Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Brown MOP

Reference 123.50.27.20.57.001

About this watch

Welcome to the world of horology where craftsmanship meets elegance. The Omega Constellation Co-Axial 27 Brushed Red Gold / Brown MOP is a testament to the brand's commitment to excellence. Founded in 1848, Omega has become synonymous with precision and luxury. This watch features a compact diameter of 27.00 mm, making it an ideal choice for those who prefer a more petite wrist presence. The round shape and the elegant brushed red gold case exude luxury, while the fixed 12-hour bezel adds functionality without compromising style. At the core of this exquisite watch lies the Omega caliber 8521, boasting a Co-Axial Escapement that enhances precision, stability, and durability.
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Key Features

  • 18 Ct Red Gold Case
  • Brown Mother of Pearl Dial
  • Gem-Set Indexes
  • Dauphine Hands
  • Co-Axial Escapement Movement
  • Chronometer
  • Water Resistance 100m

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 27 Brushed Red Gold / Brown MOP
Reference
123.50.27.20.57.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 27mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[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
Active
[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
[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
Active
[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!

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
Active
[WTS] Omega Constellation Automatic | Stainless Steel and Gold | Reference 1202.30.00

Omega Constellation Automatic | Stainless Steel and Gold | Reference 1202.30.00

Omega - 1202.30.00 · $3,200
The Omega Constellation Automatic features a stunning lattice pattern dial and a thin, flush case for comfortable daily wear.

  • Condition: Excellent Pre-Owned
  • Case size: 35.5MM diameter
  • Serial number date: 1999
Posted at
Apr 20, 2026, 1:51 PM
Active
[WTS] 1960s Omega Constellation Pie Pan Ref. 167.005 | Symmetrical No-Date Dial | Caliber 551 Chronometer  | Great unpolished Condition | All Original | $ 2100 (SERVICED)

1960s Omega Constellation Pie Pan Ref. 167.005 | Symmetrical No-Date Dial | Caliber 551 Chronometer | Great unpolished Condition | All Original | $ 2100 (SERVICED)

Omega - 167.005 · $2,100
A mid-century minimalist watch featuring a rare No-Date configuration and the iconic Pie Pan dial, housing the legendary Caliber 551 movement.

  • Condition: Excellent unpolished condition
  • Movement: Serviced Omega Caliber 551 Automatic (24 Jewels), Chronometer rated
  • Dial: Original Silver Sunburst Pie Pan dial with applied steel markers and hands
  • Case: 34.5mm Stainless Steel construction, 8 stars visible on Observatory caseback
Posted at
Apr 20, 2026, 1:32 PM
Active
[WTS] 1966 Omega Constellation ref. 168.005 w/ Cal. 561 Serviced – crosshair dome dial – $1450 all-in

1966 Omega Constellation ref. 168.005 w/ Cal. 561 Serviced – crosshair dome dial – $1450 all-in

Omega - 168.005 · $1,450
This is a 1966 Omega Constellation ref. 168.005, featuring an original silver crosshair domed dial and Cal. 561 automatic chronometer movement.

  • Condition: Pre-owned with minor signs of aging
  • Case Size: 34.5mm diameter
  • Crystal Type: Plexiglass
  • Crown Period Correct: No
Posted at
Apr 20, 2026, 9:28 AM
Active
[WTS] *Rare* Vintage 1960s 168.005 Rose Gold Date Omega Constellation with Vertical Brushed dial- Serviced

*Rare* Vintage 1960s 168.005 Rose Gold Date Omega Constellation with Vertical Brushed dial- Serviced

Omega - 168.005 · $1,200
This vintage Omega Constellation Date features a vertical brushed dial and the Omega 561 Caliber movement, which has been serviced.

  • Condition: good condition
  • Movement caliber: Omega 561
  • Dial finish: vertical brushed
  • Case dimensions: [object Object]
Posted at
Apr 19, 2026, 6:20 PM
Active
[WTS] Vintage 1960s 168.005 Date Yellow Gold Omega Constellation- Serviced $950

Vintage 1960s 168.005 Date Yellow Gold Omega Constellation- Serviced $950

Omega - 168.005 · $950
  • Condition: Good, some minor cosmetic damage
  • Movement caliber: Omega 565
  • Dial condition: Very good for its age
  • Case dimensions: [object Object]
Posted at
Apr 19, 2026, 6:15 PM
Active