Omega Constellation Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

Reference 123.55.31.20.63.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova is a stunning work of art that embodies sophistication and craftsmanship. Its combination of red gold, diamonds, and a brown supernova dial creates a visual feast that commands attention. The rich brown color radiates warmth, while the gem-set indexes sparkle brilliantly, catching light with every movement. The Dauphine hands glide effortlessly across the face, ensuring readability without sacrificing style. Crafted from luxurious red gold, the case measures a comfortable 31 mm, making it ideal for both formal and casual occasions. The gem-set bezel adds an extra layer of elegance, transforming the watch into a statement piece that enhances any outfit. At the heart of this timepiece is the Omega caliber 8521, featuring the Co-Axial escapement for enhanced precision, stability, and durability. With a water resistance of up to 100 meters, this watch can withstand daily life's rigors and occasional splashes of water. Its versatility makes it suitable for any occasion, from formal galas to casual weekend outings.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8521 movement with Co-Axial escapement
Red gold case with gem-set bezel
Brown supernova dial with Dauphine hands
Water resistance up to 100 meters
Automatic winding with free sprung-balance system
Swiss craftsmanship with oscillating mass and balance bridge in 18 Ct red gold
50-hour power reserve and 25,200 vibrations per hour

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Red Gold / Diamond / Brown Supernova

Reference

123.55.31.20.63.001

Movement

8521

Movement Features

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

Case

Red Gold 31mm

Dial Color

Brown

Crystal

Sapphire

Water Resistance

100

Current Listings

1962 Omega Constellation Pie Pan Ref. 14602 62 SC | Good Vintage Condition | Sunray Silver Dial | All Original | $1900 (SERVICED)

This 1962 Omega Constellation Pie Pan Ref. 14602 62 SC is a masterclass in mid-century elegance, featuring a crisp silver sunray dial and the iconic 'Pie Pan' dial geometry.

Posted at

Apr 13, 2026, 9:37 AM

Active

View listing on r/WatchExchange

Automatic Omega Constellation Manhattan and Hand-Winding Pre-WWII Omega

Omega - 168.0075 · $1,600

This listing is for two Omega watches: an automatic chronometer and a pre-WWII hand-winding watch, both in working condition but with unknown service history.

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

Posted at

Apr 12, 2026, 8:06 PM

Active

View listing on r/WatchExchange

Omega Constellation Automatic Ref.155.0021 Cal 711 Rare Antique Gold Dial Men's Watch $600

Omega - 155.0021 · $600

A rare Omega Constellation Automatic watch from Switzerland, featuring a stainless steel case and gold band.

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

Active

View listing on r/WatchExchange

Omega Constellation Co-Axial Master Chronometer – 39mm – Full Set

Omega - 39mm

Posted at

Apr 12, 2026, 1:01 PM

Active

View listing on r/WatchExchange

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Omega - ST 368.1075 · $999

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
Movement: Automatic self-winding chronometer-certified movement, Omega Caliber 1110.11.40 (based on ETA 2892-2), 42–44 hour power reserve, 21 jewels
Diameter: 35mm
Thickness: 7.5mm

Posted at

Apr 10, 2026, 4:18 PM

Active

View listing on r/WatchExchange

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

Omega - 568.016 · $1,349

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

Active

View listing on r/WatchExchange

Omega Constellation 14902 SC-61 — Pie Pan Crosshair — Cal. 561 — $1,999 Shipped (Tariff covered)

Omega - 14902 SC-61 · $1,999

Condition: Pre-owned, serviced
Case Size: 34.5mm (excluding crown)
Lug To Lug: ~42mm
Thickness: ~11mm

Posted at

Apr 9, 2026, 2:55 PM

Active

View listing on r/WatchExchange

Omega Constellation Ref. 198.0118 Textured Dial – $650

Omega - 198.0118 · $650

Condition: fair vintage condition
Case size: 34mm (wears larger due to integrated bracelet design)
Fits wrist: ~7.5” comfortably
Bracelet material: original Omega, 10k gold filled

Posted at

Apr 8, 2026, 3:35 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan Crosshair Dial Ref 14393

Omega - 14393 · $1,950

This Omega Constellation features a Pie Pan Crosshair dial and comes fitted on an Omega beads of rice bracelet. The 35mm case is in good shape with sharp lugs.

Condition: some wear, overall great condition, sharp lugs
Bracelet: Omega beads of rice bracelet

Posted at

Apr 8, 2026, 11:55 AM

Active

View listing on r/WatchExchange