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

Reference 123.55.35.20.52.001

About this watch

The Omega Constellation Co-Axial 35 Red Gold / Diamond / Silver is a masterclass in luxury watch design, boasting a round case made from exquisite red gold with a diameter of 35.00 mm. The gem-set bezel adds an extra layer of sophistication, while the silver dial is both classic and modern, creating a versatile look that can be dressed up or down. Powered by the Omega caliber 2500, this automatic movement is renowned for its accuracy and reliability, featuring a frequency of 25,200 vibrations per hour and a power reserve of 48 hours. The co-axial escapement reduces friction between the movement parts, ensuring dependability and low maintenance. With a water resistance of 100 meters and sapphire glass covering the dial, this watch is ready for whatever life throws at you. Whether you're caught in a sudden rain shower or taking a dip in the pool, this watch can handle it. It's the perfect companion for active individuals who still appreciate the finer things in life.
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Key Features

  • Omega caliber 2500 automatic movement
  • Red gold case with gem-set bezel
  • Silver dial with diamond-set indexes
  • Co-axial escapement for low maintenance
  • Water resistance of 100 meters
  • Sapphire glass covering the dial
  • 35.00 mm diameter

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 35 Red Gold / Diamond / Silver
Reference
123.55.35.20.52.001
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Red Gold 35mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Wallet Friendly Integrated Day Dates! Omega Constellation Manhattan Stainless & Two Tone

Wallet Friendly Integrated Day Dates! Omega Constellation Manhattan Stainless & Two Tone

A pair of Omega Constellation Manhattan Day-Date watches in stainless steel and two-tone variants. Both feature crisp white dials, luminescent hands, and gold dot markers. The cases are 33MM with oversized bezels and integrated bracelets, giving a larger wear than expected.

  • Condition: Pre-owned, unpolished with some age-related wear and patina forming
  • Case Diameter: 33mm
  • Bracelet Length: [object Object]
  • Movement Type: Swiss automatic with quickset date
Posted at
Mar 23, 2026, 9:35 PM
Active
[WTS] Omega Constellation Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

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This Omega Constellation Double Eagle Chronograph features a 41mm stainless steel case, black dial, and automatic chronometer-certified movement with Co-Axial escapement. It has a reverse panda look and comes on an original integrated black rubber strap.

  • Condition: Solid, honest condition with superficial wear and light scratches
  • Case size: 41mm stainless steel
  • Diameter: 41mm
  • Bezel: black aluminum Roman numeral
Posted at
Mar 22, 2026, 8:48 PM
Active
[WTS] Omega Constellation Globemaster Annual Calendar Box & Papers

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The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial, applied hour markers, and a clean annual calendar display powered by the in-house Co-Axial Master Chronometer Caliber 8922.

  • Condition: Great pre-owned condition with light signs of careful wear
  • Case size: 41mm
  • Material: stainless steel
  • Bracelet material: stainless steel
Posted at
Mar 22, 2026, 12:30 PM
Active
[WTS] 1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

1963 Omega Constellation Ref. 168.005 | Onyx Markers | Dog Legs Lugs | All Original | only $1400 (SERVICED)

Omega - 168.005 · $1,400
This 1963 Omega Constellation is powered by a chronometer-rated Caliber 561 movement and features an all-original configuration with stainless steel case, date at 3 o'clock, and onyx markers.

  • Condition: some hairlines but case remains sharp; dial has some light spotting
  • Movement: Caliber 561, chronometer-rated automatic
  • Case material: stainless steel
  • Dimensions: [object Object]
Posted at
Mar 22, 2026, 10:57 AM
Active
[WTS] Omega Constellation Ref. 168.003 With “Dog-Leg” Lugs | Good Condition (Serviced) | $2250

Omega Constellation Ref. 168.003 With “Dog-Leg” Lugs | Good Condition (Serviced) | $2250

Omega - 168.003 · $2,250
The Omega Constellation Ref. 168.003 features a beautifully balanced silver dial and highly sought-after dog-leg lug case, measuring 34.5mm in stainless steel with a 40mm lug-to-lug length.

  • Condition: Good, serviced condition
  • Case dimensions: 34.5mm diameter (stainless steel), 40mm lug-to-lug length, 18mm lug width
  • Movement: Omega Caliber 561 (chronometer-certified)
  • Crystal type: Plexiglass crystal (correct to the period)
Posted at
Mar 22, 2026, 12:50 AM
Active
[WTS] Omega Constellation Manhattan 168.0075 18k Bezel Two Tone Watch 35.5mm - $1300 SHIPPED

Omega Constellation Manhattan 168.0075 18k Bezel Two Tone Watch 35.5mm - $1300 SHIPPED

Omega - 168.0075 · $1,300
Up for sale is this stunning Omega Constellation Manhattan Automatic watch, with a gold champagne dial and a classic vintage dress watch design.

  • Condition: Great mechanical condition
  • Case size: 35.5mm diameter
  • Material: Stainless steel and solid 18k yellow gold
  • Movement: Omega Cal 1111
Posted at
Mar 21, 2026, 8:05 PM
Active
[WTS] Omega Constellation Kalekadora Mini Ladies 1535.73, Factory Diamonds, W/ Card

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Omega - 1535.73 · $999
The Omega Constellation Kalekadora Mini is a ladies' watch featuring a pink mother-of-pearl dial and a diamond bezel.

  • Condition: Excellent condition
  • Case size: ~17x23mm
  • Movement: Quartz
  • Dial color: Pink MOP
Posted at
Mar 21, 2026, 12:47 PM
Active
[WTS] Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped & Duties Covered

Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped & Duties Covered

Omega - 168.005 · $2,500
A stunning Omega Constellation 'Pie Pan' with a sunburst dial and caliber 561 automatic movement. The case is sharp and retains its original beveled angles, and the observatory emblem on the case is crisp.

  • Condition: Excellent, unpolished
  • Movement: Caliber 561 Automatic Date
  • Case size: 35mm (excluding crown)
  • Water resistance: Not specified
Posted at
Mar 21, 2026, 11:56 AM
Active