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.

Buy Now on Jomashop

This is an affiliate link

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 2201.51 42mm - $2,690

Omega - 2201.51 · $2,690

Up for sale is my Omega Seamaster Planet Ocean 2201.51, a great condition watch with an automatic movement and measuring at 42mm.

Condition: great condition for its age with minimal marks/hairlines on case, caseback, and bracelet
Movement: Omega Calibre 2500
Water Resistance: 600m

Posted at

Mar 15, 2026, 9:39 PM

Active

View listing on r/WatchExchange

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

Omega - 215.30.46.51.01.001 · $6,625

This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

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

Posted at

Mar 15, 2026, 10:27 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

The Omega Seamaster Planet Ocean 8500 is a high-end watch with exceptional condition and warranty until Nov 2027.

Condition: exceptional
Case Size: 45.5mm diameter
Warranty Valid Until: November 2027

Posted at

Mar 14, 2026, 4:24 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

Additional Details: Model: Omega Seamaster Planet Ocean 8500 45.5mm

Condition: great condition
Size: 45.5mm diameter

Posted at

Mar 14, 2026, 4:16 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001

Posted at

Mar 14, 2026, 4:15 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Titanium 232.90.46.21.03.001 45.5mm

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean features a titanium case and is part of the 8500 series.

Condition: Excellent
Case size: 45.5mm diameter
Warranty status: factory valid through MAY 2028

Posted at

Mar 14, 2026, 4:13 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean “Creamsicle” 215.30.44.21.04.001

Omega - 215.30.44.21.04.001 · $4,598

The Omega Seamaster Planet Ocean 600M 'Creamsicle' features a 43.5mm stainless steel case, crisp white lacquered dial, and a unique orange ceramic bezel.

Condition: Pre-owned with minor signs of wear
Case diameter: 43.5mm
Water resistance: 600m

Posted at

Mar 14, 2026, 1:47 PM

Active

View listing on r/WatchExchange

2024 Omega Seamaster Planet Ocean Summer Blue 39.5mm 215.30.40.20.03.002 B+P

Omega - 215.30.40.20.03.002 · $5,900

The Omega Seamaster Planet Ocean Summer Blue brings a fresh and vibrant twist to a serious dive watch, featuring Omega's striking Summer Blue dial and a clean stainless steel case on bracelet.

Condition: Excellent (96%)
Case material: Stainless Steel
Bezel material: Blue
Diameter: 39.5mm

Posted at

Mar 14, 2026, 11:06 AM

Active

View listing on r/WatchExchange

2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

Omega - 215.30.44.22.01.001 · $5,700

2021 Omega Seamaster Planet Ocean 'Oreo' GMT is a luxury watch with minor wear on the case.

Condition: Very Good Condition
Case Wear: Minor
Box Condition: Outer white box flap is loose
Accessories: Double Box,All 3 Omega Cards (Warranty dated 6/8/21),Hangtag, Manual, Customer Service papers,Extra Black/white Rubber Strap

Posted at

Apr 4, 2025, 3:36 PM

Active

View listing on RolexForums