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

Omega Seamaster Planet Ocean 39.5

Omega - 215.33.40.20.01.001 · $3,750

This Omega Seamaster Planet Ocean 39.5 is a high-quality watch with near perfect timekeeping and excellent condition.

Condition: excellent, lightly worn
Depth rating: 200m

Posted at

Aug 28, 2025, 5:28 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50

Omega - 2201.50 · $2,599

The Omega Seamaster Planet Ocean is a high-end diving watch with a 42mm case size, suitable for formal and casual wear.

Bracelet Length: 7 inches
Case Size: 42mm

Posted at

Aug 28, 2025, 3:20 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Summer Blue 39.5mm 215.30.40.20.03.002 2024 Set

Omega - 215.30.40.20.03.002 · $5,500

This is a 2024 Omega Seamaster Planet Ocean Summer Blue, complete with its original accessories and in excellent condition. The watch features a 39.5mm case size and a summer blue dial.

Condition: Excellent Preowned
Case scratches: minor
Bracelet wear: light in clasp
Depth rating: 200m

Posted at

Aug 28, 2025, 11:50 AM

Active

View listing on r/WatchExchange