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

Reference 123.55.27.20.55.001

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

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece that embodies luxury and elegance. This stunning timepiece boasts an exquisite brushed red gold casing, measuring just 27mm in diameter, tailored for those who favor understated yet luxurious looks. The mother-of-pearl (MOP) dial adds depth with its iridescent quality, changing with the light to create a unique charm that captivates anyone's attention. The gem-set bezel and indexes elevate the watch's luxury quotient, making it a statement piece that shines like a supernova. At its heart lies the Omega caliber 8521 movement, showcasing precision and reliability through its self-winding Co-Axial escapement, reducing friction and enhancing precision. With a power reserve of 50 hours and a frequency of 25,200 vibrations per hour, this watch is engineered for efficiency. It boasts a water resistance of up to 100 meters (or 330 feet), making it suitable for everyday wear, swimming, or water sports without worrying about damage. The supple strap complements the luxurious feel, ensuring comfort and versatility in any occasion.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Brushed Red Gold Casing
  • Mother-of-Pearl Dial with Iridescent Quality
  • Gem-Set Bezel and Indexes
  • Omega Caliber 8521 Movement with Co-Axial Escapement
  • Water Resistance up to 100 meters (330 feet)
  • Power Reserve of 50 hours
  • Frequency of 25,200 vibrations per hour

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Diamond / MOP Supernova
Reference
123.55.27.20.55.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega - 14902 SC-61 · $1,999
  • Condition: Pre-owned, serviced
  • Case Size: 34.5mm (excluding crown)
  • Lug To Lug: ~42mm
  • Thickness: ~11mm
Posted at
Apr 9, 2026, 2:55 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Ref. 198.0118 Textured Dial – $650

Omega Constellation Ref. 198.0118 Textured Dial – $650

Omega - 198.0118 · $650
  • Condition: fair vintage condition
  • Case size: 34mm (wears larger due to integrated bracelet design)
  • Fits wrist: ~7.5” comfortably
  • Bracelet material: original Omega, 10k gold filled
Posted at
Apr 8, 2026, 3:35 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega - 14393 · $1,950
This Omega Constellation features a Pie Pan Crosshair dial and comes fitted on an Omega beads of rice bracelet. The 35mm case is in good shape with sharp lugs.

  • Condition: some wear, overall great condition, sharp lugs
  • Bracelet: Omega beads of rice bracelet
Posted at
Apr 8, 2026, 11:55 AM
Active
View listing on r/WatchExchange
[WTS] omega constellation 168.005 | original crystal & crown | unpolished

omega constellation 168.005 | original crystal & crown | unpolished

Omega - 168.005 · $2,250
The Omega Constellation is a luxury watch being sold unpolished, retaining its original crystal and crown. It comes with a metal lined presentation box.

  • Condition: unpolished
  • Original crystal & crown: true
  • Shipped: true
Posted at
Apr 8, 2026, 7:29 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – Serviced (11/2025) – $1945 + shipping OBO

Omega - 168.005 · $1,945
a 1964 Omega Constellation Pie Pan ref. 168.005 featuring dog-leg lugs and cal. 561 movement, serviced in November 2025.

  • Condition: Excellent for its age
  • Calibre: Cal. 561 movement
  • Year: 1964
  • Movement type: Chronometer-grade
Posted at
Apr 7, 2026, 3:26 PM
Active
View listing on r/WatchExchange
[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega Constellation Pie Pan Cal. 564 Ref. 168.005 | Great Condition (Serviced) | $2600

Omega - 168.005 · $2,600
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great serviced condition
  • Movement: Omega Calibre 564
  • Jewels: 24
Posted at
Apr 6, 2026, 11:13 PM
Active
View listing on r/WatchExchange
[WTS] Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Package Deal! Two Omega Constellation Manhattan Day Dates - Integrated Bracelet Beauties CHEAP!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Dates for sale, one in full steel and the other in two-tone. Both have crisp white dials, luminescent hands, and gold dot markers.

  • Condition: Pre-owned, unpolished with age-related wear
  • Diameter: 33MM
  • Bracelet Length Stainless: up to approximately 7.5 inches
  • Bracelet Length Two Tone: just over 7 inches
Posted at
Apr 6, 2026, 9:48 PM
Active
View listing on r/WatchExchange
[WTS] Rare Omega Constellation 2000 Millennium 1504.50

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999
This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

  • Condition: Good condition, with normal signs of wear and scratching on the crystal
  • Production run: Limited to 2000 pieces
  • Service history: Unknown
Posted at
Apr 5, 2026, 8:40 PM
Active
View listing on r/WatchExchange