Omega Constellation Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

Reference 123.55.31.20.63.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova is a stunning work of art that embodies sophistication and craftsmanship. Its combination of red gold, diamonds, and a brown supernova dial creates a visual feast that commands attention. The rich brown color radiates warmth, while the gem-set indexes sparkle brilliantly, catching light with every movement. The Dauphine hands glide effortlessly across the face, ensuring readability without sacrificing style. Crafted from luxurious red gold, the case measures a comfortable 31 mm, making it ideal for both formal and casual occasions. The gem-set bezel adds an extra layer of elegance, transforming the watch into a statement piece that enhances any outfit. At the heart of this timepiece is the Omega caliber 8521, featuring the Co-Axial escapement for enhanced precision, stability, and durability. With a water resistance of up to 100 meters, this watch can withstand daily life's rigors and occasional splashes of water. Its versatility makes it suitable for any occasion, from formal galas to casual weekend outings.

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Key Features

Omega caliber 8521 movement with Co-Axial escapement
Red gold case with gem-set bezel
Brown supernova dial with Dauphine hands
Water resistance up to 100 meters
Automatic winding with free sprung-balance system
Swiss craftsmanship with oscillating mass and balance bridge in 18 Ct red gold
50-hour power reserve and 25,200 vibrations per hour

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

Reference

123.55.31.20.63.001

Movement

8521

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Red Gold 31mm

Dial Color

Brown

Crystal

Sapphire

Water Resistance

100

Current Listings

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Condition: Good (9/10)
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Bracelet: Original

Posted at

Feb 26, 2026, 9:23 AM

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Lug-to-lug length: 38.6mm

Posted at

Feb 25, 2026, 2:41 PM

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Condition: Good Condition (Serviced)
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Power reserve: 50 hours

Posted at

Feb 24, 2026, 10:46 PM

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Condition: UNPOLISHED/UNTOUCHED with minor scratches on case and caseback
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Case length: 42.7mm (lug tip to lug tip)
Movement serial #: 24501601

Posted at

Feb 24, 2026, 7:13 PM

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Condition: great working condition
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Posted at

Feb 24, 2026, 12:48 PM

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