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

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Omega - 2852-1 · $1,300

This Omega Constellation Pie Pan watch is a stunning and elegant example of Omega's dress watch heritage. The watch has an original, untouched dial and features a two-tone variant with solid yellow gold bezel and medallion. The case is made of steel.

Condition: Pre-owned, serviced a few years back
Case material: Steel, two tone (gold capped lugs)
Diameter: 35mm
Lug width: 18mm

Posted at

Mar 27, 2026, 4:27 PM

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Omega Constellation Pie Pan Steel 168.005 | All original | Exceptional Condition | Unpolished | $2500 (SERVICED)

Omega - 168.005 · $2,500

A classic early-60s Omega Constellation with a pie-pan dial and clean case, featuring faceted indices and dauphine hands for a crisp aesthetic.

Condition: Exceptional Condition
Case width: 34.5mm (excluding crown)
Thickness: ~11mm
Lug-to-lug: ~42mm

Posted at

Mar 27, 2026, 10:24 AM

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1971 Omega Constellation ref. 168.0056 w/ freshly serviced Cal. 1011 - clean original dial – $870 shipped

Omega - 168.0056 · $870

A 1971 Omega Constellation ref. 168.0056 with a clean, original dial and unpolished C-shape case, powered by the chronometer-certified Cal. 1011 automatic movement.

Movement: chronometer-certified Cal. 1011 automatic
Case Size: 35mm diameter
Lug Width: 19mm

Posted at

Mar 25, 2026, 7:56 PM

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Omega - 368.1075 · $850

This Omega Constellation Automatic is a vintage two-tone piece with a distinct 80s/90s look, featuring a gold-tone dial and Roman numeral bezel.

Condition: Pre-owned with honest wear consistent with age
Bracelet Authenticity Confidence: 80%
Bracelet Origin: Genuine Omega (doubtful for this specific watch)
Patina Spidering: noticeable throughout the dial

Posted at

Mar 25, 2026, 3:02 PM

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Omega Constellation Automatic 368.1075 $950 Shipped!

Omega - 368.1075 · $950

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Condition: Pre-owned with normal surface wear and noticeable patina/spidering on the dial
Bracelet: incorrect for this watch but wearable
Bezel material: 18K Yellow Gold

Posted at

Mar 25, 2026, 12:38 PM

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Wallet Friendly Integrated Day Dates! Omega Constellation Manhattan Stainless & Two Tone

Omega - Constellation Manhattan Day-Date · $1,150

A pair of Omega Constellation Manhattan Day-Date watches in stainless steel and two-tone variants. Both feature crisp white dials, luminescent hands, and gold dot markers. The cases are 33MM with oversized bezels and integrated bracelets, giving a larger wear than expected.

Condition: Pre-owned, unpolished with some age-related wear and patina forming
Case Diameter: 33mm
Bracelet Length: [object Object]
Movement Type: Swiss automatic with quickset date

Posted at

Mar 23, 2026, 9:35 PM

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omega constellation deluxe ref. 2853 in 18K rose gold. Serviced. $6500 no trades.

Omega - 2853 · $6,500

Material: 18K rose gold

Posted at

Mar 23, 2026, 7:53 PM

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Omega Constellation Double Eagle Chronograph 41mm Reverse Panda Ref. 1819.51.91 - Co-Axial Cal. 3313

Omega - 1819.51.91 · $2,175

This Omega Constellation Double Eagle Chronograph features a 41mm stainless steel case, black dial, and automatic chronometer-certified movement with Co-Axial escapement. It has a reverse panda look and comes on an original integrated black rubber strap.

Condition: Solid, honest condition with superficial wear and light scratches
Case size: 41mm stainless steel
Diameter: 41mm
Bezel: black aluminum Roman numeral

Posted at

Mar 22, 2026, 8:48 PM

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Omega Constellation Globemaster Annual Calendar Box & Papers

Omega - Constellation Globemaster Annual Calendar · $5,500

The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial, applied hour markers, and a clean annual calendar display powered by the in-house Co-Axial Master Chronometer Caliber 8922.

Condition: Great pre-owned condition with light signs of careful wear
Case size: 41mm
Material: stainless steel
Bracelet material: stainless steel

Posted at

Mar 22, 2026, 12:30 PM

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