Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold / MOP Supernova
Reference 123.20.27.20.55.002
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.
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] Omega Constellation C-Shape 168.0056 With Papers](https://external-preview.redd.it/jMYGcVbl3m_6lkIxWIZ5IsU307bq48ttli_ydfoo_Qw.jpeg?auto=webp&s=a953090c83b6b88ea64b363422a22a39d8e3505a)
Omega Constellation C-Shape 168.0056 With Papers
This Omega Constellation Chronometer C-shape features a gold plated stainless steel case, automatic movement, and chronometer-rated accuracy.
- Condition: Vintage, very good condition
- Case size: 35mm
- Movement: Omega Caliber 1011, automatic, chronometer-rated
- Functions: Time and date
![[WTS] Omega Constellation Chronometer Gold Plated 168.0056](https://external-preview.redd.it/Y5qKpcn_-xPaxfhuE47IBefW55b-i1n2yeW03IGwSXA.jpeg?auto=webp&s=44a276e46d9c89b89bae386d6e846edcc7884f8a)
Omega Constellation Chronometer Gold Plated 168.0056
A vintage Omega Constellation Ref. 168.0056 with an automatic chronometer movement and gold plated stainless steel case.
- Condition: Excellent
- Movement: Cal. 1011
- Case material: Gold Plated Stainless Steel
- Diameter: 35mm (excluding crown)
![[WTS] 1959 Vintage Omega Constellation ref. 14381 Gold-capped - Serviced cal. 551 - $1150 shipped](https://external-preview.redd.it/QnxvKT08wNClo0kuQtAS9PnYxoJjbMSNtGRDiRSRM38.jpeg?auto=webp&s=00980c9223403522ce54cdc551138b870966d242)
1959 Vintage Omega Constellation ref. 14381 Gold-capped - Serviced cal. 551 - $1150 shipped
A vintage Omega Constellation from 1959, featuring a gold-capped stainless steel case and an original dial in great condition.
- Condition: Good condition with some slight polishing on the case
- Caliber: 551
- Movement Serial Number Range: 17 million
- Case Material: Stainless steel with gold cap
![[WTS] Omega Constellation 1512.30 w/ Papers and booklet $900](https://external-preview.redd.it/voC-Cz_EiTmUt83tEln4u-Nf9B9iVEHDflj1hcK4qJw.jpeg?auto=webp&s=4a7e20863743f16e758088a6e977d5f5e98531c9)
Omega Constellation 1512.30 w/ Papers and booklet $900
This Omega Constellation is a classic design with original card and booklets. It's in excellent condition, running smoothly.
- Condition: Excellent
- Papers: original card and booklets
![[WTS] Omega Constellation 1512.30 Papers & Booklets $950](https://external-preview.redd.it/voC-Cz_EiTmUt83tEln4u-Nf9B9iVEHDflj1hcK4qJw.jpeg?auto=webp&s=4a7e20863743f16e758088a6e977d5f5e98531c9)
Omega Constellation 1512.30 Papers & Booklets $950
This Omega Constellation 1512.30 is a classic design watch with original card and booklets, in excellent condition and running smoothly.
- Condition: Excellent
- Papers: true
![[WTS] Omega Constellation Globemaster 39mm Blue Dial - Box & Papers](https://preview.redd.it/2ep3e8hr3e0f1.jpeg?auto=webp&s=7a42cf12d81b4f0b6f27222d26a9a9320373f672)
Omega Constellation Globemaster 39mm Blue Dial - Box & Papers
A modern Omega Constellation Globemaster with a 39mm stainless steel case, blue pie-pan dial, and coin-edge bezel inspired by original models from the 1950s.
- Case size: 39mm
- Movement caliber: Co-Axial Master Chronometer Caliber 8900

1970s Omega Constellation Ref: 391.0801 Quartz with Box
A 1970s Omega Constellation Ref: 391.0801 Quartz watch with a 32mm stainless steel case, horizontal grained silver dial, and original baton hands. It comes with an integrated bracelet and original Omega box.
- Condition: Excellent
- Case Size: 32mm
- Movement Type: quartz (1330)
- Bracelet Links: 23 links
![[WTS] Vintage Omega Pie Pan Constellation 168.004 Freshly Serviced ($1100)](https://external-preview.redd.it/voEu9FN9AwWWL0QQA-prTjv1ph4BxdkvJ7xdQ2XuTUg.jpeg?auto=webp&s=f02b4b9554a8827e7f788d9d5572ea8f17f9d00e)
Vintage Omega Pie Pan Constellation 168.004 Freshly Serviced ($1100)
This Omega Pie Pan Constellation is a vintage watch that runs flawlessly and comes with original parts, including a signed crystal and bracelet.
- Condition: Great condition
- Bracelet size: up to 7.5 inches
- Bracelet material: signed and original
- Case diameter: 36mm
Vintage Omega Constellation Ref. 14381 8 SC – Two-Tone | Cal. 551 Chronometer | Stunning Crosshair Dial
A vintage Omega Constellation 14381 8 SC, manufactured in 1959, featuring the Caliber 551 Chronometer movement. The watch has a stainless steel case with gold-capped lugs and bezel, and an original crosshair dial.
- Condition: Pre-owned; minor cosmetic wear consistent with age
- Case Size: 34.5mm
- Lug Width: 18mm
- Case Material: Stainless Steel with 14kt Gold-Capped lugs and bezel