Omega Constellation Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova

Reference 123.50.27.20.55.002

Omega Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece of luxury watchmaking, blending elegance and technological innovation. Its stunning brushed yellow gold case gleams with understated sophistication, while the Mother of Pearl dial adds a touch of opulence. The gem-set indexes twinkle like stars in the night sky, providing a perfect contrast against the white background. With its compact yet bold diameter of 27.00 mm, this watch is perfect for both casual outings and formal events. The round shape is timeless, ensuring that this piece won't go out of style anytime soon. The sapphire glass offers durability and provides a crystal-clear view of the stunning dial. What truly sets the Omega Constellation apart is its impressive movement - the self-winding mechanical Omega caliber 8521 combines traditional watchmaking with modern technology, featuring a Co-Axial escapement that reduces friction between parts for enhanced accuracy and longevity. This timepiece keeps you organized without sacrificing style, equipped with a date function and a water resistance rating of 100 meters. Wearing the Constellation Co-Axial 27 feels like putting on a piece of art, its weighty yet comfortable feel on the wrist is a testament to Omega’s craftsmanship.

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Key Features

Omega caliber 8521 self-winding mechanical movement
Mother of Pearl dial with gem-set indexes
Sapphire glass for scratch-free durability
Co-Axial escapement for enhanced accuracy and longevity
Date function for organization without sacrificing style
Water resistance rating of 100 meters for versatility

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 27 Brushed Yellow Gold / MOP Supernova

Reference

123.50.27.20.55.002

Movement

8521

Movement Features

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

Case

Yellow Gold 27mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Vintage Omega Constellation Electronic ( Ref:198.002 ) Serviced..$420 Shipped..

Omega - 198.002 · $420

A rare vintage collectors' item from Omega, featuring a gold plated fixed bezel and stainless steel case, with a gold, beige, and cream dial.

Condition: Pre-owned with minor age/usage-related cosmetic imperfections
Case size: 37mm
Movement type: Swiss electronic (battery powered)
Band material: Brown leather

Posted at

Jun 11, 2025, 6:37 PM

Active

View listing on r/WatchExchange

1966 Omega Constellation ref. 168.004 w/ Cal. 561 – Crosshair dome dial, June 2025 service – $950 shipped

Omega - 168.004 · $950

A clean 1966 Omega Constellation ref. 168.004 with a signature dome dial and sharp pie-pan alternatives, featuring an original silver-ivory crosshair dial with sunburst effect.

Condition: Excellent condition overall, with some minor polishing history
Case diameter: 35mm
Lug width: 18mm
Movement type: automatic semi-quickset date

Posted at

Jun 10, 2025, 11:16 PM

Active

View listing on r/WatchExchange