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

Reference 232.30.46.21.01.001

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 is a stunning piece that perfectly blends functionality with style. With its robust 45.5 mm round case, this watch commands attention without being overly ostentatious. The black dial is both sleek and functional, featuring mixed indexes that add a touch of sophistication while ensuring legibility. Crafted from high-quality stainless steel, the case is not only durable but also resistant to corrosion. Under the hood, the Seamaster Planet Ocean is powered by the in-house Omega caliber 8500, a marvel of engineering with 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement offers not just precision but also longevity, with an impressive 60-hour power reserve. The rotating bezel, marked from 0-60, is a crucial feature for divers, allowing you to keep track of elapsed time while underwater, ensuring your safety and enhancing your diving experience. With a water resistance of 600 meters, this watch is built for serious diving, making it an ideal companion for any underwater adventure.
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MSRP: $6,200
Market Price: $3,391

Key Features

  • 45.5 mm round case made from high-quality stainless steel
  • In-house Omega caliber 8500 movement with 39 jewels and 60-hour power reserve
  • Rotating bezel with dive scale from 0-60 for precise time measurement
  • Sapphire crystal glass for scratch resistance and clear visibility
  • Water resistance of 600 meters for serious diving capabilities

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Bracelet
Reference
232.30.46.21.01.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[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
[WTS] (Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

(Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

Planet Ocean model with a black face, 45.5mm case size, and excellent timegrapher numbers.

  • Condition: Excellent
  • Case Size: 45.5mm
Posted at
Oct 18, 2025, 1:32 AM
Active
[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

A near-mint Omega Seamaster Planet Ocean Orange 8500 in 45mm, featuring a gray bezel swapped for an OEM orange one and a new style OEM mesh/milanese bracelet.

  • Condition: Near mint
  • Bracelet Type: Mesh/Milanese
  • Bezel Color: Orange
Posted at
Oct 17, 2025, 9:24 PM
Active
[wts] Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

A Omega Seamaster Planet Ocean GMT Good Planet, featuring a 43.5mm case size.

  • Condition: Good
  • Case Diameter: 43.5mm
Posted at
Oct 17, 2025, 9:21 PM
Active