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

Reference 123.20.27.20.57.002

About this watch

The Omega Constellation Co-Axial 27 is a stunning luxury watch that embodies the spirit of elegance and sophistication. With its harmonious blend of brushed stainless steel and yellow gold, this watch captures attention without screaming for it. The champagne mother of pearl (MOP) dial adds a touch of luxury, making it perfect for both casual and formal occasions. The Omega caliber 8520 automatic movement boasts precision and reliability, featuring a 50-hour power reserve and accurate timekeeping thanks to its frequency of 25,200 vibrations per hour. This timepiece is equipped with hours, minutes, seconds, and a date function, making it an excellent addition to any wardrobe. Whether you're in a boardroom or at a gala, the Constellation Co-Axial 27 fits seamlessly into any environment. With its gem-set indexes and sapphire glass, this watch is not just a pretty face but also durable and water-resistant up to 100 meters. Wearing the Omega Constellation Co-Axial 27 is an experience in itself, with its weight feeling substantial yet comfortable on the wrist. The smooth movements of the hands across the dial are mesmerizing, almost like a gentle dance. This watch adapts to your style, making it perfect for both casual and formal attire.
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Key Features

  • Omega caliber 8520 automatic movement
  • 50-hour power reserve
  • Sapphire glass for scratch protection
  • Water resistance up to 100 meters
  • Gem-set indexes for added luxury
  • Dauphine hands for classic touch
  • Champagne mother of pearl dial

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / Champagne MOP
Reference
123.20.27.20.57.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Crystal
Sapphire
Water Resistance
100

Current Listings

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

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Omega - 396.1070 · $850
A vintage Omega Constellation Manhattan watch, reference 396.1070, featuring a silvery white dial and blue hands. The 33mm diameter case has a tonneau shape with an integrated bracelet.

  • Condition: Very good
  • Case Diameter: 33mm
  • Lug To Lug Length: 35.2mm
  • Bracelet Size Range: ~6.75"
Posted at
May 10, 2026, 6:23 PM
Active
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A vintage Omega Constellation Pie Pan from 1966 in good condition, serviced recently.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Year: 1966
Posted at
May 8, 2026, 12:52 PM
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[WTS] Omega Constellation Gold Pie Pan $2100

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A classic early-60s Constellation with an iconic pie-pan dial and clean case, perfectly representing Omega's chronometer design language at its peak.

  • Condition: Excellent with all original parts
  • Case material: Gold Cap case
  • Dial description: Pie-pan dial
  • Dimensions width: 34.5 mm (excluding crown)
Posted at
May 7, 2026, 4:34 PM
Active
[WTS] Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

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A vintage Omega Constellation Manhattan with a crisp white dial and gold dot markers. The watch features an integrated bracelet and a Swiss quartz movement with quickset date.

  • Condition: Pre-owned, unpolished, with age-related wear
  • Diameter: 33mm
  • Bracelet size: approximately 7.25 inches
  • Movement type: Swiss quartz movement with quickset date
Posted at
May 6, 2026, 10:00 PM
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[WTS] 1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,375

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Omega - 168.0057 · $1,375
A 1973 Omega Constellation ref. 168.0057, powered by the automatic chronometer Cal. 1021 with quick-set day-date, and comes on its original Omega brick bracelet ref. 1040.

  • Condition: Very good condition with normal wear from age
  • Movement caliber: Cal. 1021
  • Bracelet size: fits up to approx. 7.25" wrist
Posted at
May 6, 2026, 9:15 AM
Active
Tiltle: [WTS] 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Tiltle: 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Omega - 168.005 · $2,200
A 1963 Omega Constellation Pie Pan with a silver sunburst dial, applied gold faceted indices, and a Chronometer-rated Caliber 561 automatic movement.

  • Condition: Excellent vintage condition
  • Movement: Serviced Automatic Chronometer-rated Caliber 561
  • Dial: Original Silver Sunburst Pie Pan dial
  • Case: 34.5mm Gold-capped construction with 42.5mm lug-to-lug and ~11mm thickness
Posted at
May 5, 2026, 9:38 AM
Active
[WTS] 1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

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This is a rare 1959 Omega Constellation Chronometer, ref. 14381-7 SC, Cal. 551 automatic watch with an early crosshair pie-pan variant dial and original Ω-signed crystal and crown.

  • Condition: Light surface wear consistent with age
  • Year: 1959
  • Caliber: Omega 551 (base 550)
  • Jewels: 24
Posted at
May 4, 2026, 1:09 AM
Active
[WTS] Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

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Omega - 168.001 · $2,400
  • Condition: Excellent condition for a watch >60 years old
  • Movement Type: Calibre 561 Automatic Chronometer
  • Case Size: 37MM (~45MM Lug-to-Lug)
  • Lug Width: 19mm
Posted at
May 3, 2026, 12:49 PM
Active