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

Reference 215.90.44.21.99.001

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

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 Titanium 232.92.44.22.03.001 43.5mm under warranty

Omega Seamaster Planet Ocean GMT Titanium 232.92.44.22.03.001 43.5mm under warranty

Omega - 232.92.44.22.03.001 · $5,200
This Omega Seamaster Planet Ocean GMT Titanium is a 43.5mm watch with factory warranty valid through AUG 2027.

  • Condition: Excellent condition
  • Model: Seamaster Planet Ocean GMT Titanium
  • Size: 43.5mm diameter
Posted at
May 16, 2026, 12:57 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 Orange🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500
This listing is for an Omega Seamaster Planet Ocean 8500, a watch with a 45.5mm case size.

  • Condition: Great
  • Case Diameter: 45.5mm
Posted at
May 16, 2026, 12:54 PM
Active
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[wts] Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500
This Omega Seamaster Planet Ocean 8500 features a 45.5mm case size and is available for sale in excellent condition, complete with all original accessories.

  • Condition: Excellent condition
  • Size: 45.5mm diameter
  • Case material: unknown
Posted at
May 15, 2026, 2:44 PM
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[wts] Omega Seamaster Planet Ocean GMT GoodPlanet 232.30.44.22.03.001 43.5mm

Omega Seamaster Planet Ocean GMT GoodPlanet 232.30.44.22.03.001 43.5mm

Omega - 232.30.44.22.03.001 · $4,900
This Omega Seamaster Planet Ocean GMT features a 43.5mm case and is available with its original boxes and papers.

  • Condition: Excellent
  • Case Diameter: 43.5mm
Posted at
May 15, 2026, 2:41 PM
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[WTS] Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,695

Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,695

Omega - 232.92.42.21.03.001 · $4,695
  • Case material: titanium
  • Case size: 42mm
Posted at
May 15, 2026, 9:16 AM
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[WTS] Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega - 2200.51 · $3,995
This Omega Seamaster Planet Ocean features a 45mm stainless steel case, black dial and bezel, Co-Axial Caliber 2500 automatic movement, and 600m water resistance. It is a great everyday diver with strong build quality and classic design.

  • Condition: Very clean overall with light wear consistent with age
  • Case size: 45mm diameter
  • Movement type: Co-Axial Caliber 2500
  • Water resistance depth: 600m
Posted at
May 15, 2026, 9:11 AM
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[WTS] Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega - 215.30.44.21.01.001 · $4,650
The Omega Planet Ocean is a high-end diver's watch with a 43.5mm case, featuring a Master Chronometer certification and 600M water resistance.

  • Condition: Great Pre-Owned
  • Case Size: 43.5mm diameter
  • Depth Rating: 600m
  • Water Resistance: 30ATM
Posted at
May 14, 2026, 7:41 PM
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,400
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m depth rating
Posted at
May 14, 2026, 7:19 AM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega - Planet Ocean 2201.51 · $2,690
This Omega Seamaster Planet Ocean 2201.51 is a 42mm automatic watch with an Omega Calibre 2500 movement. It has a steel case and original Omega steel bracelet.

  • Condition: Very good condition, with minimal marks/hairlines on case and bracelet
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Crystal type: AR Coating
Posted at
May 14, 2026, 4:30 AM
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