Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

Reference 2906.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

About this watch

The Omega Seamaster Planet Ocean 2906.50.38 is a masterpiece of horology that embodies the perfect blend of style, functionality, and durability. This stunning timepiece features a round case measuring 45.5 mm in diameter, crafted from a combination of white gold and stainless steel, which provides exceptional strength and scratch resistance. The gem-set bezel adds a touch of luxury, while the blue dial made of mother-of-pearl reflects light beautifully, giving it a dynamic appearance that changes with movement. The Omega Caliber 2500 automatic movement is a marvel of engineering, boasting a frequency of 25,200 vibrations per hour and chronometer certification for accuracy and precision. With a water resistance of 600 meters, this watch is ready for any aquatic adventure you can think of. Whether you're diving into the ocean or attending a business meeting, the Seamaster Planet Ocean fits right in, thanks to its versatile design and high-quality stainless steel bracelet that feels secure and comfortable on the wrist.

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Key Features

Omega Caliber 2500 automatic movement
Chronometer certification
Water resistance of 600 meters
Gem-set bezel
Blue mother-of-pearl dial
Sapphire glass
Stainless steel and white gold construction

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

Reference

2906.50.38

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 “Good Planet”

Omega - 232.32.44.22.03.001 · $4,975

The Omega Planet Ocean GMT ‘Good Planet’ edition is a special version of the watch with a blue dial and orange accents, available in a 43.5mm case. The watch features a robust and comfortable design with pops of color.

Condition: Very good condition
Case size: 43.5mm diameter
Depth rating: 200m

Posted at

Jan 22, 2026, 12:49 PM

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Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $3950

Omega - 215.30.44.21.03.001 · $3,950

This Omega Seamaster Planet Ocean features a 43.5mm stainless steel case, blue ZrO₂ ceramic dial, and ceramic bezel, powered by the Caliber 8900 Co-Axial Master Chronometer movement.

Condition: Excellent overall with light surface wear and minor hairlines
Case size: 43.5mm diameter
Water resistance: 600m/2000ft
Movement: Caliber 8900 Co-Axial Master Chronometer

Posted at

Jan 21, 2026, 3:38 PM

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Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm · $3,500

A Omega Seamaster Planet Ocean 45.5mm watch for sale, with additional details including box, papers, and various straps.

Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
Water Resistance: 600 meters
Movement: Caliber 2500, Co-Axial Escapement, Chronometer

Posted at

Jan 20, 2026, 5:42 PM

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Omega Seamaster Planet Ocean 600M - Blue Ceramic 43.5mm - Complete Set

Omega - 21530442103001 · $4,500

The Omega Seamaster Planet Ocean 600M is a robust dive watch with a depth rating of 600 meters, featuring a blue ceramic dial and unidirectional bezel.

Condition: Unworn/mint condition
Case size: 43.5mm diameter
Depth rating: 2000 feet / 60 bar
Movement: Omega Calibre 8900 automatic chronometer

Posted at

Jan 20, 2026, 2:45 PM

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Like NEW 2025 Omega Seamaster Planet Ocean 4th Gen | Pristine Full Kit | Save $1,250+ off MSRP! 🔥 $7,349

Omega - 217.32.42.21.01.002 · $7,349

The Omega Seamaster Planet Ocean 4th Gen, a brand new no-date and no-Hev model that was only worn for a day, offers 600m water resistance and a 42mm case size.

Condition: MINT
Water resistance: 600m
Case size: 42mm
Depth rating: 600m

Posted at

Jan 19, 2026, 1:50 PM

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Omega Seamaster Planet Ocean 21 mm bracelet- brand new | never worn

Omega - Planet Ocean · $575

Selling a brand new Omega Planet Ocean with a stainless steel bracelet that has never been installed.

Condition: Brand new / never worn
Bracelet width: 21mm
Payment methods: Zelle, PayPal

Posted at

Jan 19, 2026, 12:44 PM

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OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

OMEGA - 215.92.46.22.01.004 · $7,571

A powerhouse professional diver crafted in black ceramic featuring 600m water resistance, GMT functionality, and Omega's Master Chronometer movement built for extreme performance and precision.

Condition: Excellent
Case: 46mm diameter
Dial: Black
Bezel: Black

Posted at

Jan 18, 2026, 2:05 PM

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