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 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

This Omega Seamaster Planet Ocean features a 45.5mm case, offering a large and stylish design. The watch is still under warranty until November 2027.

Condition: exceptional condition
Case size: 45.5mm diameter
Warranty valid until: November 2027

Posted at

Mar 21, 2026, 11:22 PM

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Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $3,375

This Omega Seamaster Planet Ocean is a 45.5mm watch with a 600m depth rating.

Condition: Pre-owned, polished
Diameter: 45.5mm
Depth Rating: 600m

Posted at

Mar 21, 2026, 7:30 PM

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OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA - 232.32.42.21.01.003 · $4,150

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

Condition: VERY GOOD, with few superficial scratches on case
Movement: Co-Axial Caliber 8500
Water resistance: 600m (2000 feet)
Case material: stainless steel

Posted at

Mar 21, 2026, 7:09 PM

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Omega Seamaster Planet Ocean 600m 42mm, 232.30.42.21.01.003 with black dial, (orange 6, 9, 12), w/ box & papers

Omega - 232.30.42.21.01.003 · $4,100

The Omega Seamaster Planet Ocean 600m 42mm features a classic dive watch design with a black dial, orange numerals, and stainless steel bracelet.

Condition: Excellent, previously cherished condition
Case diameter: 42mm
Water resistance: 600m
Bracelet size capacity: up to 7.5" wrist

Posted at

Mar 19, 2026, 1:35 PM

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

Omega - 2201.50 · $2,990

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

Condition: Very good condition for its age with minimal marks/hairlines
Case size: 42mm diameter
Movement: Omega Calibre 2500
Bracelet type: original Omega steel bracelet

Posted at

Mar 19, 2026, 4:52 AM

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Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega - 232.90.42.21.03.001 · $5,350

The Omega Seamaster Planet Ocean 600M features a titanium 42mm case and bracelet, with a blue ceramic bezel and dial.

Condition: Mint condition
Case Size: 42mm diameter
Water Resistance: 600m / 2000ft
Movement: Omega Calibre 8500

Posted at

Mar 18, 2026, 3:33 PM

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Omega Seamaster Planet Ocean - 2200.50

Omega - 2200.50 · $3,300

This Omega Seamaster Planet Ocean ref. 2200.50 is the classic Co-Axial model powered by Omega caliber 2500, featuring a black dial and black bezel, along with sapphire crystal and 600m water resistance.

Condition: Pre-owned with scratches on AR coating
Water Resistance: 600m
Case Size: 45.5mm diameter
Movement: Omega caliber 2500 (Co-Axial)

Posted at

Mar 18, 2026, 10:18 AM

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Omega Seamaster Planet Ocean Blk & Orange $5299

Omega - Seamaster Planet Ocean · $5,299

a black and orange Omega Seamaster Planet Ocean watch for sale

Color: Black & Orange

Posted at

Mar 17, 2026, 9:09 AM

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Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 · $4,500

A 43.5mm stainless steel Omega Seamaster Planet Ocean 600M 'Good Planet' watch with a vibrant blue dial, polished blue ceramic bezel, and orange GMT accents.

Case diameter: 43.5 mm
Thickness: 17.25 mm
Lug width: 21 mm

Posted at

Mar 16, 2026, 10:00 PM

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