Omega Constellation Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP

Reference 123.20.31.20.55.002

Omega Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP

About this watch

The Omega Constellation Co-Axial 31 is a masterpiece of horology, blending luxury, precision, and history. This stunning timepiece boasts an exquisite design featuring stainless steel and yellow gold, complemented by a captivating Mother of Pearl (MOP) dial that shimmers like the ocean. Underneath lies the renowned Omega caliber 8520 automatic movement, a marvel of engineering with a power reserve of 50 hours and Co-Axial escapement, reducing friction for enhanced longevity and precision. With its water resistance of 100 meters and sapphire glass protection, this watch is perfect for daily wear. The comfortable design and adjustable links ensure a secure fit, while the gem-set indexes add an opulent touch. As a true investment piece, the Omega Constellation Co-Axial 31 combines timeless aesthetics with cutting-edge technology, making it an ideal choice for watch collectors, individuals seeking precision and reliability, and fashion enthusiasts alike.

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Key Features

Omega Caliber 8520 Automatic Movement
Co-Axial Escapement with Reduced Friction
Water Resistance of 100 Meters
Sapphire Glass Protection
Mother of Pearl (MOP) Dial
Stainless Steel and Yellow Gold Construction
Gem-Set Indexes for Opulent Touch

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Stainless Steel / Yellow Gold / MOP

Reference

123.20.31.20.55.002

Movement

8520

Movement Features

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

Case

31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

2024 Omega Constellation Globemaster Master Chronometer Annual Calendar 130.53.41.22.03.001 — Like New, Box & Papers

Omega - 130.53.41.22.03.001 · $14,500

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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Omega Constellation C-Case 168.0056 Rare Navy Blue Dial – $999 OBO

Omega - Constellation C-Case 168.0056 · $999

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 Tapered Lug Ref. 14393 61 SC | Great Original Condition (Serviced) | $2100

Omega - 14393 61 SC · $2,160

A timeless example of Omega's refined design from the early 1960s, featuring a stainless steel case with tapered lugs, a silver dial, and an automatic chronometer-certified movement. The watch is in great shape for its age, showing minor signs of wear.

Condition: Great original condition, serviced
Movement: Caliber 561, chronometer-certified
Case size: 34.5mm x 42mm stainless steel case with tapered lugs
Dial condition: Original silver dial in good condition with crisp printing and even tone

Posted at

Oct 15, 2025, 10:02 PM

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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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