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

Reference 232.30.46.21.01.001

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

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 600M 42mm | 232.30.42.21.01.003 | 2023 Full Set

Omega Seamaster Planet Ocean 600M 42mm | 232.30.42.21.01.003 | 2023 Full Set

Omega - 232.30.42.21.01.003 · $3,950
This Omega Seamaster Planet Ocean 600M features the in-house Omega Co-Axial Caliber 8500 automatic movement, ceramic bezel, and impressive 600 meters of water resistance.

  • Condition: Excellent Condition
  • Movement: in-house Omega Co-Axial Caliber 8500
  • Depth rating: 600m
Posted at
May 25, 2026, 6:20 PM
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[WTS] 2026 Omega Seamaster Planet Ocean 600M Black Dial Box Papers + OEM Bracelet!

2026 Omega Seamaster Planet Ocean 600M Black Dial Box Papers + OEM Bracelet!

Omega - 217.30.42.21.01.001 · $7,300
2026 Omega Seamaster Planet Ocean 600M in excellent like-new condition, comes with inner & outer box, warranty card, and manual.

  • Condition: Excellent like-new condition
  • Box Papers: yes, inner & outer box, warranty card, and manual
  • Bracelet: stainless steel
  • Strap: rubber
Posted at
May 24, 2026, 10:36 AM
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[wts] Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UnderWarranty

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UnderWarranty

Omega - 232.32.44.22.01.002 · $4,600
This Omega Seamaster Planet Ocean GMT is a 43.5mm watch with a factory warranty valid through November 2027.

  • Condition: Excellent condition
  • Diameter: 43.5mm
Posted at
May 23, 2026, 8:28 AM
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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
A 43.5mm Omega Seamaster Planet Ocean GMT GoodPlanet watch, in excellent condition, with boxes and papers.

  • Condition: Excellent condition
  • Diameter: 43.5mm
Posted at
May 23, 2026, 8:20 AM
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[WTS][US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

[US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,525
This Omega Seamaster Planet Ocean Chrono is a high-end diver's watch featuring a black dial and 600m depth rating.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
May 23, 2026, 5:26 AM
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[WTS] Omega Seamaster Planet Ocean 232.30.38.20.01.001 38mm Box and Papers - $2,990

Omega Seamaster Planet Ocean 232.30.38.20.01.001 38mm Box and Papers - $2,990

Omega - 232.30.38.20.01.001 · $2,990
Up for sale is my Omega Seamaster Planet Ocean 232.30.38.20.01.001, a 38mm automatic watch with an Omega 8520 movement.

  • Condition: Great condition for its age, minimal marks/hairlines
  • Case Size: 38mm diameter
  • Movement: Omega 8520, automatic
  • Bracelet Length: fits up to 7-7.25 inch wrists depending on wrist shape
Posted at
May 22, 2026, 4:13 AM
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[WTS] 2024 Omega Seamaster Planet Ocean 600M 43.5mm Black 232.30.44.22.01.001 Full Set - $4,595

2024 Omega Seamaster Planet Ocean 600M 43.5mm Black 232.30.44.22.01.001 Full Set - $4,595

Omega - 232.30.44.22.01.001 · $4,595
Up for sale is a Omega Seamaster Planet Ocean 600M 43.5mm Black, reference 232.30.44.22.01.001 from 2024.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case size: 43.5mm
  • Depth rating: 600m
Posted at
May 21, 2026, 7:37 PM
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[WTS] 2019 Omega Seamaster Planet Ocean 600M 43.5mm Black 215.30.44.21.01.001 Full Set - $4,595

2019 Omega Seamaster Planet Ocean 600M 43.5mm Black 215.30.44.21.01.001 Full Set - $4,595

Omega - 215.30.44.21.01.001 · $4,595
A black Omega Seamaster Planet Ocean 600M in excellent condition, available for sale.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 43.5mm
  • Depth rating: 600m
Posted at
May 21, 2026, 7:35 PM
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[WTS] Omega Seamaster Planet Ocean 37.5mm

Omega Seamaster Planet Ocean 37.5mm

Omega - 232.90.38.20.03.001 · $3,600
This Omega Seamaster Planet Ocean is a 37.5mm titanium watch that feels proportionate on smaller wrists while maintaining its character.

  • Condition: Honest wearable condition with minor marks on the bezel and crown
  • Movement: Omega 8520 Co-Axial Chronometer
  • Power reserve: 50 hours
  • Case material: Grade 5 Titanium
Posted at
May 21, 2026, 12:45 AM
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