Omega Constellation Constellation Co-Axial 31 Yellow Gold / Champagne

Reference 123.50.31.20.08.001

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / Champagne is a luxurious timepiece that combines elegance, precision, and history. Its stunning aesthetics and high-performance mechanics make it a statement piece. The watch features a yellow gold casing, champagne-colored dial, and Dauphine hands, protected by scratch-resistant sapphire glass. At its core lies the Omega caliber 8521, a marvel of modern engineering with a Co-Axial escapement design that enhances precision and stability. This self-winding movement is equipped with a free-sprung balance system and silicon balance-spring, ensuring durability and reliability. With a power reserve of 50 hours and chronometer certification, this watch meets stringent precision standards, keeping time accurately. Its water resistance rating of 100 meters makes it suitable for daily wear, from casual outings to formal events. This Omega model stands out in the luxury segment with its unique Co-Axial escapement and timeless design.

Buy Now on Jomashop

This is an affiliate link

Key Features

Yellow gold casing
Champagne-colored dial
Dauphine hands
Scratch-resistant sapphire glass
Omega caliber 8521 movement
Co-Axial escapement design
Free-sprung balance system
Silicon balance-spring

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Yellow Gold / Champagne

Reference

123.50.31.20.08.001

Movement

8521

Movement Features

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

Case

Yellow Gold 31mm

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega constellation 1422

Omega - 1422 · $390

A Omega Constellation ref. 1422 is being sold with a worn condition but still keeping great time.

Condition: very worn
Shipping: continental US
Payment Methods: PayPal, cash (meet in person in Edinburg, Texas)

Posted at

Sep 3, 2025, 4:14 PM

Active

View listing on r/WatchExchange

Rare Omega Constellation Jumbo Ref. 168.001 37mm Vertical Brushed Dial for Japanese Market | Good Condition (Serviced) | $1500

Omega - 168.001 · $1,500

The Omega Constellation Jumbo Ref. 168.001 is a rare and underrated vintage watch with a 37mm diameter, stainless steel case, and a unique vertical brushed dial.

Condition: Good (Serviced)
Diameter: 37mm
Lug width: 19mm
Movement: Caliber 561 (24-jewel chronometer-rated automatic movement)

Posted at

Sep 3, 2025, 2:01 PM

Active

View listing on r/WatchExchange

1973 Omega Constellation Megaquartz Ref. 196.0015 Cal. 1310 - First Omega In-House Quartz Movement | $1100

Omega - 196.0015 · $1,100

1973 Omega Constellation Megaquartz with in-house quartz movement, one of the first of its kind.

Movement: Cal. 1310

Posted at

Sep 3, 2025, 1:43 PM

Active

View listing on r/WatchExchange

OMEGA Constellation Chronometer Certified 168.018 with original bracelet

OMEGA - 168.018 · $1,500

This Omega Constellation Chronometer is a certified timepiece with an automatic Cal 564 movement and a stainless steel case measuring 35 x 40mm in diameter.

Condition: excellent condition
Movement type: Cal 564 Automatic
Jewels: 24
Beats per hour: 19800

Posted at

Sep 2, 2025, 9:12 PM

Active

View listing on r/WatchExchange

[USA] omega constellation 41mm

Omega - Constellation · $3,500

A 41mm Omega Constellation is being sold for $3500 OBO.

Size: 41mm

Posted at

Sep 2, 2025, 4:56 PM

Active

View listing on r/WatchExchange

Ultra thin OMEGA Constellation Chronometer Certified 167.021 with extra bracelet

OMEGA - 167.021 · $1,300

This Omega Constellation Chronometer is a rare ultra-thin model certified by the brand. It features an automatic movement with 24 jewels and a silver dial with original handset.

Condition: Excellent with normal signs of wear and use
Case dimensions: 33 x 39mm, thickness 8mm, 19mm lug width
Crystal condition: Acrylic crystal is free from scratches
Movement specs: Cal 712 Automatic 24 Jewels 19800 beats per hour

Posted at

Sep 2, 2025, 10:18 AM

Active

View listing on r/WatchExchange