Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 20 Sapphires

Reference 2903.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 20 Sapphires

About this watch

The Omega Seamaster Planet Ocean 2903.50.38 is a masterpiece of engineering and design, blending precision, style, and functionality in a single timepiece. With its stunning blue dial adorned with mother of pearl, this watch shines beautifully in the light. The bold 45.5 mm case diameter makes a statement on the wrist, while the gem-set bezel adds a touch of elegance and luxury. The combination of white gold and stainless steel ensures durability, making it perfect for both casual wearers and collectors alike. With its exceptional movement, robust water resistance, and sleek design, this watch effortlessly transitions from a dive watch to a sophisticated accessory for formal occasions. Whether you're in a business meeting or enjoying a weekend getaway, the Seamaster Planet Ocean complements any outfit with its versatility and style. As an investment, this timepiece offers superior craftsmanship, iconic design, and robust movement, making it a smart buy in the long run. Omega watches hold their value remarkably well, ensuring that this watch remains a valuable possession for years to come.

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Key Features

Omega caliber 2500 automatic movement
600m water resistance with sapphire crystal
45.5mm white gold and stainless steel case diameter
22mm lug width for comfortable wear
Blue dial with mother of pearl finish and mixed indexes
Gem-set bezel for added elegance and luxury
Sapphire glass for scratch-resistant protection

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 20 Sapphires

Reference

2903.50.38

Movement

2500

Movement Features

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

Case

45.5mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 2200.51 – 42mm – Full Set – $4,195

Omega - 2200.51 · $4,195

The Omega Seamaster Planet Ocean is a great everyday diver featuring the Co-Axial movement in a 42mm case, with strong build quality and classic design.

Condition: Very clean overall with light wear consistent with age
Case size: 42mm diameter
Water resistance: 600m depth rating
Movement: Caliber 2500 (Co-Axial)

Posted at

Mar 27, 2026, 10:40 AM

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Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,895

Omega - 232.92.42.21.03.001 · $4,895

This Omega Seamaster Planet Ocean 600M is a 42mm titanium watch.

Posted at

Mar 27, 2026, 10:22 AM

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42mm Omega Seamaster Planet Ocean 2201.50 with Paper & Extra

Omega - 2201.50 · $2,999

The Omega Seamaster Planet Ocean ref 2201.50 is a high-end watch featuring a black aluminum bezel, 42mm case, and 20mm lugs. It's considered the best of Omega's PO lineup with a durable design.

Condition: Very good
Case size: 42mm diameter
Lug to lug length: 48mm
Bezel material: black aluminum

Posted at

Mar 25, 2026, 7:57 PM

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Omega Seamaster Planet Ocean 600M – 42mm Titanium – Box & Papers 2025

Omega - 232.90.42.21.03.001 · $5,350

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium 42mm case and bracelet, with an Omega Calibre 8500 automatic chronometer and 600 meter water resistance.

Condition: Mint condition
Case material: Full titanium
Bracelet material: Titanium
Water resistance: 600 meter / 2000 feet

Posted at

Mar 25, 2026, 2:26 PM

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Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - Planet Ocean 2201.50 · $2,990

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

Condition: Very good condition for its age
Case size: 42mm diameter
Bracelet material: Steel
Bezel insert material: Aftermarket

Posted at

Mar 25, 2026, 4:07 AM

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Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Omega - 232.92.46.21.03.001 · $10,400

A Precision Chrono DK is selling an Omega Seamaster Planet Ocean 600M Titanium, featuring a titanium case and other details.

Condition: Very Good
Case material: titanium
Water resistance: 600m

Posted at

Mar 25, 2026, 1:46 AM

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OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

Omega - 215.30.44.21.01.002 · $4,800

An Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer 44mm, featuring a bold 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS.

Condition: Very good
Case size: 44mm diameter
Movement: Omega Co-Axial Master Chronometer Calibre 8900
Water resistance: 600m / 2000ft

Posted at

Mar 24, 2026, 8:18 PM

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