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 600M (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001 · $4,475

This Omega Seamaster Planet Ocean 600M is a discontinued reference featuring a black dial on a steel bracelet, with a case size of 43.5mm.

Condition: Excellent, with a few light marks on the case and bracelet
Case size: 43.5mm diameter
Bracelet material: Stainless Steel
Crystal: Sapphire

Posted at

May 17, 2026, 10:10 AM

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Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch, featuring a chronograph function.

Condition: Excellent condition and full set
Case diameter: 45.5mm

Posted at

May 16, 2026, 10:09 PM

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Omega Seamaster Planet Ocean 45.5mm 232.32.46.21.01.005

Omega - 232.32.46.21.01.005 · $4,500

A Omega Seamaster Planet Ocean watch with a 45.5mm case size, featuring the 8500 movement.

Condition: great condition
Case size: 45.5mm diameter
Movement: 8500

Posted at

May 16, 2026, 10:07 PM

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Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean 232.90.46.21.03.001 is a titanium model with a 45.5mm case size.

Condition: Excellent condition
Case size: 45.5mm diameter

Posted at

May 16, 2026, 10:03 PM

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[US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,550

This Omega Seamaster Planet Ocean Chrono features a black dial, 45.5mm case and 600m water resistance.

Condition: Fantastic with minor hairlines
Case Size: 45.5mm diameter
Depth Rating: 600m

Posted at

May 16, 2026, 3:10 PM

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Omega Seamaster Planet Ocean GMT Titanium 232.92.44.22.03.001 43.5mm under warranty

Omega - 232.92.44.22.03.001 · $5,200

This Omega Seamaster Planet Ocean GMT Titanium is a 43.5mm watch with factory warranty valid through AUG 2027.

Condition: Excellent condition
Model: Seamaster Planet Ocean GMT Titanium
Size: 43.5mm diameter

Posted at

May 16, 2026, 12:57 PM

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Omega Seamaster Planet Ocean 8500 Orange🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

This listing is for an Omega Seamaster Planet Ocean 8500, a watch with a 45.5mm case size.

Condition: Great
Case Diameter: 45.5mm

Posted at

May 16, 2026, 12:54 PM

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Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean 8500 features a 45.5mm case size and is available for sale in excellent condition, complete with all original accessories.

Condition: Excellent condition
Size: 45.5mm diameter
Case material: unknown

Posted at

May 15, 2026, 2:44 PM

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