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.
Buy Now on Jomashop
This is an affiliate link
MSRP: $10,000
Market Price: $3,155

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

[WTS] Omega Constellation 🌌 Gerald Genta

Omega Constellation 🌌 Gerald Genta

Omega - Constellation · $850
This Omega Constellation is a classic watch from the Gerald Genta design era, known for its iconic style. It's a late 60s model that runs great and has been purchased at an estate sale.

  • Gerald genta design: true
Posted at
Jan 10, 2026, 5:07 PM
Active
[WTS] Omega Constellation Globemaster – 39mm Blue Pie Pan Dial – Set

Omega Constellation Globemaster – 39mm Blue Pie Pan Dial – Set

Omega - 130.33.39.21.03.001 · $4,400
The Omega Constellation Globemaster features a 39mm stainless steel case, coin-edge bezel, and classic pie-pan dial inspired by original Constellation models of the 1950s.

  • Case size: 39mm
  • Diameter: 39mm
Posted at
Jan 9, 2026, 7:58 PM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
A 1969 Omega Constellation C Shape reference 168.017 featuring a stainless steel case and automatic movement calibre 564.

  • Condition: Great, minor hairline scratches
  • Case size: 35mm diameter
  • Movement: Calibre 564 automatic
Posted at
Jan 9, 2026, 8:05 AM
Active
[WTS] Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1750

Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1750

Omega - 14381-11 SC · $1,810
The Omega Constellation Ref. 14381-11 SC is a fine example from one of Omega’s most respected design periods. Produced around 1959 to 1961, this model represents the golden age of mid-century Swiss watchmaking.

  • Condition: Great original condition, recently serviced
  • Case size: 34.5 mm × 43.5 mm
  • Dial condition: clean and crisp, light patina dot on the dial
  • Movement type: chronometer-certified automatic
Posted at
Jan 7, 2026, 10:27 PM
Active
[WTS] [WW] Omega Omega Constellation Ladies 24mm MOP

[WW] Omega Omega Constellation Ladies 24mm MOP

Omega - 6563-875 · $700
The Omega Constellation Ladies watch features a stainless steel case with a mother-of-pearl dial. It has a quartz movement for accurate timekeeping and comes with its original box and papers.

  • Condition: Good - shows signs of wear (scratches on bracelet and bezel, also there are dents on the back case)
  • Case Material: Stainless Steel
  • Movement: Quartz
  • Bracelet Length: 180mm (approx.)
Posted at
Jan 6, 2026, 3:13 PM
Active
[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 · $900
This Omega Constellation is a beautiful example from 1966 with an original dial and hands.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick
Posted at
Jan 6, 2026, 10:25 AM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650
The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active