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

Reference 2900.50.81

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

[wts] Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 43.5mm

Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 43.5mm

This Omega Seamaster Planet Ocean GMT Good Planet features a 43.5mm case size and comes with its original box and papers.

  • Condition: Good condition
  • Case Size: 43.5mm
Posted at
Oct 31, 2025, 1:24 PM
Active
[wts] Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

This Omega Seamaster Planet Ocean Chronograph features a 45mm case diameter, a unidirectional rotating bezel, and a date display at the 3 o'clock position.

  • Condition: Great condition
  • Water resistance: 200m depth rating
  • Warranty: valid through NOV 2027
Posted at
Oct 31, 2025, 1:20 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Titanium 232.90.46.21.03.001 45.5mm under warranty

Omega Seamaster Planet Ocean 8500 Titanium 232.90.46.21.03.001 45.5mm under warranty

This Omega Seamaster Planet Ocean 8500 Titanium is a 45.5mm watch that comes with factory warranty valid until November 2027.

  • Condition: Excellent condition
  • Case size: 45.5mm diameter
  • Warranty expiration date: NOV 2027
Posted at
Oct 31, 2025, 1:18 PM
Active