Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / MOP Supernova

Reference 123.15.27.20.55.001

Omega Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / MOP Supernova

About this watch

The Omega Constellation Supernova is an exquisite timepiece that embodies elegance, precision, and rich legacy. With a diameter of 27 mm, this watch is tailored for those who appreciate a more delicate aesthetic without sacrificing functionality. The brushed stainless steel case exudes a modern yet timeless feel, while the gem-set bezel adds a touch of sparkle. The white mother-of-pearl dial shimmers in the light, offering a unique iridescent quality that changes with your movement. At the heart of this watch lies the Omega caliber 8520 movement, boasting a 50-hour power reserve and chronometer certification. With a water resistance rating of 100 meters, this watch is versatile enough for everyday wear. Whether you’re caught in a rain shower or diving into the pool, this watch can handle it all.

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MSRP: $9,900

Market Price: $4,367

Key Features

27mm diameter
Brushed stainless steel case
Gem-set bezel with diamonds
White mother-of-pearl dial
Omega caliber 8520 movement
50-hour power reserve
Chronometer certification

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 27 Brushed Stainless Steel / Diamond / MOP Supernova

Reference

123.15.27.20.55.001

Movement

8520

Movement Features

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

Case

Stainless Steel 27mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

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Posted at

Apr 13, 2026, 9:11 PM

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Apr 13, 2026, 9:37 AM

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Condition: pre-owned working condition
Service history: unknown
Caliber: Cal 1111

Posted at

Apr 12, 2026, 8:06 PM

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Condition: Preowned with some wear, scratches and marks
Case width: 31 mm (without crown)
Band material: Stainless steel & Gold
Band size: Will fit up to approx 18.5 cm

Posted at

Apr 12, 2026, 4:57 PM

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Omega - 39mm

Posted at

Apr 12, 2026, 1:01 PM

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A rare vintage Omega Constellation “Manhattan” chronometer ref. ST 368.1075, a classic example of Omega’s timeless dress-watch design, characterized by its distinctive 'claws' on the side of the case and an integrated bracelet.

Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
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Diameter: 35mm
Thickness: 7.5mm

Posted at

Apr 10, 2026, 4:18 PM

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Omega Constellation 568.016 Ladies Automatic Chronometer 18K WG Bezel Cal 682 Full Set

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This Omega Constellation Automatic Chronometer features a stainless steel case with an 18K solid white gold bezel, silver sunburst dial, and Observatory medallion caseback.

Condition: Near-mint
Case size: 25mm
Lug to lug length: 30mm
Movement frequency: 19,800 bph

Posted at

Apr 10, 2026, 1:43 AM

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