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

[WW] Omega Omega Constellation Ladies 24mm MOP

Omega - 6563-875 · $700

The Omega Constellation Ladies watch features a stainless steel case with a mother-of-pearl dial. It has a quartz movement for accurate timekeeping and comes with its original box and papers.

Condition: Good - shows signs of wear (scratches on bracelet and bezel, also there are dents on the back case)
Case Material: Stainless Steel
Movement: Quartz
Bracelet Length: 180mm (approx.)

Posted at

Jan 6, 2026, 3:13 PM

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Omega Constellation 18k gold price: 1350 euro

Omega - Constellation · $1,350

Posted at

Jan 6, 2026, 10:34 AM

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Omega Constellation 168.017 (1966)

Omega - 168.017 · $900

This Omega Constellation is a beautiful example from 1966 with an original dial and hands.

Condition: Good condition overall
Movement: Cal. 561
Bracelet: Genuine Omega 518 brick

Posted at

Jan 6, 2026, 10:25 AM

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OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA - 123.20.35.20.06.001 · $3,250

The OMEGA Constellation Ref. 123.20.35.20.06.001 features a distinctive stainless steel and yellow gold case with Roman numeral-engraved bezel, a captivating grey dial with date window at 3 o'clock, and an integrated yellow gold and stainless steel bracelet.

Condition: VERY GOOD with some light scratches on the bracelet
Case material: yellow gold and stainless steel
Bracelet size: ~7"
Bracelet condition: pre-sized

Posted at

Jan 3, 2026, 5:15 AM

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Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $5,575

A rare and highly desirable 1960s Omega Constellation Ref. 14393 in 18K rose gold, featuring a silver pie-pan dial and 34mm case size.

Case size: 34mm
Year of production: 1960s
Case material: 18K rose gold

Posted at

Jan 1, 2026, 7:47 PM

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Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775

The Omega Constellation C Shape features a stainless steel 35mm case, off white dial, and automatic calibre 564 movement.

Condition: great, no major dents or scratches
Case Size: 35mm diameter
Movement: calibre 564 automatic

Posted at

Dec 30, 2025, 9:33 AM

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Omega Constellation 2-Tone Automatic 🇨🇭

Omega - Constellation Automatic · $1,000

A beautiful Omega Constellation Automatic with a 2-tone stainless steel and gold watch, featuring a matching gold dial. The watch has been timegrapher checked and is running around -17spd.

Condition: Great condition with minor signs of wear
Bracelet size: 7-8 inches
Case dimensions: 35mm diameter, 38mm lug to lug, 23mm lug width, 7mm thickness
Movement accuracy: -17 spd

Posted at

Dec 28, 2025, 9:35 PM

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Omega Globemaster Constellation 130.33.39.21.02.001

Omega - 130.33.39.21.02.001 · $4,250

Up for sale is an Omega Globemaster Constellation in great condition, featuring a stainless steel case and automatic Co-Axial Master Chronometer movement.

Condition: Great condition overall, light wear on stainless steel case
Case size: 39mm diameter
Movement type: automatic Co-Axial Master Chronometer

Posted at

Dec 27, 2025, 11:28 PM

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