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

Reference 123.25.27.20.57.007

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

About this watch

The Omega Constellation Co-Axial 27 is a luxury watch that embodies elegance, precision, and sophistication. Its stunning blend of brushed stainless steel, yellow gold, diamond embellishments, and the captivating Tahiti mother-of-pearl dial makes it a feast for the eyes and a marvel of engineering. This harmonious balance of classic and contemporary design is perfectly proportioned for those who prefer a smaller watch face without sacrificing visibility. The gem-set bezel adds a touch of opulence, making it suitable for both daytime wear and evening events. Underneath its elegant exterior lies the heart of the watch – the Omega caliber 8520 movement, renowned for its reliability and precision. This automatic movement features a chronometer certification, Co-Axial escapement, and a power reserve of 50 hours. With a water resistance rating of 100 meters, this watch is built to withstand life's adventures while maintaining comfort and style. Whether you're heading to a business meeting or a casual brunch with friends, the Omega Constellation Co-Axial 27 complements any outfit beautifully. This timepiece is an investment in quality, craftsmanship, and timeless design that can be passed down through generations.
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Key Features

  • Automatic movement with a 50-hour power reserve
  • Chronometer certification for precision and accuracy
  • Co-Axial escapement reducing friction between moving parts
  • Durable and water-resistant up to 100 meters
  • Dynamic Tahiti mother-of-pearl dial that changes with the light
  • Exceptional craftsmanship and attention to detail
  • Gem-set bezel adding a touch of opulence
  • Small diameter of 27.00 mm for a stylish and comfortable fit

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / Diamond / Tahiti MOP
Reference
123.25.27.20.57.007
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

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  • Condition: Pre-owned, unpolished, with age-related wear
  • Diameter: 33mm
  • Bracelet size: approximately 7.25 inches
  • Movement type: Swiss quartz movement with quickset date
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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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  • Condition: Very good condition with normal wear from age
  • Movement caliber: Cal. 1021
  • Bracelet size: fits up to approx. 7.25" wrist
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May 6, 2026, 9:15 AM
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  • 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
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[WTS] 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
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  • Movement Type: Calibre 561 Automatic Chronometer
  • Case Size: 37MM (~45MM Lug-to-Lug)
  • Lug Width: 19mm
Posted at
May 3, 2026, 12:49 PM
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A rare Omega Constellation Pie Pan Ref. 167.005 with a Rose Gold Cap finish and Cal. 551 chronometer-rated movement. This watch features a clean No Date configuration with a silver sunburst dial and multifaceted Rose Gold markers.

  • Condition: Serviced, great condition, all original
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Posted at
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A 1966 Omega Constellation Pie Pan with a gold-filled case in good condition, featuring a vintage aesthetic with a 34mm case width.

  • Condition: Good condition with wear and aging on the dial
  • Case width: 34mm
  • Gold filling type: Gold filled
  • Year of manufacture: 1966
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  • Condition: Excellent (some scratches on dial)
  • Case size: 35mm
  • Case material: Stainless Steel
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[WTS] CHEAP PACKAGE DEAL! Two Omega Constellation Manhattan Day Dates - Stainless & Two Tone

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A pair of Omega Constellation Manhattan Day-Dates in stainless steel and two-tone, featuring crisp white dials, luminescent hands, and gold dot markers. Both watches have 33MM cases with oversized bezels and integrated bracelets, giving them a larger presence on the wrist.

  • Condition: Pre-owned, some age-related wear
  • Case diameter: 33mm
  • Bracelet length: [object Object]
  • Movement: Swiss quartz, quickset date
Posted at
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