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 123.10.35.20.01.001 - $1699 - DHL

Omega - 123.10.35.20.01.001 · $1,699

A pre-owned Omega Constellation with automatic movement and a 35mm case, serviced in 2026.

Condition: Good (9/10)
Movement: Automatic 2500
Case dimensions: 35mm diameter
Bracelet: Original

Posted at

Feb 26, 2026, 9:23 AM

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Omega Quartz Constellation 18k Gold Plated Coin Case for sale $399 - Shipped

Omega - Quartz Constellation · $399

For sale is an Omega Quartz Constellation in a 18k gold plated case, with an aftermarket Hirsch leather strap.

Condition: New
Case material: 18k gold plated
Case diameter: 36.8mm (including crown)
Lug-to-lug length: 38.6mm

Posted at

Feb 25, 2026, 2:41 PM

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Omega Constellation Ref. 168.005 “Türler” | Good Condition (Serviced) | $1800

Omega - 168.005 · $1,860

The Omega Constellation Ref. 168.005 “Türler” is a vintage watch from the early to mid-1960s with a stainless-steel case and flat silver dial. It features applied markers, dauphine hands, and a framed date window, making it a unique example of Omega's collaboration with the historic Swiss jeweller Türler.

Condition: Good Condition (Serviced)
Case size: 34.5mm
Movement: Caliber 561 (24-jewel chronometer-rated)
Power reserve: 50 hours

Posted at

Feb 24, 2026, 10:46 PM

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1966 OMEGA CONSTELLATION WATCH

Omega - 168.005 · $3,000

A modern vintage grail, 1966 Omega Constellation in UNPOLISHED/UNTOUCHED condition featuring the "dog leg" lugs and a cross-hair dial.

Condition: UNPOLISHED/UNTOUCHED with minor scratches on case and caseback
Case diameter: 34mm
Case length: 42.7mm (lug tip to lug tip)
Movement serial #: 24501601

Posted at

Feb 24, 2026, 7:13 PM

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Omega Constellation Globemaster - $4600 shipped

Omega - Constellation Globemaster · $4,600

This Omega Constellation Globemaster is the first watch to be METAS certified and features a 39mm case size. It comes with additional straps, including a Hirsch leather strap.

Condition: great working condition
Length: 7 inches

Posted at

Feb 24, 2026, 12:48 PM

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