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.
Buy Now on Jomashop
This is an affiliate link
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 Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

This listing is for an Omega Seamaster Planet Ocean Chronograph, a high-end diving watch with a 45.5mm case diameter and various features.

  • Condition: Excellent condition
  • Case size: 45.5mm
  • Shipping method: FedEx
Posted at
Jan 23, 2026, 3:46 AM
Active
[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

This Omega Seamaster Planet Ocean is a 45.5mm watch with a full set.

  • Condition: great condition
  • Length: 45.5mm diameter
Posted at
Jan 23, 2026, 1:06 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This Omega Seamaster Planet Ocean is a 45.5mm watch with factory warranty valid through November 2027.

  • Condition: Exceptional
  • Case size: 45.5mm
  • Warranty expiration date: November 2027
Posted at
Jan 23, 2026, 1:03 AM
Active
[WTS] Omega Seamaster Planet Ocean “Good Planet”

Omega Seamaster Planet Ocean “Good Planet”

The Omega Planet Ocean GMT ‘Good Planet’ edition is a special version of the watch with a blue dial and orange accents, available in a 43.5mm case. The watch features a robust and comfortable design with pops of color.

  • Condition: Very good condition
  • Case size: 43.5mm diameter
  • Depth rating: 200m
Posted at
Jan 22, 2026, 12:49 PM
Active
[WTS] Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $3950

Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $3950

This Omega Seamaster Planet Ocean features a 43.5mm stainless steel case, blue ZrO₂ ceramic dial, and ceramic bezel, powered by the Caliber 8900 Co-Axial Master Chronometer movement.

  • Condition: Excellent overall with light surface wear and minor hairlines
  • Case size: 43.5mm diameter
  • Water resistance: 600m/2000ft
  • Movement: Caliber 8900 Co-Axial Master Chronometer
Posted at
Jan 21, 2026, 3:38 PM
Active
[WTS] Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega Seamaster Planet Ocean 45.5mm Full Kit

A Omega Seamaster Planet Ocean 45.5mm watch for sale, with additional details including box, papers, and various straps.

  • Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
  • Water Resistance: 600 meters
  • Movement: Caliber 2500, Co-Axial Escapement, Chronometer
Posted at
Jan 20, 2026, 5:42 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M - Blue Ceramic 43.5mm - Complete Set

Omega Seamaster Planet Ocean 600M - Blue Ceramic 43.5mm - Complete Set

Omega - 21530442103001 · $4,500
The Omega Seamaster Planet Ocean 600M is a robust dive watch with a depth rating of 600 meters, featuring a blue ceramic dial and unidirectional bezel.

  • Condition: Unworn/mint condition
  • Case size: 43.5mm diameter
  • Depth rating: 2000 feet / 60 bar
  • Movement: Omega Calibre 8900 automatic chronometer
Posted at
Jan 20, 2026, 2:45 PM
Active
[WTS] Like NEW 2025 Omega Seamaster Planet Ocean 4th Gen | Pristine Full Kit | Save $1,250+ off MSRP! 🔥 $7,349

Like NEW 2025 Omega Seamaster Planet Ocean 4th Gen | Pristine Full Kit | Save $1,250+ off MSRP! 🔥 $7,349

The Omega Seamaster Planet Ocean 4th Gen, a brand new no-date and no-Hev model that was only worn for a day, offers 600m water resistance and a 42mm case size.

  • Condition: MINT
  • Water resistance: 600m
  • Case size: 42mm
  • Depth rating: 600m
Posted at
Jan 19, 2026, 1:50 PM
Active
[WTS] Omega Seamaster Planet Ocean 21 mm bracelet- brand new | never worn

Omega Seamaster Planet Ocean 21 mm bracelet- brand new | never worn

Omega - Planet Ocean · $575
Selling a brand new Omega Planet Ocean with a stainless steel bracelet that has never been installed.

  • Condition: Brand new / never worn
  • Bracelet width: 21mm
  • Payment methods: Zelle, PayPal
Posted at
Jan 19, 2026, 12:44 PM
Active