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

1968 Omega Constellation ref. 157.0001 Cal. 712 – Blue textured dial, original mesh bracelet, boxes – $13500 shipped

Omega - 157.0001 · $13,500

A 1968 Omega Constellation with a blue textured dial and original mesh bracelet, including its boxes.

Year: 1968

Posted at

Oct 30, 2025, 9:13 PM

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[WTS] 1963 Vintage Omega Constellation Ref. 167.005 | No Date | All Original | Freshly Serviced Chronometer Cal 561 | Sharp Unpolished Dog Leg Lugs | Great Vintage Condition | $1830

1963 Vintage Omega Constellation Ref. 167.005 | No Date | All Original | Freshly Serviced Chronometer Cal 561 | Sharp Unpolished Dog Leg Lugs | Great Vintage Condition | $1830

Posted at

Oct 30, 2025, 8:29 AM

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Omega Constellation Pie Pan Demi Gold Ref. 168.005 | Excellent Original Condition (with original straps and buckle, Omega red box & Serviced) | $2950

Posted at

Oct 27, 2025, 11:34 PM

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Omega Constellation 168.054

Posted at

Oct 27, 2025, 12:37 PM

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Omega Constellation 168.046

Posted at

Oct 27, 2025, 12:31 PM

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1961 Omega Constellation (Original Box / Papers

Omega - 14393 · $1,200

This is a 1961 Omega Constellation reference 14393 with a white dome dial and original outer cardboard box. The watch has a 34mm stainless and 14k gold capped case and is powered by an automatic cal 561 movement.

Condition: Very good, with minor wear
Case Size: 34mm
Movement: Omega automatic cal 561

Posted at

Oct 26, 2025, 11:05 PM

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