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

Reference 123.55.31.20.55.009

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

About this watch

The Omega Constellation 123.55.31.20.55.009 is a masterpiece of elegance and engineering, boasting an aura of sophistication with its round shape and 31mm diameter. The combination of white gold and mother of pearl creates a striking visual appeal, while the gem-set bezel elevates its luxurious presence. At the core of this timepiece is the Omega caliber 8421, featuring a free sprung-balance system and silicon balance-spring for exceptional reliability and longevity. The watch face is adorned with a unique snow-like texture on the mother of pearl dial, accompanied by gem-set indexes that twinkle like stars in the night sky. With a water resistance of 100 meters, this watch is built to withstand splashes and minor swimming sessions, making it an ideal choice for those who lead active lifestyles. The bracelet is crafted from white gold, matching the case perfectly, and feels luxurious against the skin with its adjustable fit. This timepiece embodies everything Omega stands for, masterfully combining beauty with precision.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8421 automatic movement
Chronometer Certification for exceptional accuracy
Co-Axial Escapement technology for greater precision and stability
Self-Winding Mechanism for effortless winding
Water resistance of 100 meters
White gold case and bracelet for luxurious feel
Mother of pearl dial with unique snow-like texture

Specifications

Brand

Omega

Family

Constellation

Model

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

Reference

123.55.31.20.55.009

Movement

8421

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation C-Case 168.0056 Rare Navy Blue Dial – $950 OBO

Omega - 168.0056 · $950

This Omega Constellation C-Case features a rare navy blue dial in a classic design, along with an original Cal. 1010 movement and a clean, original navy dial.

Condition: Good shape and ready to wear
Bracelet size: 6.3"
Max bracelet size: 7.5"
Movement: Cal. 1010

Posted at

Oct 30, 2025, 11:07 PM

Active

View listing on r/WatchExchange

[WTS] 1963 Vintage Omega Constellation Ref. 167.005 | No Date | All Original | Freshly Serviced Chronometer Cal 561 | Sharp Unpolished Dog Leg Lugs | Great Vintage Condition | $1830

1963 Vintage Omega Constellation Ref. 167.005 | No Date | All Original | Freshly Serviced Chronometer Cal 561 | Sharp Unpolished Dog Leg Lugs | Great Vintage Condition | $1830

Posted at

Oct 30, 2025, 8:29 AM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan Demi Gold Ref. 168.005 | Excellent Original Condition (with original straps and buckle, Omega red box & Serviced) | $2950

Posted at

Oct 27, 2025, 11:34 PM

Active

View listing on r/WatchExchange

Omega Constellation 168.054

Posted at

Oct 27, 2025, 12:37 PM

Active

View listing on r/WatchExchange

Omega Constellation 168.046

Posted at

Oct 27, 2025, 12:31 PM

Active

View listing on r/WatchExchange

1961 Omega Constellation (Original Box / Papers

Omega - 14393 · $1,200

This is a 1961 Omega Constellation reference 14393 with a white dome dial and original outer cardboard box. The watch has a 34mm stainless and 14k gold capped case and is powered by an automatic cal 561 movement.

Condition: Very good, with minor wear
Case Size: 34mm
Movement: Omega automatic cal 561

Posted at

Oct 26, 2025, 11:05 PM

Active

View listing on r/WatchExchange