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

Omega Constellation Globemaster – Complete Set – Ref 130.30.39.21.02.001 (Pie Pan Dial)

Omega - 130.30.39.21.02.001 · $5,500

Diameter: 39mm

Posted at

Aug 29, 2025, 4:20 PM

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2024 Omega Constellation Ref# 131.33.41.21.04.001 - Full Set box and papers

Omega - 131.33.41.21.04.001 · $4,298

The Omega Constellation is a flagship watch characterized by its half-moons and 'claws' on the side of the case, making it perfect for daily wear due to its class and durability. It features a 41mm blue ceramic bezel with blued hands, OMEGA logo, Constellation star, and indexes.

Condition: Very good condition with light signs of wear on the case
Case size: 41mm
Bezel material: blue ceramic

Posted at

Aug 29, 2025, 1:01 PM

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Omega Constellation Day Date - Watch Only - $750 Free 🚢

Omega - Constellation Day Date · $750

This is a 1980s Omega Constellation Day Date watch, featuring a black steel case with a quartz movement.

Year: 1980s
Dial material: steel
Size: 33mm diameter

Posted at

Aug 29, 2025, 11:29 AM

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Omega Constellation 167.005

Omega - 167.005 · $920

The Omega Constellation is a 36mm watch with a 551 movement. It has an aftermarket bracelet that fits a 6.5in wrist.

Condition: pre-owned with light scratches and wear marks
Case size: 36mm
Movement: 551
Bracelet type: aftermarket

Posted at

Aug 28, 2025, 11:25 AM

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Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650

The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
Bracelet type: 3-row with slightly curved central links

Posted at

Mar 31, 2025, 10:32 AM

Active

View listing on RolexForums