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

Reference 123.55.38.20.99.004

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

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

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This Omega Constellation ref. 168.005 features a unique tropical dial with crosshair layout, well-matched hands and hour markers, and dog-leg lugs.

Condition: Great vintage condition
Movement Type: Automatic
Caliber: 561
Chronometer Certified: Yes

Posted at

Jan 27, 2026, 8:52 AM

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Omega Constellation Pie Pan

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

Condition: Excellent
Servicing status: recently serviced

Posted at

Jan 26, 2026, 5:43 PM

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

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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

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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

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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

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Omega Constellation 33mm 18kYG 166052/168033 MINT

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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

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

Omega - 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

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

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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

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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

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