Omega Constellation Constellation Co-Axial 31 Stainless Steel / MOP

Reference 123.10.31.20.55.001

Omega Constellation Co-Axial 31 Stainless Steel / MOP

About this watch

The Omega Constellation Co-Axial 31 is a stunning piece that beautifully marries function and form. With its exquisite design, reliable movement, and versatile nature, it’s a watch that can easily become a cherished part of your collection. This timepiece is perfect for anyone who appreciates fine craftsmanship and luxury, whether you’re a watch collector, a business professional, or someone who enjoys elegant accessories. The Omega Constellation Co-Axial 31 is not just a statement piece; it’s a testament to the legacy of innovation and excellence that Omega embodies. Its Chronometer certification ensures accuracy, while its water resistance up to 100 meters makes it suitable for swimming and snorkeling. This watch can be dressed up or down, making it an excellent addition to any wardrobe. When you wear an Omega, you’re embracing a legacy of precision and elegance.

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Key Features

Omega caliber 8520 movement
Sapphire crystal glass
100m water resistance
Stunning MOP dial
Gem-set indexes
Chronometer certified for accuracy

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Stainless Steel / MOP

Reference

123.10.31.20.55.001

Movement

8520

Movement Features

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

Case

Stainless Steel 31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Vintage Omega Constellation Electronic ( Ref:198.002 ) Serviced..$420 Shipped..

Omega - 198.002 · $420

A rare vintage collectors' item from Omega, featuring a gold plated fixed bezel and stainless steel case, with a gold, beige, and cream dial.

Condition: Pre-owned with minor age/usage-related cosmetic imperfections
Case size: 37mm
Movement type: Swiss electronic (battery powered)
Band material: Brown leather

Posted at

Jun 11, 2025, 6:37 PM

Active

View listing on r/WatchExchange

1966 Omega Constellation ref. 168.004 w/ Cal. 561 – Crosshair dome dial, June 2025 service – $950 shipped

Omega - 168.004 · $950

A clean 1966 Omega Constellation ref. 168.004 with a signature dome dial and sharp pie-pan alternatives, featuring an original silver-ivory crosshair dial with sunburst effect.

Condition: Excellent condition overall, with some minor polishing history
Case diameter: 35mm
Lug width: 18mm
Movement type: automatic semi-quickset date

Posted at

Jun 10, 2025, 11:16 PM

Active

View listing on r/WatchExchange