Omega Constellation Constellation Co-Axial 31 Red Gold / Brown

Reference 123.50.31.20.13.001

About this watch

The Omega Constellation Co-Axial 31 Red Gold / Brown is a masterpiece of horological excellence, embodying the spirit of Omega with its robust movement, luxurious materials, and timeless design. This luxury watch stands tall in the world of timepieces, offering a unique blend of style, performance, and heritage. With its automatic winding mechanism, 50-hour power reserve, and chronometer certification, this watch ensures exceptional precision and reliability. The red gold case exudes sophistication and elegance, while the brown dial harmonizes beautifully with the case. The Omega caliber 8521 movement is equipped with the Co-Axial Escapement, providing greater precision, stability, and durability. The watch features a date function, water resistance of up to 100 meters, and a sapphire crystal for scratch resistance and clarity.

Buy Now on Jomashop

This is an affiliate link

Key Features

Automatic winding in both directions
50-hour power reserve
Chronometer certified for exceptional precision
Red gold case with brown dial
Omega caliber 8521 movement with Co-Axial Escapement
Date function for easy viewing
Water resistance up to 100 meters

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Red Gold / Brown

Reference

123.50.31.20.13.001

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

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