Omega Constellation Constellation Co-Axial 31 Red Gold / MOP

Reference 123.50.31.20.05.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / MOP (Model: 123.50.31.20.05.001) is a statement piece that balances elegance and functionality. Crafted from 18 Ct red gold, it features an exquisite Mother of Pearl dial with a unique, iridescent quality. The watch boasts a self-winding Omega Caliber 8521 movement with Co-Axial escapement, ensuring precision, stability, and durability. With a water resistance of up to 100 meters and a sapphire crystal glass, this timepiece is designed to keep up with your lifestyle. Its versatility makes it suitable for any occasion, whether formal or casual. The Omega Constellation Co-Axial 31 Red Gold / MOP is more than just a watch; it's a piece of art, a conversation starter, and a reliable companion.

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Key Features

18 Ct red gold case
Mother of Pearl dial with iridescent quality
Self-winding Omega Caliber 8521 movement
Co-Axial escapement for precision and durability
Water resistance up to 100 meters
Sapphire crystal glass for scratch-resistant properties
Versatile design suitable for formal or casual occasions

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Red Gold / MOP

Reference

123.50.31.20.05.001

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

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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1973 Omega Constellation Megaquartz Ref. 196.0015 Cal. 1310 - First Omega In-House Quartz Movement | $1150

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Aug 26, 2025, 3:33 PM

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Omega Constellation Pie Pan 168.005 $1300 OBO

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Aug 25, 2025, 8:38 PM

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Omega Constellation. Steel + 18K Gold.

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Aug 25, 2025, 8:21 PM

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1963 Omega Constellation (Ref. 167.005)

Posted at

Aug 25, 2025, 7:46 PM

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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

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