Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Rubber

Reference 2900.50.81

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Rubber

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 2900.50.81 is a masterpiece of Swiss craftsmanship, embodying the essence of diving heritage and luxury. This watch boasts an impressive water resistance of up to 600 meters, making it perfect for professional divers and those who enjoy aquatic sports. The bold design features a black dial with mixed indexes, creating a striking contrast against the stainless steel case. The rotating bezel, marked from 0 to 60, allows divers to track their immersion time accurately. At the heart of this watch is the Omega caliber 2500 movement, a marvel of engineering that offers a power reserve of up to 48 hours and a frequency rate of 25,200 vibrations per hour. With its Co-Axial escapement, this movement reduces friction between parts and enhances precision. The Seamaster Planet Ocean is a certified chronometer, undergoing rigorous testing to ensure its accuracy. Whether you're diving into the ocean or attending a formal event, this watch adapts seamlessly to any occasion. Its simple yet effective layout makes reading the time a breeze, while the luminous hands ensure readability in low-light conditions.

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MSRP: $4,400

Market Price: $3,328

Key Features

Omega caliber 2500 movement
600 meters water resistance
Stainless steel case with rotating bezel
Sapphire glass for scratch resistance
Black dial with mixed indexes and luminous hands
45.5 mm diameter for a robust presence on the wrist
Co-Axial escapement for reduced friction and enhanced precision

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Rubber

Reference

2900.50.81

Movement

2500

Movement Features

Hours, Minutes, Seconds
Date
Co-Axial Escapement, Chronometer

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

2019 Omega Seamaster Planet Ocean GMT “GoodPlanet” Ref. 232.30.44.22.03.001 | Complete Set

Omega - 232.30.44.22.03.001 · $4,995

The Omega Seamaster Planet Ocean GMT 'GoodPlanet' features a blue dial with an orange GMT hand and ceramic bezel, giving it a distinctive look while still being a serious dive watch.

Condition: Excellent pre-owned condition
Movement: Omega Calibre 8605 automatic GMT
Power reserve: ~60 hours
Water resistance: 600m depth rating

Posted at

Mar 6, 2026, 2:52 PM

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