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

Reference 123.20.27.20.55.002

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

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of horology, boasting exquisite craftsmanship, high functionality, and stunning aesthetics. Its combination of brushed stainless steel and yellow gold creates a striking contrast that exudes luxury. The round shape is classic, with a 27 mm diameter perfect for those who prefer a more dainty watch without sacrificing visibility. The Mother of Pearl (MOP) Supernova dial is a showstopper, shimmering with iridescence that changes hue with the light. Gem-set indexes add a sparkling touch that perfectly complements the luxurious design. With its automatic Omega Caliber 8520 movement, this watch delivers precision and reliability, featuring a power reserve of 50 hours and a frequency of 25,200 vibrations per hour. Certified as a chronometer by the COSC, it's a trusted friend who always keeps you on time. The watch boasts a water resistance of up to 100 meters, making it perfect for casual water activities. Its comfortable bracelet is crafted from brushed stainless steel and yellow gold, providing a snug yet comfortable fit. With its stunning design and reliable movement, the Omega Constellation Co-Axial 27 is a timeless piece that blends tradition with modernity.
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MSRP: $8,600
Market Price: $4,133

Key Features

  • Omega Caliber 8520 Automatic Movement
  • Stainless Steel & Yellow Gold Case Material
  • Sapphire Crystal Glass
  • Gem-Set Indexes for Added Luxury
  • Water Resistance up to 100 meters
  • Certified Chronometer by COSC

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / MOP Supernova
Reference
123.20.27.20.55.002
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] asking 800$ - Vintage Omega Constellation Manhattan Mens Date Watch (Working Condition)

asking 800$ - Vintage Omega Constellation Manhattan Mens Date Watch (Working Condition)

Omega - Manhattan Mens Date Watch · $800
a vintage men's date watch from Omega's Constellation Manhattan collection

  • Condition: Working Condition
  • Price range: $800$
  • Vintage: true
Posted at
Apr 25, 2026, 8:11 PM
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[WTS] Omega Omega Constellation Ref. 14393/4 SC – 18K Solid Gold – 18K Gold Pie Pan Dial Price : 6000$

Omega Omega Constellation Ref. 14393/4 SC – 18K Solid Gold – 18K Gold Pie Pan Dial Price : 6000$

Omega - 14393/4 SC · $6,000
A stunning Omega Constellation Ref. 14393/4 SC watch in solid 18K yellow gold features a Pie Pan Dial, automatic movement Caliber 564 and classic star emblem above 6 o'clock.

  • Condition: Excellent vintage condition
  • Case material: 18K Solid Gold
  • Dial material: 18K Gold
  • Movement: Caliber 564, Automatic
Posted at
Apr 25, 2026, 1:24 PM
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[WTS] Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega Constellation Manhattan ref. 396.1070 - 33mm Quartz, Blue Hands & Logo, Very Clean

Omega - 396.1070 · $850
This is a vintage Omega Constellation Manhattan watch featuring a silvery white dial, blue hands and dial printing. The 33mm diameter case has a tonneau shape and wide integrated bracelet.

  • Condition: Very good
  • Case diameter: 33mm
  • Lug to lug length: 35.2mm
  • Bracelet size: ~6.75" wrist
Posted at
Apr 25, 2026, 8:32 AM
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[WTS] Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega - Constellation 1968 · $1,299
A used 1968 Omega Constellation featuring an automatic caliber 564 movement with a quickset date, white gold bezel, and 'linen' dial.

  • Condition: 7.5/10
  • Movement: caliber 564
  • Crystal: unsigned with minor scratches
  • Dial marks: slight marks visible under strong artificial light
Posted at
Apr 25, 2026, 3:06 AM
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[WTS] Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

A vintage Omega Constellation Pie Pan from 1966, featuring a gold-filled case and serviced recently.

Posted at
Apr 24, 2026, 1:31 PM
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[WTS] 1961 Omega Jumbo Constellation ref. 14778-61 SC w/ Cal. 551 – Uncommon 37mm gold-capped case – $2,300 shipped all-in

1961 Omega Jumbo Constellation ref. 14778-61 SC w/ Cal. 551 – Uncommon 37mm gold-capped case – $2,300 shipped all-in

Omega - 14778-61 SC · $2,300
This Omega Constellation is an uncommon 'jumbo' 37mm no-date model with a gold-capped case and Cal. 551 movement. It has been freshly serviced in Jan 2026.

  • Condition: Very strong overall condition with a clean, original-looking dial and freshly serviced Cal. 551 movement
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement caliber: Cal. 551
Posted at
Apr 24, 2026, 10:11 AM
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[WTS] Omega Constellation 168.001 “Jumbo” 37MM Gold Capped - $2,550

Omega Constellation 168.001 “Jumbo” 37MM Gold Capped - $2,550

Omega - 168.001 · $2,550
This Omega Constellation 'Jumbo' is a rare 37MM model released only to specific Asian markets, featuring a Calibre 561 Automatic Chronometer movement and a 14k Constellation emblem on its stainless case back. The watch appears original with all the appropriate appliques and indices, and has been well-maintained throughout its years. It's now available for sale at $2,550.

  • Condition: Excellent condition for its age
  • Case size: 37MM diameter
  • Movement: Calibre 561 Automatic Chronometer (24 jewels, 19,800 vph)
  • Functions: Hours, minutes, central sweep-second hand, date (semi-quickset)
Posted at
Apr 23, 2026, 7:11 PM
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[WTS] 1960s Omega Constellation Pie Pan Ref. 168.005 | Flawless Silver Dial | Unpolished Steel Case | Cal. 564 Quickset | All Original | $2500 (SERVICED)

1960s Omega Constellation Pie Pan Ref. 168.005 | Flawless Silver Dial | Unpolished Steel Case | Cal. 564 Quickset | All Original | $2500 (SERVICED)

Omega - 168.005 · $2,500
A 1960s Omega Constellation Pie Pan Ref. 168.005 with a flawless silver sunburst dial and unpolished stainless steel case, featuring a chronometer-rated Caliber 564 movement with push-pull quickset date function.

  • Condition: Excellent/Pristine
  • Movement: Omega Caliber 564 Automatic Chronometer
  • Dial: Original silver sunburst Pie Pan dial
  • Case material: Stainless Steel
Posted at
Apr 23, 2026, 10:44 AM
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[WTS] Omega Constellation 2782 - On Beads of Rice Bracelet - Recently Serviced.

Omega Constellation 2782 - On Beads of Rice Bracelet - Recently Serviced.

Omega - 2782 · $1,900
This Omega Constellation is a third-generation model with a bumper automatic movement and a medallion on the caseback. It features a steel case, eggshell dial, applied gold hour markers, and a crosshair configuration.

  • Condition: Good shape
  • Case size: 35mm
  • Bracelet size: up to approximately 7.5 inches
  • Movement type: bumper automatic caliber 354
Posted at
Apr 22, 2026, 4:56 PM
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