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

Reference 123.15.27.20.51.001

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

About this watch

When it comes to luxury watches, Omega is a name that reverberates with elegance and precision. The Omega Constellation Co-Axial 27 stands out for its exquisite craftsmanship and stunning aesthetics. This model features a sleek design crafted from brushed stainless steel and adorned with diamond accents. Its round shape offers versatility that complements a range of outfits, from casual to formal. The gem-set bezel adds an element of luxury, making the Supernova not just a timepiece but a statement piece. At the core of this timepiece is the renowned Omega Caliber 8520. This automatic movement showcases Omega's commitment to precision and reliability. With a frequency of 25200 vibrations per hour and a power reserve of 50 hours, this movement ensures that the watch keeps accurate time, even when it’s not worn for a couple of days. One of the highlights of the Caliber 8520 is its Chronometer certification. This means that it has passed rigorous testing for accuracy, making it a trustworthy companion for any occasion.

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MSRP: $9,300

Market Price: $3,532

Key Features

Omega Caliber 8520 Automatic Movement
Chronometer-Certified Accuracy
Water Resistance up to 100 meters
Gem-Set Bezel and Indexes
Sapphire Glass Crystal
Dauphine Hands with Luminescent Tips

Specifications

Brand

Omega

Family

Constellation

Model

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

Reference

123.15.27.20.51.001

Movement

8520

Movement Features

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

Case

Stainless Steel 27mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation Pie Pan Gold Filled Reference 14902 SERVICED

A vintage Omega Constellation Pie Pan from 1966, featuring a gold-filled case and serviced recently.

Posted at

Apr 24, 2026, 1:31 PM

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View listing on r/WatchExchange

1961 Omega Jumbo Constellation ref. 14778-61 SC w/ Cal. 551 – Uncommon 37mm gold-capped case – $2,300 shipped all-in

Omega - 14778-61 SC · $2,300

This Omega Constellation is an uncommon 'jumbo' 37mm no-date model with a gold-capped case and Cal. 551 movement. It has been freshly serviced in Jan 2026.

Condition: Very strong overall condition with a clean, original-looking dial and freshly serviced Cal. 551 movement
Case diameter: 37mm
Lug width: 19mm
Movement caliber: Cal. 551

Posted at

Apr 24, 2026, 10:11 AM

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View listing on r/WatchExchange

Omega Constellation 168.001 “Jumbo” 37MM Gold Capped - $2,550

Omega - 168.001 · $2,550

This Omega Constellation 'Jumbo' is a rare 37MM model released only to specific Asian markets, featuring a Calibre 561 Automatic Chronometer movement and a 14k Constellation emblem on its stainless case back. The watch appears original with all the appropriate appliques and indices, and has been well-maintained throughout its years. It's now available for sale at $2,550.

Condition: Excellent condition for its age
Case size: 37MM diameter
Movement: Calibre 561 Automatic Chronometer (24 jewels, 19,800 vph)
Functions: Hours, minutes, central sweep-second hand, date (semi-quickset)

Posted at

Apr 23, 2026, 7:11 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

Active

View listing on RolexForums