Omega Constellation Constellation Co-Axial 38 White Gold / Diamond / Black

Reference 123.55.38.21.51.001

Omega Constellation Co-Axial 38 White Gold / Diamond / Black

About this watch

The Omega Constellation Co-Axial 38 (model 123.55.38.21.51.001) is an epitome of luxury and sophistication, boasting an impeccable design with a white gold case, gem-set bezel, and rich black dial. The watch features a robust automatic movement, the Omega caliber 8501, which boasts precision and innovation, including a Co-Axial escapement that reduces friction and enhances longevity. With a power reserve of approximately 60 hours, this chronometer is reliable and accurate. Its stunning design combines elegance with functionality, making it perfect for everyday wear or formal occasions. The watch displays hours, minutes, seconds, and date, while its Dauphine hands glide smoothly over the dial, providing clear visibility. With a water resistance of up to 100 meters, you can enjoy swimming, snorkeling, or other water activities without worrying about your timepiece. As a statement piece, this Omega Constellation Co-Axial 38 carries with it a legacy of excellence and a promise of reliability, making it a worthy addition to any collection.

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Key Features

White gold case
Gem-set bezel
Automatic movement (Omega caliber 8501)
Co-Axial escapement
Chronometer accuracy
Water resistance up to 100 meters
Dauphine hands

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 38 White Gold / Diamond / Black

Reference

123.55.38.21.51.001

Movement

8501

Movement Features

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

Case

White Gold 38mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

100

Current Listings

Omega Constellation Jumbo Ref. 168.001 37mm | Good Condition (Serviced) | $1500

Omega - 168.001 · $1,500

The Omega Constellation Jumbo Ref. 168.001 is a vintage watch with a 37mm diameter stainless steel case and a clean, flat dial aesthetic. It features a starburst dial with onyx inserts and dauphine hands, powered by Omega's Caliber 561 automatic movement.

Condition: Good, serviced
Case diameter: 37mm
Lug width: 19mm

Posted at

Mar 6, 2026, 9:32 PM

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1968 Omega Constellation ref. 1570001 Cal. 712, 1400$ OBO

Omega - 1570001 · $1,400

A sleek and uncommon 1968 Omega Constellation ref. 157.0001, featuring an original blue textured dial and matching Omega mesh bracelet.

Condition: Excellent
Case size: 34.5mm diameter
Lug width: 18mm
Movement thickness: 3mm

Posted at

Mar 6, 2026, 8:49 PM

Active

View listing on r/WatchExchange

- SS Omega Constellation Bumper from the fifties ref 2782 - 1900 EUR + shipping

Posted at

Mar 4, 2026, 5:08 AM

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33.5 Mens Omega Constellation 1312.30 -Honey Comb Dial

Omega - 1312.30 · $1,097,444

The Omega Constellation, reference 1312.3, is a 33.5mm men's model crafted in stainless steel with 18K gold accents, featuring a stunning gold bezel and honeycomb-textured dial.

Condition: Pre-owned with signs of previous wear
Case size: 33.5mm diameter
Material: Stainless steel and 18k yellow gold
Dial color: Cream

Posted at

Mar 2, 2026, 2:58 PM

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1968 Omega Constellation ref. 157.0001 Cal. 712 original mesh bracelet, boxes, 1500 OBO

Omega - 157.0001 · $1,500

A sleek and uncommon 1968 Omega Constellation ref. 157.0001 with an original blue textured dial and matching mesh bracelet, powered by the ultra-thin chronometer-rated Cal. 712.

Condition: Excellent
Movement: Cal. 712 automatic chronometer
Case: 34.5mm diameter, stainless steel
Lug width: 18mm

Posted at

Mar 2, 2026, 2:05 PM

Active

View listing on r/WatchExchange