Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 43.5 Master Chronometer Titanium / Grey / Bracelet

Reference 215.90.44.21.99.001

About this watch

The Omega Seamaster Planet Ocean 215.90.44.21.99.001 is a luxurious dive watch that combines style, functionality, and cutting-edge technology. Its 43.5 mm round case crafted from lightweight titanium enhances durability and adds a modern touch to its appearance. The grey color of the case complements the deep oceanic tones of the watch face, creating a sophisticated look that stands out without being overly flashy. The dial is a masterpiece in itself, showcasing a mix of indexes that enhance readability while adding depth to the design. The arrow-shaped hands are not only stylish but also functional, ensuring you can read the time with ease even in low light conditions. One of the standout features of this watch is its sapphire crystal glass, which is scratch-resistant and ensures maximum clarity. The Omega caliber 8900 automatic movement boasts a host of impressive features, including METAS certification, magnetic resistance, and a power reserve of 60 hours. This watch is built to handle the pressure of the deep, with an incredible water resistance of up to 600 meters. Whether you're snorkeling, scuba diving, or simply enjoying a swim, this watch is a trustworthy companion for your underwater adventures. Its versatile design makes it suitable for both formal events and casual outings, and its lightweight titanium construction ensures comfort even during extended wear.
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MSRP: $9,200
Market Price: $5,635

Key Features

  • 43.5 mm round case made from lightweight titanium
  • Sapphire crystal glass with scratch-resistant coating
  • Omega caliber 8900 automatic movement with METAS certification and magnetic resistance
  • 60-hour power reserve
  • 600m water resistance
  • Lightweight titanium construction for comfort and durability
  • Versatile design suitable for formal events and casual outings

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 43.5 Master Chronometer Titanium / Grey / Bracelet
Reference
215.90.44.21.99.001
Movement
8900
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
43.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
600

Current Listings

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

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

This Omega Seamaster Planet Ocean GMT has a 43.5mm size and is in very good condition, showing light scratches on the clasp and bracelet.

  • Condition: Very good condition with minor wear
  • Size: 43.5mm diameter
  • Depth Rating: 300m water resistance
Posted at
Feb 18, 2026, 11:58 AM
Active
[WTS] Omega Seamaster Planet Ocean Black dial 39.5mm $4000

Omega Seamaster Planet Ocean Black dial 39.5mm $4000

This Omega Seamaster Planet Ocean features a black dial and 39.5mm case size, kept great time for almost two years.

  • Condition: Great condition, minor hairline clasps
  • Year of purchase: 2024
Posted at
Feb 18, 2026, 9:31 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA - 215.30.46.21.03.002 · $12,000
This commercially available OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 represents the pinnacle of deep-sea engineering, featuring a 45.5mm case made from O-MEGASTEEL and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: [UNWORN]
  • Material: O-MEGASTEEL
  • Diameter: 45.5mm
  • Depth rating: 6000m
Posted at
Feb 17, 2026, 11:07 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: [VERY GOOD] Few superficial scratches on case.
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Feb 17, 2026, 11:06 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

This is a 2025 Omega Seamaster Planet Ocean 6000M Summer Blue, one of the most beautiful dive watches seen with a black lacquered dial and rotating dive bezel.

  • Condition: Excellent pre-owned condition
  • Case Material: O-MEGASTEEL
  • Bezel: Stainless Steel Rotating Dive Bezel with Black Ceramic Insert
  • Dial Description: Black Lacquered Dial with Texture Representing The Challenger Deep
Posted at
Feb 17, 2026, 8:15 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

The Omega Seamaster Planet Ocean GMT 'Oreo' features a 43mm case and Calibre 8906 movement. It comes with a leather/rubber mixed strap and has a clean crystal.

  • Condition: Great preowned condition, some light normal wear scratches on lugs and case
  • Case size: 43mm
  • Water resistance: 600m
Posted at
Feb 16, 2026, 5:41 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega - 2209.50 · $2,650
A pre-owned Omega Seamaster Planet Ocean ref: 2209.50, available in a 42mm case size with an orange bezel, part of the planet ocean line, designed for divers.

  • Condition: Pre-owned with signs of wear, giving it a vintage aesthetic
  • Case Size: 42mm diameter
  • Bezel Color: orange
Posted at
Feb 16, 2026, 2:20 PM
Active
[WTS] Omega Seamaster Planet Ocean

Omega Seamaster Planet Ocean

A brand new, stickered 4th generation Omega Seamaster Planet Ocean with a black dial and blue bezel combination on the bracelet.

  • Condition: Brand new, unworn
  • Dial color: black
  • Bezel color: blue
Posted at
Feb 15, 2026, 3:57 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a 45.5mm black dial and 600m water resistance.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Feb 15, 2026, 9:46 AM
Active