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

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

Posted at

Jan 27, 2026, 8:52 AM

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Condition: Excellent
Servicing status: recently serviced

Posted at

Jan 26, 2026, 5:43 PM

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Condition: Excellent, minor patina on logo and date window
Case size: 35mm (excluding crown)
Diameter: 40mm
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Posted at

Jan 26, 2026, 1:13 PM

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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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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.
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Movement caliber: Omega Cal. 561
Crystal type: new aftermarket replacement

Posted at

Jan 26, 2026, 7:57 AM

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Condition: MINT
Case size: 33mm
Lug-to-lug: 39mm
Lug width: 19mm

Posted at

Jan 25, 2026, 1:44 PM

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

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Posted at

Jan 23, 2026, 9:55 PM

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Condition: Great vintage condition, typical wear
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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

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Posted at

Jan 22, 2026, 9:29 PM

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