Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon

Reference 123.55.27.20.55.005

About this watch

The Omega Constellation Co-Axial 27 embodies the essence of luxury watchmaking with its exquisite design, advanced movement, and durable construction. This stunning timepiece features a brushed red gold case radiating warmth and elegance, complemented by a gem-set bezel that adds a touch of sparkle. The mother-of-pearl dial provides an excellent contrast against the gold and diamonds, ensuring legibility while making a statement piece. At its heart lies the Omega caliber 8421, a self-winding movement with a Co-Axial escapement, enhancing precision and stability. With a power reserve of 50 hours and a frequency of 25,200 vibrations per hour, this movement is designed for longevity and reliability. The watch boasts a water resistance rating of 100 meters, making it suitable for everyday wear. Its round shape complements the overall aesthetic, making it perfect for both casual and formal occasions.
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Key Features

  • Omega caliber 8421 self-winding movement
  • Co-Axial escapement for precision and stability
  • Water resistance up to 100 meters
  • Mother-of-pearl dial with gem-set bezel
  • Brushed red gold case with 18 Ct red gold oscillating mass
  • Exclusive Geneva waves in arabesque finish on movement
  • High-quality strap for comfort

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon
Reference
123.55.27.20.55.005
Movement
8421
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellations De Luxe 18kt Solid Gold Case, Bracelet, and Dial w/ Original Box and Buckle ref. 168.004/14

Omega Constellations De Luxe 18kt Solid Gold Case, Bracelet, and Dial w/ Original Box and Buckle ref. 168.004/14

Omega - 168.004/14 · $7,150
A solid gold Omega Constellations De Luxe with a 18kt gold case, dial, and vintage aftermarket bracelet, featuring an automatic chronometer movement and original box and buckle.

  • Condition: Excellent
  • Case weight: ~58g
  • Bracelet weight: 34g
  • Bracelet repair: mesh repaired in two places
Posted at
Apr 27, 2025, 4:46 PM
Active
[WTS] Omega Constellation 167.005

Omega Constellation 167.005

Omega - 167.005 · $1,250
This Omega Constellation features a 36mm case, powered by the 551 movement, and has developed a nice patina on its dial.

  • Condition: Pre-owned with scratches and wear marks
  • Case size: 36mm diameter
  • Movement: 551 calibre
Posted at
Apr 27, 2025, 3:01 PM
Active
[WTS] Dressy Duo - Omega 35mm Constellation & Discontinued Mod Size, Tiffany Blue Tiffany East West

Dressy Duo - Omega 35mm Constellation & Discontinued Mod Size, Tiffany Blue Tiffany East West

A dressy duo of Omega and Tiffany watches, both recently serviced, with the Omega being an automatic and the Tiffany East West in Tiffany Blue.

  • Condition: essentially mint condition
  • Size1: 35mm diameter
  • Box1: no box
  • Papers1: no papers
Posted at
Apr 27, 2025, 2:03 PM
Active
[WTS] Omega Constellation Chronometer 168.0056 With Papers

Omega Constellation Chronometer 168.0056 With Papers

Omega - 168.0056 · $1,150
This Omega Constellation Chronometer is a great example of Gerald Genta's 'C-shape' design, featuring an Omega Caliber 1011 automatic movement that has been timegrapher tested for accuracy. The watch comes with original papers from a Japan boutique and includes a leather strap with buckle.

  • Condition: Vintage, very good condition
  • Movement: Omega Caliber 1011, automatic, chronometer-rated
  • Functions: Time and date
  • Case size: 35mm diameter
Posted at
Apr 27, 2025, 7:26 AM
Active
[WTS] 2024 Omega Constellation - Full set Box and Papers - Ref# 131.33.41.21.04.001

2024 Omega Constellation - Full set Box and Papers - Ref# 131.33.41.21.04.001

The Omega Constellation is a flagship watch characterized by its half-moons and claws on the side of the case, making it a perfect combination of class and durability. The 41 mm case features a blue ceramic bezel, making it suitable for daily wear.

  • Condition: very good with light signs of wear on the case
  • Case size: 41mm diameter
  • Bezel material: blue ceramic
  • Band condition: near perfect
Posted at
Apr 26, 2025, 2:59 PM
Active
[WTS] Vintage Omega Constellation Automatic - Ultra Thin Movement

Vintage Omega Constellation Automatic - Ultra Thin Movement

Omega - 157.0002 · $999
This is a rare example of the ultra thin automatic Omega Constellation with a clean Genta-inspired design, all original and in exceptional shape.

  • Condition: Exceptional shape, all original
  • Case Size: 35mm
  • Dial Type: Original
  • Crown Type: Original
Posted at
Apr 26, 2025, 1:49 PM
Active
[WTS] Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $825 Shipped!

Vintage Omega Constellation Chronometer - 168.0056 - C-Shaped Case - $825 Shipped!

Omega - 168.0056 · $825
This vintage Omega Constellation Chronometer features an automatic movement and a C-shaped case measuring approximately 35mm in diameter, with a date window at 3 o'clock.

  • Condition: good condition with signs of wear, consistent with its age
  • Case diameter: 35mm
  • Movement type: automatic
Posted at
Apr 26, 2025, 11:03 AM
Active
[WTS] Omega Constellation. PiePan. Automatic.

Omega Constellation. PiePan. Automatic.

Omega - Constellation · $1,450
This Omega Constellation features an automatic movement and a Pie Pan dial, with a stainless steel AM strap.

  • Condition: nice condition
  • Movement type: automatic
  • Strap: AM strap
Posted at
Apr 25, 2025, 3:30 PM
Active
[WTS] Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

A 35mm Omega Constellation Co-Axial Chronometer with a reverse clous de paris dial, powered by the Caliber 2500 chronometer movement.

  • Condition: Good, with minor hairline scratches on case and bracelet
  • Diameter: 35mm
  • Lug To Lug: 38.4mm
  • Thickness: 10.8mm
Posted at
Apr 25, 2025, 11:54 AM
Active