Omega Constellation Constellation Co-Axial 35 Red Gold / Diamond / Brown

Reference 123.55.35.20.63.001

About this watch

The Omega Constellation Co-Axial 35 Red Gold / Diamond / Brown is a masterpiece of luxury watchmaking that combines elegance, precision, and craftsmanship. This stunning timepiece boasts a red gold case with diamond embellishments, creating a visual harmony that's hard to ignore. The brown dial provides a warm backdrop for the Dauphine hands and gem-set indexes, while the date function sits discreetly, ensuring functionality doesn't compromise style. At its heart beats the Omega caliber 2500, an automatic movement featuring a co-axial escapement that reduces friction and enhances accuracy. With a 48-hour power reserve and water resistance of 100 meters, this watch is perfect for everyday wear. Its classic design ensures it pairs well with anything in your wardrobe, transitioning seamlessly from day to night. The adjustable bracelet provides a comfortable fit, making it feel like an extension of your wrist.
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Key Features

  • Red gold case with diamond embellishments
  • Omega caliber 2500 automatic movement with co-axial escapement
  • 48-hour power reserve and 100m water resistance
  • Brown dial with Dauphine hands and gem-set indexes
  • Adjustable bracelet for comfortable fit

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 35 Red Gold / Diamond / Brown
Reference
123.55.35.20.63.001
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Red Gold 35mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

1962 Omega Constellation ref. 14777 Chronometer Cal. 531 w/ crosshair dial and BOR braclet - 'Jumbo' 37mm case - $1250 shipped

Omega - 14777 · $950
This 1962 Omega Constellation ref. 14777 features a 37mm stainless-steel case, chronometer-rated cal. 561 movement, and an original champagne dial with crosshair design.

  • Condition: Shows signs of wear and past polish, but still presents well on wrist
  • Case Size: 37mm
  • Diameter Excluding Crown: true
  • Lug Shape: decent
Posted at
Mar 18, 2026, 9:06 AM
Active
[WTS] 2025 Omega Constellation 41mm Steel Meteorite Dial 131.30.41.21.99.001 Full Set

2025 Omega Constellation 41mm Steel Meteorite Dial 131.30.41.21.99.001 Full Set

This Omega Constellation features a 41mm stainless steel case, black ceramic bezel with liquid metal Roman numerals, meteorite dial with black PVD hands & markers, and a stainless steel bracelet. The watch is from 2025 and comes in full set condition.

  • Condition: Nice preowned condition with some light scratches on the case and bracelet.
  • Case material: stainless steel
  • Bezel material: black ceramic
  • Dial description: meteorite dial
Posted at
Mar 17, 2026, 6:55 PM
Active
[WTS] Omega Constellation Chronometer Quartz with Original Bracelet for sale $599 - Shipped

Omega Constellation Chronometer Quartz with Original Bracelet for sale $599 - Shipped

a quartz-powered Omega Constellation with a stainless steel case and original bracelet for sale

  • Bracelet size limit: up to 6.7 inches
  • Case diameter: 25.6mm
Posted at
Mar 17, 2026, 5:03 PM
Active
[WTS] Dry or Sweet Manhattan? 2 Omega Constellation Manhattan Day-Dates - The Wallet Friendly Integrated Bracelet Choice!

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The Omega Constellation Manhattan Day-Date is a fantastic choice for those looking for an integrated bracelet watch. Designed by Carol Didisheim in 1982, this model features a crisp white dial and gold dot markers. The case measures 33MM and has an oversized bezel.

  • Condition: Pre-owned, unpolished with patina
  • Case size: 33MM
  • Bezel size: oversized
  • Bracelet length: stainless: up to 7.5 inches, two tone: just over 7 inches
Posted at
Mar 16, 2026, 9:30 PM
Active
[WTS] PRICE REDUCED! 1966 OMEGA CONSTELLATION

PRICE REDUCED! 1966 OMEGA CONSTELLATION

Omega - 168.005 · $2,500
A modern vintage grail, a 1966 Omega Constellation featuring 'dog leg' lugs and a cross hair dial in original condition. The silver dial remains in superb condition.

  • Condition: UNPOLISHED/UNTOUCHED with minor scratches on the case and caseback
  • Case Diameter: 34mm
  • Case Length: 42.7mm
  • Movement Type: Automatic wind
Posted at
Mar 16, 2026, 6:05 PM
Active
[WTS] 60s Omega Constellation Pie Gold Cap Pan Ref. 168.005 | Dog-leg Lugs | All Original | $2450 (SERVICED)

60s Omega Constellation Pie Gold Cap Pan Ref. 168.005 | Dog-leg Lugs | All Original | $2450 (SERVICED)

Omega - 168.005 · $2,450
This vintage Omega Constellation has a design icon 'Pie Pan' dial with faceted edges and bold applied markers, along with twisted dog-leg lugs and chronometer-rated movement.

  • Condition: Serviced, good condition with some light spotting on the dial
  • Movement Rating: Chronometer-rated
  • Case Condition: Very good condition
  • Diameter: 34mm (diameter)
Posted at
Mar 16, 2026, 9:33 AM
Active
[WTS] Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega - 168.005 · $2,450
The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case and a silver sunburst dial with applied hour markers.

  • Condition: great condition
  • Case size: 34mm diameter
  • Dial color: silver sunburst
  • Movement type: chronometer-certified automatic
Posted at
Mar 15, 2026, 1:07 AM
Active
[WTS] Omega Constellation Day-Date Quartz • c.1980 Movement Rebuilt

Omega Constellation Day-Date Quartz • c.1980 Movement Rebuilt

A classic Omega Constellation from the 1980s with a day-date display and slim quartz profile, featuring a recent quartz movement overhaul.

  • Condition: Set watch only, case in good vintage condition with wear
  • Movement Status: quartz movement recently overhauled and running properly
  • Case Condition: good vintage condition with wear
Posted at
Mar 14, 2026, 12:40 PM
Active
[WTS] 1962 Omega 18k Solid Gold Constellation 167005 /6 - Cal 551 - Pie Pan - Dog Legs

1962 Omega 18k Solid Gold Constellation 167005 /6 - Cal 551 - Pie Pan - Dog Legs

Omega - 167005/6 · $4,750
This exceptional Omega Constellation features a classic 34mm solid gold case with a stunning gold pie-pan dial and an original calibre 551 movement. The watch has been freshly serviced by our watchmaker and is running reliably.

  • Condition: unpolished, sharp condition retaining factory bevels
  • Case size: 34mm diameter
  • Case material: 18k solid yellow gold
  • Dial condition: original, stunning condition
Posted at
Mar 13, 2026, 7:03 PM
Active