Omega Constellation Constellation Co-Axial 31 Yellow Gold / Champagne

Reference 123.50.31.20.08.001

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / Champagne is a luxurious timepiece that combines elegance, precision, and history. Its stunning aesthetics and high-performance mechanics make it a statement piece. The watch features a yellow gold casing, champagne-colored dial, and Dauphine hands, protected by scratch-resistant sapphire glass. At its core lies the Omega caliber 8521, a marvel of modern engineering with a Co-Axial escapement design that enhances precision and stability. This self-winding movement is equipped with a free-sprung balance system and silicon balance-spring, ensuring durability and reliability. With a power reserve of 50 hours and chronometer certification, this watch meets stringent precision standards, keeping time accurately. Its water resistance rating of 100 meters makes it suitable for daily wear, from casual outings to formal events. This Omega model stands out in the luxury segment with its unique Co-Axial escapement and timeless design.

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Key Features

Yellow gold casing
Champagne-colored dial
Dauphine hands
Scratch-resistant sapphire glass
Omega caliber 8521 movement
Co-Axial escapement design
Free-sprung balance system
Silicon balance-spring

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Yellow Gold / Champagne

Reference

123.50.31.20.08.001

Movement

8521

Movement Features

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

Case

Yellow Gold 31mm

Crystal

Sapphire

Water Resistance

100

Current Listings

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Omega - 131.33.41.21.01.001 · $4,900

For sale is a 2019 Omega Constellation Co-Axial Master Chronometer 41mm, featuring a stainless steel case, black ceramic bezel with Roman numerals, and a black dial, powered by Omega’s Caliber 8900 automatic movement. The watch comes on the original black leather strap with stainless steel fold-over clasp.

Condition: Excellent
Case size: 41mm
Material: stainless steel
Bezel material: black ceramic

Posted at

Oct 24, 2025, 9:15 PM

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The Omega Constellation Globemaster Master Chronometer Annual Calendar is a sophisticated timepiece that exemplifies precision and elegance. Its 41mm Sedna™ gold case frames a sun-brushed blue dial with a distinctive pie-pan design and month indicators along the perimeter, offering both style and functionality.

Condition: Like new
Case size: 41mm diameter
Thickness: 14.7mm
Lug to lug: 50.1mm

Posted at

Oct 22, 2025, 9:39 AM

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Diameter: 37mm

Posted at

Oct 22, 2025, 12:22 AM

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1973 Omega Constellation ref. 168.0056 – Gold-Capped Case w/ Solid Gold Bezel & Medallion – Cal. 1011 Chronometer – Serviced July 2025 – $950 ALL-IN

Omega - 168.0056 · $950

a 1973 Omega Constellation ref. 168.0056 with a gold-capped case, solid gold bezel, and medallion, featuring Cal. 1011 chronometer movement.

Case material: gold
Bezel material: solid gold
Movement: Cal. 1011 Chronometer

Posted at

Oct 21, 2025, 10:22 PM

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Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1950

The Omega Constellation Ref. 14381-11 SC is a fine example from one of Omega’s most respected design periods, produced around 1959 to 1961.

Posted at

Oct 20, 2025, 10:18 PM

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Omega Constellation. Globemaster. 39mm. ++ Cards and Links. 🔥

Omega - 130.30.39.21.03.001 · $4,350

This listing is for an Omega Constellation Globemaster in a 39mm case, with additional photos and links to purchase available.

Shipping: Fedex with insurance
Shipping Location: NJ USA
International Shipping: yes

Posted at

Oct 17, 2025, 5:20 PM

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Omega Constellation 168.046

Omega - 168.046 · $850

A vintage automatic chronometer, powered by the Omega Caliber 1001 and featuring the iconic Constellation Observatory medallion on the caseback.

Condition: Great used condition, shows light scratches consistent with its age
Case Size: 36mm

Posted at

Oct 16, 2025, 9:27 AM

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Omega Constellation 168.0054

Omega - 168.0054 · $850

A vintage automatic chronometer from the early 1970s with a Day/Date Caliber 1021 and Geneva Observatory medallion on the caseback.

Condition: Great used condition with light scratches
Case shape: C-Shape design
Material: stainless steel

Posted at

Oct 16, 2025, 9:25 AM

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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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