Omega Constellation Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold Claws / MOP

Reference 123.20.27.20.55.005

Omega Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold Claws / MOP

About this watch

The Omega Constellation Co-Axial 27 is a masterpiece that embodies the essence of luxury watchmaking. With its flawless design, superior craftsmanship, and reliable movement, it’s a watch that you will cherish for years to come. This stunning timepiece combines elegance and functionality with its petite 27 mm diameter and beautiful blend of brushed stainless steel and yellow gold claws. The Mother of Pearl dial radiates sophistication with its iridescent finish, while the gem-set indexes add a touch of luxury and glamour. The Omega caliber 8520 automatic movement provides reliability and precision, certified to chronometer standards. With a water resistance of 100 meters, this watch is perfect for those who lead an active lifestyle yet want to maintain an air of sophistication. Whether you're headed to a formal event or a casual outing, the Constellation Co-Axial 27 adapts seamlessly, making it suitable for any setting. It's a symbol of elegance, precision, and timeless style that will elevate your wrist game.

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Key Features

Omega Caliber 8520 Automatic Movement
Chronometer Certified for Precision
Water-Resistant up to 100 Meters
Mother of Pearl Dial with Gem-Set Indexes
Brushed Stainless Steel and Yellow Gold Claws
Sapphire Glass for Scratch Resistance

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 27 Brushed Stainless Steel / Yellow Gold Claws / MOP

Reference

123.20.27.20.55.005

Movement

8520

Movement Features

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

Case

27mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775

This Omega Constellation C Shape from 1969 features a stainless steel case with a 35mm diameter and an off-white dial.

Condition: Great (minor hairline scratches on case, little signs of aging on dial)
Case Size: 35mm
Movement: Automatic calibre 564
Crystal: Signed Omega crystal

Posted at

Jan 26, 2026, 8:08 AM

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View listing on r/WatchExchange

1966 Omega Constellation “Hidden Crown” ref. 168.004 (Cal. 561) – serviced Jun 2025 – $675 shipped

Omega - 168.004 · $675

A 1966 Omega Constellation ref. 168.004 with the sleek hidden crown case design, powered by the correct Omega Cal. 561 chronometer movement. The dial is original but shows signs of a past cleaning attempt. The watch has been serviced in June 2025.

Condition: Dial: original but shows signs of a past cleaning attempt; Case: original case, likely unpolished with honest scratches from normal wear. Movement serviced June 2025.
Case size without crown: 35mm
Movement caliber: Omega Cal. 561
Crystal type: new aftermarket replacement

Posted at

Jan 26, 2026, 7:57 AM

Active

View listing on r/WatchExchange

Omega Constellation 33mm 18kYG 166052/168033 MINT

Omega - 166052/168033 · $4,200

A mint Omega Constellation in 18k yellow gold, featuring a 33mm case size and a unique combination of reference numbers 166052 and 168033.

Condition: MINT
Case size: 33mm
Lug-to-lug: 39mm
Lug width: 19mm

Posted at

Jan 25, 2026, 1:44 PM

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View listing on r/WatchExchange

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650

The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
Bracelet type: 3-row with slightly curved central links

Posted at

Mar 31, 2025, 10:32 AM

Active

View listing on RolexForums