Omega Constellation Constellation Co-Axial 31 Yellow Gold / MOP

Reference 123.50.31.20.05.002

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / MOP is a stunning watch that embodies luxury, with its 31mm round case and exquisite mother-of-pearl dial. The self-winding movement features a Co-Axial escapement, known for enhancing precision, stability, and durability. The watch has a generous power reserve of 50 hours and is water-resistant up to 100 meters, making it suitable for swimming and shallow diving. The sapphire crystal glass is scratch-resistant, ensuring the watch maintains its pristine appearance even with daily wear. The open case back showcases the intricate workings of the movement, adding a luxurious finish. Comfortable to wear due to its well-designed bracelet, this watch adapts effortlessly to any setting, from formal events to casual days out.

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MSRP: $24,100

Market Price: $10,224

Key Features

31mm round yellow gold case
Exquisite mother-of-pearl dial with stick and dot indexes
Dauphine hands for a touch of sophistication
Sapphire crystal glass for scratch-resistance
Water-resistant up to 100 meters
50-hour power reserve self-winding movement
Co-Axial escapement for enhanced precision and durability

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Yellow Gold / MOP

Reference

123.50.31.20.05.002

Movement

8521

Movement Features

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

Case

Yellow Gold 31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation Chronometer Automatic 1966

Omega - 168.004 · $1,199

A 1966 Omega Constellation Chronometer Automatic with a 35mm case, featuring an onyx baton indices dial and a Swiss-made automatic movement.

Condition: Pre-owned, unpolished with signs of careful use
Case size: 35mm
Diameter: 35mm

Posted at

Jul 2, 2025, 5:36 PM

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Omega Constellation Day Date 53872640 $1100

Omega - Constellation Day Date 53872640 · $1,100

Price: $1100

Posted at

Jul 2, 2025, 5:05 PM

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Omega Constellation 2 tone, 34mm, $799!

Omega - Constellation · $799

This Omega Constellation is a two-tone, 34mm watch from the 1990s with an 18k gold case and quartz movement. The dial is extremely clean and has minor scratches on the bezel.

Condition: very good
Case material: 18k gold
Movement type: quartz
Case size: 34mm

Posted at

Jul 1, 2025, 10:02 PM

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omega constellation ref 14381-2sc 14k gold on Bonklip 9k gold bracelet

Omega - 14381-2sc · $3,100.003

This is a 1959 Omega 14k solid gold wristwatch with caliber 551 and serial number 17.xxxxxx. It has been serviced and runs perfectly.

Condition: Like new, serviced in July 2019
Bracelet material: 9k gold
Bracelet weight: 30.3g
Caliber: 551

Posted at

Jun 30, 2025, 7:59 PM

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View listing on WatchUseek

1969 Omega Constellation Day-Date ref. 168.016 w/ Cal. 751 – Serviced – $575 shipped

Omega - 168.016 · $575

A classic 1969 Omega Constellation Day-Date ref. 168.016 powered by the chronometer-rated Cal. 751 movement, featuring a stainless steel case and an original signed crown.

Movement: Omega Caliber 751 automatic chronometer
Crystal: replacement plexiglass
Crown: correct original signed crown

Posted at

Jun 30, 2025, 11:55 AM

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