Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / White MOP
Reference 123.15.27.20.55.003
About this watch
The Omega Constellation Co-Axial 27 is a masterpiece of horology, combining elegance, precision, and style in one stunning package. Founded in 1848, Omega is a name synonymous with quality and innovation, known for their precision and reliability that has graced the wrists of astronauts, world leaders, and even fictional spies. The Constellation series is renowned for its distinctive design and exceptional performance, offering a unique blend of elegance and modernity. With a sleek brushed stainless steel case and luxurious mother-of-pearl dial, this watch is perfect for both formal and casual occasions. At the heart of the Omega 123.15.27.20.55.003 is the automatic Omega caliber 8520 movement, known for its precision and reliability, operating at a frequency of 25,200 vibrations per hour, offering a 50-hour power reserve. With features like hours, minutes, seconds, and date functionality, this watch is built to perform! The Co-Axial escapement reduces friction between components, improving the long-term accuracy of the watch. Plus, being a chronometer means that this watch has passed rigorous tests for precision. The Omega Constellation Co-Axial 27 comes with a stainless steel bracelet that complements the case beautifully, designed for comfort and style. Its elegant design pairs beautifully with a cocktail dress or tailored suit, but it also looks fantastic with simple tee and jeans.
Key Features
- Automatic Omega caliber 8520 movement
- Chronometer accuracy
- 100m water resistance
- Mother-of-pearl dial
- Gem-set bezel
- Stainless steel case
- Co-Axial escapement
Specifications
- Brand
- Omega
- Family
- Constellation
- Model
- Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / White MOP
- Reference
- 123.15.27.20.55.003
- Movement
- 8520
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 27mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
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- Condition: Pre-owned, small age-related wear throughout
- Case Size: 33MM
- Bracelet Length Stainless: up to 7.5 inches
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- Condition: pre-owned
- Diameter: 35mm
- Lug width: 18mm
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- Case shape: cushion case
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A Omega Constellation Double Eagle, in good condition, suitable for everyday use.
- Condition: Good daily wear
- Lume quality: nice
- Case size: 38/39mm
- Shipping method: Fedex with insurance
1959 Omega Constellation ref. 14393 gold capped w/ Cal. 561 – crosshair dial – $1575 shipped
1959 Omega Constellation ref. 14393 with chronometer-grade Cal. 561 automatic movement, clean original sunburst crosshair dial, and a very honest overall presentation.
- Condition: Excellent with honest presentation
- Movement: Cal. 561 automatic movement
- Dial: Original sunburst crosshair dial
- Service: Freshly serviced in March 2026
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A pre-owned Omega Constellation 1542.30 in great shape with all functions working correctly, featuring a clear crystal and a well-maintained bracelet.
- Condition: great shape with minor scuffing on the bracelet
- Crystal clarity: clear
- Bracelet stretch: little to no stretch
Omega Constellation Day-Date Ref. 396.1080 Two-Tone
The Manhattan-era Constellation is a cleaner quartz watch design from the late 1980s, featuring a steel case, 18k yellow gold bezel, black Roman numerals, gold-accented integrated bracelet, and a white dial showing day and date via two independent subdials.
- Condition: Good with expected light wear to the bracelet and case
- Case Diameter: 33mm
- Bezel Material: 18k yellow gold
- Crystal Type: Sapphire
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A used 1968 Omega Constellation featuring an automatic caliber 564 movement with a quickset date and a beautiful linen dial.
- Condition: 7.5/10
- Movement: caliber 564
- Case condition: slight marks on the dial visible under strong artificial light
1959 Omega Constellation patina Pie Pan dial ref. 14381 with original bracelet!! Serviced!! - $1890 shipped!
This vintage Omega Constellation Pie Pan automatic watch features a beautiful patina dial, rose gold hands and indices, and an original stainless steel case with genuine Omega bracelet. The watch has been serviced and keeps good time.
- Condition: 9/10
- Case size: 34.5mm
- Movement caliber: 551
- Bracelet type: Original Omega bracelet