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][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

This Omega Seamaster Planet Ocean is a 45.5mm watch with a black dial and features a depth rating of 600m.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case Diameter: 45.5mm
  • Water Resistance: 600m
Posted at
Apr 30, 2026, 7:37 AM
Active
[WTS] Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set

Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set

This Omega Seamaster Planet Ocean 45.5mm is a bold dive watch with strong wrist presence and Omega’s proven Co-Axial movement, built for durability and performance.

  • Condition: Good overall condition
  • Case size: 45.5mm
  • Movement type: Omega Co-Axial automatic
  • Crystal material: Sapphire crystal
Posted at
Apr 28, 2026, 12:46 PM
Active
[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

Up for sale is an Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic, minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m
  • Depth rating: 600m
Posted at
Apr 23, 2026, 8:34 AM
Active
[WTS] Omega Seamaster Planet Ocean. Box, Card.  232.32.46.21.01.003.

Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

This Omega Seamaster Planet Ocean is being sold with its original box and card.

  • Box: true
  • Card: true
Posted at
May 2, 2026, 1:35 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

This Omega Seamaster Planet Ocean 600m Titanium Blue is a 2025 model, reference number 232.92.44.22.03.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
May 2, 2026, 12:45 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 | 42mm | Full Set | Very Good Condition $3700

Omega Seamaster Planet Ocean 2201.50 | 42mm | Full Set | Very Good Condition $3700

Omega - 2201.50 · $3,700
For sale is an Omega Seamaster Planet Ocean 2201.50, one of Omega’s most respected modern divers and an outstanding value in luxury sports watches.

  • Condition: Very Good Condition
  • Case size: 42mm
  • Water resistance: 600M
  • Movement type: Omega Co-Axial automatic movement
Posted at
May 2, 2026, 8:01 AM
Active
[wts] RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

Omega - 2200.50.00 · $3,590
This Omega Seamaster Planet Ocean is a rare model featuring a 45.5mm case, making it a unique and eye-catching timepiece.

  • Condition: Excellent
  • Case Diameter: 45.5mm
Posted at
May 1, 2026, 10:22 PM
Active
[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

The Omega Seamaster Planet Ocean 8900 Blue features a 43.5mm case size and is still under warranty until November 2028.

  • Warranty Valid Through: NOV 2028
  • Shipping Method: FedEx
  • Available Payment Methods: Zelle, Venmo, Wire, Apple Pay
Posted at
May 1, 2026, 10:20 PM
Active
[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

This Omega Seamaster Planet Ocean is a 43.5mm model under warranty until September 2028, complete with its boxes in great condition.

  • Condition: like new
  • Warranty Valid Until: SEP 2028
  • Boxes Condition: great
Posted at
May 1, 2026, 10:18 PM
Active