Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 18 Sapphires

Reference 2904.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 18 Sapphires

About this watch

The Omega Seamaster Planet Ocean 2904.50.38 is a stunning luxury watch that combines technical prowess with elegant design. Its round case with a diameter of 45.5 mm boasts a bold and eye-catching presence on the wrist. The blue dial, complemented by a gem-set bezel, creates an elegant contrast that is both sophisticated and sporty. Crafted from white gold and stainless steel, this watch exudes luxury and durability. The sapphire crystal glass is scratch-resistant, ensuring your watch remains pristine even after years of wear. At the heart of this timepiece is the Omega Caliber 2500, a reliable and accurate co-axial movement that promises to keep ticking accurately. With a frequency of 25,200 vibrations per hour and a power reserve of 48 hours, it's a marvel of engineering. The watch features an impressive water resistance of up to 600 meters, making it perfect for diving enthusiasts and water sports lovers. Its analog display is straightforward, making it easy to read the time at a glance. Additionally, the date function is a handy feature for those who like to keep track of the calendar without pulling out their phones.

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Key Features

Omega Caliber 2500 Co-Axial Movement
Water Resistance up to 600 meters
Sapphire Crystal Glass
Blue Mother of Pearl Dial

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 18 Sapphires

Reference

2904.50.38

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

Mint Condition Omega Seamaster Planet Ocean 600m 200.500.00 45.5mm Serviced by Omega

Omega - 200.500.00

This Omega Seamaster Planet Ocean is a high-end diving watch with impressive features.

Condition: Mint Condition
Depth rating: 600m
Size: 45.5mm diameter

Posted at

Feb 5, 2026, 9:36 AM

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Omega Seamaster Planet Ocean - 2209.50 - 42mm

Omega - 2209.50 · $2,695

A Omega Seamaster Planet Ocean watch ref: 2209.50, in a 42mm case size with orange bezel, available for sale.

Condition: Pre-owned with wear and vintage aesthetic
Case Size: 42mm
Bezel Color: orange

Posted at

Feb 4, 2026, 1:29 PM

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Omega Seamaster Planet Ocean. New generation with blue ceramic bezel.

Omega - 217.30.42.21.01.002 · $7,500

The Omega Seamaster Planet Ocean is a new generation watch with a blue ceramic bezel, featuring a metal bracelet.

Condition: Pre-owned, minor marks on clasp and links
Bracelet size: 7.1-inch (18 cm)
Warranty remaining: purchased with warranty card dated December 10, 2025
Receipt included: yes

Posted at

Feb 3, 2026, 10:02 AM

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Omega Seamaster Planet Ocean Chronograph full kit with warrenty

Omega - 215.30.46.51.01.001 · $4,799

A 2023 Omega Seamaster Planet Ocean Chronograph featuring jump hour capabilities, chronograph functions, helium escape valve, and 600M water resistance.

Condition: great shape with some wear on the bezel and bracelet
Water resistance: 600M
Diameter: 45.5mm

Posted at

Feb 3, 2026, 8:59 AM

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Omega Seamaster Planet Ocean 600m Worldtimer | ref. 215.92.46.22.01.007 | 2025 Complete

Omega - 215.92.46.22.01.007 · $11,000

This Omega Seamaster Planet Ocean 600m Worldtimer is a 45.5mm ceramic diver with a 2025 complete set, including a triple box set and travel case.

Condition: 10/10 - excellent condition with no flaws
Case Size: 45.5mm diameter
Depth Rating: 600m

Posted at

Feb 2, 2026, 12:50 PM

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Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,750

Selling a clean Omega Planet Ocean 2200.50 that James Bond wore in Casino Royale. The watch is a great example compared to other online comps and features very minimal wear on the bracelet, case, and clasp.

Condition: Great
Water Resistance: 300m water resistance
Case Diameter: 45.5mm diameter
Wrist Fit: fits up to 7.5 inch wrist

Posted at

Feb 2, 2026, 12:16 PM

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Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm · $3,500

For sale is my beloved Omega Planet Ocean 45.5mm watch, featuring a sapphire and ceramic bezel with a depth rating of 600 meters, powered by an in-house Caliber 2500 movement.

Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
Case size: 45.5mm
Water resistance: 600m
Bracelet material: steel

Posted at

Feb 2, 2026, 2:39 AM

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Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,599 Shipped

Omega - 215.32.46.51.99.001 · $4,599

A bold, modern professional dive chronograph featuring a 45.5mm stainless steel case, unidirectional red ceramic bezel, sapphire crystal, screw-down crown and pushers, and 600m / 2000ft water resistance.

Condition: Great overall
Case Size: 45.5mm diameter
Depth Rating: 2000ft water resistance

Posted at

Feb 1, 2026, 9:24 PM

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Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,795

This Omega Seamaster Planet Ocean GMT features a 43.5mm case size and has been well-maintained, showing only light scratches on the clasp and bracelet.

Condition: Very good, with minor wear
Size: 43.5mm diameter
Bracelet condition: Light scratches

Posted at

Feb 1, 2026, 4:58 PM

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