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

Reference 123.55.27.20.55.006

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

About this watch

The Omega Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Wave is a masterpiece of luxury watchmaking. This stunning timepiece boasts a captivating blend of red gold and diamonds, exuding elegance and sophistication. The brushed red gold case gives it a warm, inviting glow, while the gem-set bezel adorned with sparkling diamonds commands attention and admiration. The Omega caliber 8421 movement, featuring the innovative Co-Axial escapement, is a marvel of modern horology, offering greater precision, stability, and durability. With its water-resistant design up to 100 meters and open case back, this watch allows you to appreciate the craftsmanship of the movement inside. Whether dressing up for a black-tie event or adding a touch of sophistication to daily wear, this watch fits the bill, complementing both casual and formal attire with its paved diamond dial and polished gold case. The Omega Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Wave is an exceptional blend of artistry, engineering, and prestige, offering precision and craftsmanship that can be passed down for generations.
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Key Features

  • Brushed red gold case with warm glow
  • Gem-set bezel with sparkling diamonds
  • Omega caliber 8421 movement with Co-Axial escapement
  • Water-resistant up to 100 meters
  • Open case back with oscillating mass and balance bridge
  • Paved diamond dial and polished gold case
  • Automatic winding in both directions with 50-hour power reserve

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Wave
Reference
123.55.27.20.55.006
Movement
8421
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
Paved
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega - Constellation 1968 · $1,299
A used 1968 Omega Constellation featuring an automatic caliber 564 movement with a quickset date, white gold bezel, and 'linen' dial.

  • Condition: 7.5/10
  • Movement: caliber 564
  • Crystal: unsigned with minor scratches
  • Dial marks: slight marks visible under strong artificial light
Posted at
Apr 25, 2026, 3:06 AM
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[WTS] Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

A vintage Omega Constellation Pie Pan from 1966, featuring a gold-filled case and serviced recently.

Posted at
Apr 24, 2026, 1:31 PM
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[WTS] 1961 Omega Jumbo Constellation ref. 14778-61 SC w/ Cal. 551 – Uncommon 37mm gold-capped case – $2,300 shipped all-in

1961 Omega Jumbo Constellation ref. 14778-61 SC w/ Cal. 551 – Uncommon 37mm gold-capped case – $2,300 shipped all-in

Omega - 14778-61 SC · $2,300
This Omega Constellation is an uncommon 'jumbo' 37mm no-date model with a gold-capped case and Cal. 551 movement. It has been freshly serviced in Jan 2026.

  • Condition: Very strong overall condition with a clean, original-looking dial and freshly serviced Cal. 551 movement
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement caliber: Cal. 551
Posted at
Apr 24, 2026, 10:11 AM
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[WTS] Omega Constellation 168.001 “Jumbo” 37MM Gold Capped - $2,550

Omega Constellation 168.001 “Jumbo” 37MM Gold Capped - $2,550

Omega - 168.001 · $2,550
This Omega Constellation 'Jumbo' is a rare 37MM model released only to specific Asian markets, featuring a Calibre 561 Automatic Chronometer movement and a 14k Constellation emblem on its stainless case back. The watch appears original with all the appropriate appliques and indices, and has been well-maintained throughout its years. It's now available for sale at $2,550.

  • Condition: Excellent condition for its age
  • Case size: 37MM diameter
  • Movement: Calibre 561 Automatic Chronometer (24 jewels, 19,800 vph)
  • Functions: Hours, minutes, central sweep-second hand, date (semi-quickset)
Posted at
Apr 23, 2026, 7:11 PM
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[WTS] 1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original go| $2400 (SERVICED)

1960s Omega Constellation Ref. 168.005 | Caliber 564 Chronometer | Sharp Dog-Leg Lugs | Great Condition | All Original go| $2400 (SERVICED)

Omega - 168.005 · $2,400
The Omega Constellation Ref. 168.005 is a highly sought-after dress watch from the 'golden era' of Omega, featuring a silver sunburst dial and solid gold faceted indices.

  • Condition: Excellent vintage condition
  • Movement: Serviced Automatic Chronometer-rated Caliber 564
  • Case dimensions: [object Object]
  • Warranty: Watch Only
Posted at
Apr 23, 2026, 10:54 AM
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[WTS] 1960s Omega Constellation Pie Pan Ref. 168.005 | Flawless Silver Dial | Unpolished Steel Case | Cal. 564 Quickset | All Original | $2500 (SERVICED)

1960s Omega Constellation Pie Pan Ref. 168.005 | Flawless Silver Dial | Unpolished Steel Case | Cal. 564 Quickset | All Original | $2500 (SERVICED)

Omega - 168.005 · $2,500
A 1960s Omega Constellation Pie Pan Ref. 168.005 with a flawless silver sunburst dial and unpolished stainless steel case, featuring a chronometer-rated Caliber 564 movement with push-pull quickset date function.

  • Condition: Excellent/Pristine
  • Movement: Omega Caliber 564 Automatic Chronometer
  • Dial: Original silver sunburst Pie Pan dial
  • Case material: Stainless Steel
Posted at
Apr 23, 2026, 10:44 AM
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[WTS] Omega Constellation 2782 - On Beads of Rice Bracelet - Recently Serviced.

Omega Constellation 2782 - On Beads of Rice Bracelet - Recently Serviced.

Omega - 2782 · $1,900
This Omega Constellation is a third-generation model with a bumper automatic movement and a medallion on the caseback. It features a steel case, eggshell dial, applied gold hour markers, and a crosshair configuration.

  • Condition: Good shape
  • Case size: 35mm
  • Bracelet size: up to approximately 7.5 inches
  • Movement type: bumper automatic caliber 354
Posted at
Apr 22, 2026, 4:56 PM
Active
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[WTS] 1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

Omega - 14602 62 SC · $1,900
A 1962 Omega Constellation Pie Pan watch with a clean sunray silver dial and classic Dog-leg lugs, powered by the Caliber 561 automatic movement.

  • Condition: Good Vintage Condition
  • Movement: Serviced Automatic Chronometer-rated Caliber 561
  • Dial: Original silver sunray Pie Pan dial in good vintage condition
  • Case: 34mm stainless steel with sharp Dog-leg lugs and honest signs of wear
Posted at
Apr 22, 2026, 9:35 AM
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[WTS] Two Omega Constellation Manhattan Day Dates - Complicated Integrated Bracelet Beauties CHEAP PACKAGE DEAL!

Two Omega Constellation Manhattan Day Dates - Complicated Integrated Bracelet Beauties CHEAP PACKAGE DEAL!

Omega - Constellation Manhattan Day-Date · $1,795
Two Omega Constellation Manhattan Day-Date watches available for sale. One is in full steel and the other is two tone, both featuring crisp white dials with luminescent hands and gold dot markers. The watches are 33MM in case size but have oversized bezels, making them feel slightly smaller than a classic Datejust.

  • Condition: Pre-owned, unpolished with some age-related wear
  • Case Size: 33mm
  • Bracelet Size Stainless: up to 7.5 inches
  • Bracelet Size Two Tone: over 7 inches
Posted at
Apr 21, 2026, 8:57 PM
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View listing on r/WatchExchange