Omega Constellation Constellation Co-Axial 38 Red Gold / Diamond / Diamond

Reference 123.55.38.20.99.004

About this watch

The Omega Constellation Co-Axial 38 is a masterpiece of horology that combines stunning red gold and diamond accents with exceptional precision. This luxury watch features the Omega caliber 8401 movement, boasting a power reserve of 60 hours and resistance to magnetic fields greater than 15,000 gauss. The 38.00 mm case is perfectly sized for everyday wear, while the sapphire glass adds an extra layer of protection against scratches. With its beautifully designed red gold bracelet and secure clasp, this watch is designed for comfort and style. Whether you're looking for a statement piece or a reliable timekeeper, the Omega Constellation Co-Axial 38 has it all. Its luxurious materials, advanced movement, and stunning design make it a true icon in the world of watches.
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Key Features

  • Omega caliber 8401 self-winding movement
  • Co-Axial escapement for reduced friction and increased stability
  • 60-hour power reserve for reliable timekeeping
  • Resistance to magnetic fields greater than 15,000 gauss
  • 100-meter water resistance for everyday wear
  • Sapphire glass for scratch protection
  • Red gold case and bracelet for luxurious feel

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 38 Red Gold / Diamond / Diamond
Reference
123.55.38.20.99.004
Movement
8401
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 38mm
Dial Color
Paved
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Pie Pan

Omega Constellation Pie Pan

Additional Details: Excellent condition, recently serviced Omega Constellation Pie Pan.

  • Condition: Excellent
  • Servicing status: recently serviced
Posted at
Jan 26, 2026, 5:43 PM
Active
[WTS] Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs - Ref. 168.005 - Caliber 561 Automatic Date - From 1968 - $2200

Omega - 168.005 · $2,200
The Omega Constellation 'Pie Pan' features a robust caliber 561 automatic movement with date, sunburst dial, and signature dog-legged lugs. It has a great construction and feel to the well-defined case design, making it an excellent dressy statement piece.

  • Condition: Excellent, minor patina on logo and date window
  • Case size: 35mm (excluding crown)
  • Diameter: 40mm
  • Movement: Caliber 561 automatic date
Posted at
Jan 26, 2026, 1:13 PM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
This Omega Constellation C Shape from 1969 features a stainless steel case with a 35mm diameter and an off-white dial.

  • Condition: Great (minor hairline scratches on case, little signs of aging on dial)
  • Case Size: 35mm
  • Movement: Automatic calibre 564
  • Crystal: Signed Omega crystal
Posted at
Jan 26, 2026, 8:08 AM
Active
[WTS] 1966 Omega Constellation “Hidden Crown” ref. 168.004 (Cal. 561) – serviced Jun 2025 – $675 shipped

1966 Omega Constellation “Hidden Crown” ref. 168.004 (Cal. 561) – serviced Jun 2025 – $675 shipped

Omega - 168.004 · $675
A 1966 Omega Constellation ref. 168.004 with the sleek hidden crown case design, powered by the correct Omega Cal. 561 chronometer movement. The dial is original but shows signs of a past cleaning attempt. The watch has been serviced in June 2025.

  • Condition: Dial: original but shows signs of a past cleaning attempt; Case: original case, likely unpolished with honest scratches from normal wear. Movement serviced June 2025.
  • Case size without crown: 35mm
  • Movement caliber: Omega Cal. 561
  • Crystal type: new aftermarket replacement
Posted at
Jan 26, 2026, 7:57 AM
Active
[WTS] Omega Constellation 33mm 18kYG 166052/168033 MINT

Omega Constellation 33mm 18kYG 166052/168033 MINT

Omega - 166052/168033 · $4,200
A mint Omega Constellation in 18k yellow gold, featuring a 33mm case size and a unique combination of reference numbers 166052 and 168033.

  • Condition: MINT
  • Case size: 33mm
  • Lug-to-lug: 39mm
  • Lug width: 19mm
Posted at
Jan 25, 2026, 1:44 PM
Active
[WTS] Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced), Ref. 2853 SC

Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced), Ref. 2853 SC

a 2 - 3 sentence summary of the Omega Constellation 35mm 18K YG Champagne Arrowhead Pie-Pan Dial (Serviced)

  • Condition: Serviced
  • Material: 18K Yellow Gold
  • Dial color: Champagne Arrowhead Pie-Pan Dial
Posted at
Jan 23, 2026, 9:55 PM
Active
[WTS] Omega Constellation Mini Two-Tone - 18K - MOP Dial - Ref. 795.1203 - Circa 1998

Omega Constellation Mini Two-Tone - 18K - MOP Dial - Ref. 795.1203 - Circa 1998

Omega - 795.1203 · $795
This is a classic 90s icon—the 'Cindy Crawford era' Constellation, featuring the signature 'griffes' on the 18k gold bezel and a lovely Mother of Pearl dial.

  • Condition: Great vintage condition, typical wear
  • Case size: 22.5mm
  • Bracelet material: Two-tone (steel and 18K)
  • Bezel material: 18k gold
Posted at
Jan 23, 2026, 12:51 AM
Active
[WTS] 1968 Omega Constellation C-Case Chronometer Cal. 564 w Box & Paper – Serviced Jan 2026 – $1450 shipped

1968 Omega Constellation C-Case Chronometer Cal. 564 w Box & Paper – Serviced Jan 2026 – $1450 shipped

Omega - Cal. 564 · $1,450
A 1968 Omega Constellation C-Case Chronometer Cal. 564 is for sale, including its original box and papers. It has been serviced in January 2026.

Posted at
Jan 22, 2026, 9:29 PM
Active
[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
A 1962 Omega Constellation ref. 14777, also known as the 'jumbo' Connie, features a stainless-steel 37mm case and chronometer-rated cal. 561 movement. The watch has a classic look but wears noticeably larger on the wrist.

  • Condition: Pre-owned with signs of wear and past polish
  • Case size: 37mm diameter
  • Bracelet length: 7.75" or below
  • Movement: Cal. 561 automatic chronometer
Posted at
Jan 22, 2026, 4:53 PM
Active