Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars

Reference 123.55.27.20.05.004

Omega Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars

About this watch

The Omega Constellation 123.55.27.20.05.004 is a masterpiece that embodies luxury, precision, and elegance. This stunning timepiece boasts an 18 Ct red gold case, gem-set bezel, and scratch-resistant sapphire glass, making it a true work of art. The Omega caliber 8521 movement, featuring Co-Axial escapement and silicon balance-spring, ensures unparalleled accuracy and durability. With its white mother of pearl (MOP) dial adorned with diamond accents, this watch is like wearing a piece of the night sky on your wrist. Its impressive water resistance of up to 1000 meters makes it perfect for diving enthusiasts, while its compact size of 27.00 mm ensures elegance without bulkiness. The Constellation Co-Axial 27 is not just a watch; it's a certified chronometer, trusted to keep impeccable time. Whether you're at a board meeting or a beach party, this watch has got you covered. Its date function and luxurious finishes make it a true masterpiece of horology.
Buy Now on Jomashop
This is an affiliate link
MSRP: $34,000
Market Price: $14,472

Key Features

  • 18 Ct red gold case
  • Gem-set bezel with scratch-resistant sapphire glass
  • Omega caliber 8521 movement with Co-Axial escapement and silicon balance-spring
  • White mother of pearl (MOP) dial with diamond accents
  • Impressive water resistance of up to 1000 meters
  • Compact size of 27.00 mm
  • Certified chronometer with date function

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Stars
Reference
123.55.27.20.05.004
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
1000

Current Listings

[WTS] Omega Quartz Constellation 18k Gold Plated Coin Case for sale $399 - Shipped

Omega Quartz Constellation 18k Gold Plated Coin Case for sale $399 - Shipped

Omega - Quartz Constellation · $399
For sale is an Omega Quartz Constellation in a 18k gold plated case, with an aftermarket Hirsch leather strap.

  • Condition: New
  • Case material: 18k gold plated
  • Case diameter: 36.8mm (including crown)
  • Lug-to-lug length: 38.6mm
Posted at
Feb 25, 2026, 2:41 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega - 168.005 · $1,860
The Omega Constellation Ref. 168.005 “Türler” is a vintage watch from the early to mid-1960s with a stainless-steel case and flat silver dial. It features applied markers, dauphine hands, and a framed date window, making it a unique example of Omega's collaboration with the historic Swiss jeweller Türler.

  • Condition: Good Condition (Serviced)
  • Case size: 34.5mm
  • Movement: Caliber 561 (24-jewel chronometer-rated)
  • Power reserve: 50 hours
Posted at
Feb 24, 2026, 10:46 PM
Active
View listing on r/WatchExchange
[WTS] 1966 OMEGA CONSTELLATION WATCH

1966 OMEGA CONSTELLATION WATCH

Omega - 168.005 · $3,000
A modern vintage grail, 1966 Omega Constellation in UNPOLISHED/UNTOUCHED condition featuring the "dog leg" lugs and a cross-hair dial.

  • Condition: UNPOLISHED/UNTOUCHED with minor scratches on case and caseback
  • Case diameter: 34mm
  • Case length: 42.7mm (lug tip to lug tip)
  • Movement serial #: 24501601
Posted at
Feb 24, 2026, 7:13 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Globemaster - $4600 shipped

Omega Constellation Globemaster - $4600 shipped

Omega - Constellation Globemaster · $4,600
This Omega Constellation Globemaster is the first watch to be METAS certified and features a 39mm case size. It comes with additional straps, including a Hirsch leather strap.

  • Condition: great working condition
  • Length: 7 inches
Posted at
Feb 24, 2026, 12:48 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

OMEGA CONSTELLATION 123.10.38.21.01.001 - $1699 - DHL

Omega - 123.10.38.21.01.001 · $1,699
A Constellation model from Omega with automatic movement and original case and bracelet.

  • Condition: Good (9/10)
  • Movement: Automatic 2500
  • Case Dimensions: 35mm diameter
  • Serviced: 2026
Posted at
Feb 24, 2026, 10:21 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega Constellation Manhattan Quartz 1980s $899 Shipped 33MM

Omega - Constellation Manhattan Quartz · $899
a quartz-powered Omega Constellation Manhattan from the 1980s, measuring 33mm in diameter.

Posted at
Feb 23, 2026, 10:33 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega Constellation 33mm ref 1512.40 - $799 - DHL

Omega - 1512.40 · $799
This Omega Constellation is a quartz-powered watch with an original case and bracelet, measuring 33mm in diameter.

  • Condition: Good (9/10)
  • Movement: Quartz
  • Case dimensions: 33mm diameter
  • Bracelet type: Original
Posted at
Feb 23, 2026, 10:42 AM
Active
View listing on r/WatchExchange
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
View listing on RolexForums