Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Titanium / Grey / Bracelet

Reference 215.90.46.51.99.001

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph is a luxury timepiece that combines precision, style, and adventure. Its striking grey titanium case and bold sporty look make it a standout choice for watch enthusiasts and casual wearers alike. The watch measures 45.5 mm in diameter and features a light and strong titanium bracelet with an adjustable link design for comfort. Powered by the Omega caliber 9900 automatic movement, this timepiece boasts a Co-Axial Escapement and METAS certification for accuracy and magnetic resistance. With a water resistance of up to 600 meters, it's perfect for diving and everyday use. The unidirectional rotating bezel allows for accurate tracking of dive times, while the chronograph feature with column wheel mechanism enables precise timing. The dial is protected by scratch-resistant sapphire crystal and features a modern grey color with mixed indexes for easy readability. Wearing the Seamaster Planet Ocean 600M is a delight, as it's both comfortable and stylish, making it a versatile accessory that can be paired with casual or formal attire.
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Key Features

  • 45.5mm diameter titanium case
  • Co-Axial Escapement movement
  • METAS certified for accuracy and magnetic resistance
  • 600m water resistance
  • Unidirectional rotating bezel
  • Chronograph feature with column wheel mechanism
  • Scratch-resistant sapphire crystal dial

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Titanium / Grey / Bracelet
Reference
215.90.46.51.99.001
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
45.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean 600M – Ref. 215.30.44.21.01.001 – Full Set / Retail Ready / $4,300 Shipped

Omega Seamaster Planet Ocean 600M – Ref. 215.30.44.21.01.001 – Full Set / Retail Ready / $4,300 Shipped

Up for sale is my beautiful Omega Seamaster Planet Ocean 600M, a 43.5 mm diver that combines luxury design with serious tool-watch performance.

  • Condition: Excellent / Retail Ready (Cleaned & Inspected)
  • Case Size: 43.5mm
  • Case Material: Stainless Steel
  • Bezel Type: Black Ceramic
Posted at
Oct 26, 2025, 12:45 PM
Active
[WTS]Excellent Omega Seamaster Planet Ocean 2208.50  Full Set Condition $2750 Shipped  SALE

Excellent Omega Seamaster Planet Ocean 2208.50 Full Set Condition $2750 Shipped SALE

Omega - 2208.50 · $2,750
This Omega Seamaster Planet Ocean is a stainless steel automatic watch with a 45mm case width, suitable for men's wrists up to 20cm.

  • Condition: Pre Owned, with little wear & marks
  • Case Width: 45mm (without crown)
  • Band Type: Stainless steel
  • Band Condition: Preowned
Posted at
Oct 26, 2025, 11:55 AM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega - 2200.50 · $2,799
The Omega Seamaster Planet Ocean Ref. 2200.50 is a Co-Axial dive model featuring a matte black dial with luminous broad-arrow hands, applied indices, and glossy black bezel.

  • Condition: Excellent overall with light surface hairlines on case and bracelet from normal wear
  • Case size: 45.5mm diameter
  • Water resistance: 600m / 2000ft depth rating
Posted at
Oct 23, 2025, 9:53 AM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega - 2218.50 · $2,499
This Omega Seamaster Planet Ocean Chronograph features a 45.5mm case and is equipped with a chronograph function. It has been used and could benefit from a service to improve its accuracy.

  • Condition: Pre-owned, minor scratches
  • Depth rating: 600m
  • Bracelet type: Aftermarket
  • Movement accuracy: -20 sec per day
Posted at
Oct 21, 2025, 5:48 PM
Active
[WTS] OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA - 2200.50 · $3,800
The OMEGA Seamaster Planet Ocean is a serious diver with a 45.5mm steel presence, black dial, and 600 meters of water resistance.

  • Condition: preowned with minor flaws (swirls on dial)
  • Bracelet material: SS
  • Water resistance: 600m
Posted at
Oct 21, 2025, 4:00 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M

OMEGA Seamaster Planet Ocean 600M

A brand new Omega Seamaster Planet Ocean 600M purchased from an Authorized Dealer in 2021, serviced by Omega in 2023 and showing normal light wear.

  • Condition: Excellent condition, lightly worn from desk use
  • Purchase Year: 2021
  • Serviced By: Omega
  • Bezel Replaced: due to slight looseness
Posted at
Oct 21, 2025, 2:31 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

The Omega Seamaster Planet Ocean 600M is a limited edition Skyfall watch with unique features such as Easter eggs and a handsome black dial. It's a supremely legible watch with a robust movement and impressive water resistance.

  • Condition: Excellent, serviced by Omega in August
  • Movement: In-house caliber 8507b, silicon balance spring
  • Water Resistance: 600m (~2000 feet)
  • Size: 42mm diameter
Posted at
Oct 19, 2025, 1:00 PM
Active