 168.003 With “Dog-Leg” Lugs | Good Condition (Serviced) | $2250

Omega Constellation Ref. 168.003 With “Dog-Leg” Lugs | Good Condition (Serviced) | $2250

Omega - 168.003 · $2,250
The Omega Constellation Ref. 168.003 features a beautifully balanced silver dial and highly sought-after dog-leg lug case, measuring 34.5mm in stainless steel with a 40mm lug-to-lug length.

  • Condition: Good, serviced condition
  • Case dimensions: 34.5mm diameter (stainless steel), 40mm lug-to-lug length, 18mm lug width
  • Movement: Omega Caliber 561 (chronometer-certified)
  • Crystal type: Plexiglass crystal (correct to the period)
Posted at
Mar 22, 2026, 12:50 AM
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[WTS] Omega Constellation Manhattan 168.0075 18k Bezel Two Tone Watch 35.5mm - $1300 SHIPPED

Omega Constellation Manhattan 168.0075 18k Bezel Two Tone Watch 35.5mm - $1300 SHIPPED

Omega - 168.0075 · $1,300
Up for sale is this stunning Omega Constellation Manhattan Automatic watch, with a gold champagne dial and a classic vintage dress watch design.

  • Condition: Great mechanical condition
  • Case size: 35.5mm diameter
  • Material: Stainless steel and solid 18k yellow gold
  • Movement: Omega Cal 1111
Posted at
Mar 21, 2026, 8:05 PM
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[WTS] Omega Constellation Kalekadora Mini Ladies 1535.73, Factory Diamonds, W/ Card

Omega Constellation Kalekadora Mini Ladies 1535.73, Factory Diamonds, W/ Card

Omega - 1535.73 · $999
The Omega Constellation Kalekadora Mini is a ladies' watch featuring a pink mother-of-pearl dial and a diamond bezel.

  • Condition: Excellent condition
  • Case size: ~17x23mm
  • Movement: Quartz
  • Dial color: Pink MOP
Posted at
Mar 21, 2026, 12:47 PM
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[WTS] Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped & Duties Covered

Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped & Duties Covered

Omega - 168.005 · $2,500
A stunning Omega Constellation 'Pie Pan' with a sunburst dial and caliber 561 automatic movement. The case is sharp and retains its original beveled angles, and the observatory emblem on the case is crisp.

  • Condition: Excellent, unpolished
  • Movement: Caliber 561 Automatic Date
  • Case size: 35mm (excluding crown)
  • Water resistance: Not specified
Posted at
Mar 21, 2026, 11:56 AM
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[WTS] 1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

Omega - 14777 · $950
This 1962 Omega Constellation ref. 14777 features a 37mm stainless-steel case, chronometer-rated cal. 561 movement, and an original champagne dial with crosshair design.

  • Condition: Shows signs of wear and past polish, but still presents well on wrist
  • Case Size: 37mm
  • Diameter Excluding Crown: true
  • Lug Shape: decent
Posted at
Mar 18, 2026, 9:06 AM
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[WTS] 2025 Omega Constellation 41mm Steel Meteorite Dial 131.30.41.21.99.001 Full Set

2025 Omega Constellation 41mm Steel Meteorite Dial 131.30.41.21.99.001 Full Set

Omega - 131.30.41.21.99.001 · $6,850
This Omega Constellation features a 41mm stainless steel case, black ceramic bezel with liquid metal Roman numerals, meteorite dial with black PVD hands & markers, and a stainless steel bracelet. The watch is from 2025 and comes in full set condition.

  • Condition: Nice preowned condition with some light scratches on the case and bracelet.
  • Case material: stainless steel
  • Bezel material: black ceramic
  • Dial description: meteorite dial
Posted at
Mar 17, 2026, 6:55 PM
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