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

Reference 123.55.31.20.55.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / MOP Supernova is a masterpiece of luxury watchmaking, blending exceptional engineering with mesmerizing design. This stunning timepiece features a luxurious blend of materials and state-of-the-art movement, encapsulating the essence of Omega's commitment to quality. The self-winding caliber 8521 boasts a Co-Axial escapement for superior precision and stability, while its compact round shape and adjustable strap ensure comfort and versatility. With a water resistance of 100 meters, this watch is designed to withstand various activities while maintaining its luxurious appearance. Its exquisite craftsmanship, combined with Omega's heritage of precision, makes it an outstanding choice for anyone seeking a premium timepiece. The stunning white mother-of-pearl dial is complemented by gem-set indexes that catch the light beautifully, exuding sophistication and elegance. Whether you're a seasoned collector or looking to make a statement, this watch caters to a variety of tastes with its timeless design and luxurious appeal.

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Key Features

Oscillating Mass: 18 Ct red gold
Silicon Balance-Spring for improved performance
Geneva Waves in Arabesque fine finishing
Gem-Set Bezel with diamonds for elegance
Sapphire Glass for scratch resistance
Open Case Back showcasing the movement
Co-Axial escapement for superior precision

Specifications

Brand

Omega

Family

Constellation

Model

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

Reference

123.55.31.20.55.001

Movement

8521

Movement Features

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

Case

Red Gold 31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

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Condition: some wear, overall great condition, sharp lugs
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Posted at

Apr 8, 2026, 11:55 AM

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Shipped: true

Posted at

Apr 8, 2026, 7:29 AM

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Condition: Excellent for its age
Calibre: Cal. 561 movement
Year: 1964
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Posted at

Apr 7, 2026, 3:26 PM

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Posted at

Apr 7, 2026, 1:54 PM

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Condition: Great serviced condition
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Jewels: 24

Posted at

Apr 6, 2026, 11:13 PM

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Condition: Pre-owned, unpolished with age-related wear
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Bracelet Length Stainless: up to approximately 7.5 inches
Bracelet Length Two Tone: just over 7 inches

Posted at

Apr 6, 2026, 9:48 PM

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Posted at

Apr 5, 2026, 8:40 PM

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Strap material: red leather

Posted at

Apr 5, 2026, 3:52 PM

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