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

Reference 123.55.31.20.55.006

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Snow / Diamond Supernova is a masterpiece of luxury watchmaking, blending exquisite design with cutting-edge technology. Its mother of pearl dial shines with an ethereal glow, while the gem-set indexes add a touch of sparkle that catches the eye. The round case, crafted from 18 Ct red gold, exudes luxury and sophistication, making it a statement piece for any occasion. At its core lies the Omega caliber 8421, an automatic movement featuring the Co-Axial escapement, which enhances accuracy and reduces friction, leading to better performance over time. With a power reserve of 50 hours and a frequency of 25,200 vibrations per hour, this watch is built for performance. It's a chronometer, meaning it has been tested and certified for superior precision—a crucial factor for any serious watch enthusiast. The Constellation Co-Axial 31 also boasts an impressive water resistance of up to 100 meters, making it perfect for swimming or engaging in water sports without worrying about damaging it. Whether you're at a gala or a casual brunch, this watch is sure to turn heads.

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Key Features

Omega caliber 8421 automatic movement
Co-Axial escapement for enhanced accuracy and reduced friction
Chronometer tested and certified for superior precision
Up to 100 meters water resistance
31 mm diameter, suitable for smaller and larger wrists
Red gold case with gem-set bezel and mother of pearl dial
Dauphine hands for easy reading of the time

Specifications

Brand

Omega

Family

Constellation

Model

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

Reference

123.55.31.20.55.006

Movement

8421

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

Red Gold 31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,350

Omega - 168.0057 · $1,350

This is a 1973 Omega Constellation ref. 168.0057, powered by the automatic chronometer Cal. 1021 with quick-set day-date function. It features a gold-capped C-case, fluted gold bezel, and original Omega brick bracelet.

Condition: Very good condition
Bracelet size: up to approx. 7.25" wrist
Movement service date: May 2026
Crown condition: gold plating/cap has worn off

Posted at

May 27, 2026, 12:03 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan Crosshair Dial Dog Leg Demi Gold Ref 168.005 | Great Condition (With Box, Buckle & Serviced) | $2850

Omega - 168.005 · $2,910

The Omega Constellation Ref. 168.005 features a demi-gold configuration with a gold-capped construction over a stainless steel base, iconic pie-pan dial, dog-leg lugs, and crosshair layout. The watch is powered by the Omega Caliber 564 automatic chronometer movement and has been serviced to keep time well.

Condition: Great Condition
Movement: Omega Caliber 564 automatic chronometer movement
Case Size: 34mm diameter

Posted at

May 26, 2026, 11:15 PM

Active

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Omega Constellation Manhattan Day Date Two Tone - AP Bamboo Vibes For Just $995 SHIPPED!

Omega - Constellation Manhattan Day Date Two Tone · $995

This Omega Constellation Manhattan is a fantastic choice for those looking for a thin and complicated two-tone watch. It features a crisp white dial with luminescent hands and gold dot markers, and comes on its original integrated bracelet.

Condition: Pre-owned, unpolished with age-related wear
Case Size: 33MM
Bracelet Length: approximately 7.25 inches
Movement Type: Swiss quartz

Posted at

May 25, 2026, 7:59 PM

Active

View listing on r/WatchExchange