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

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a black dial and a 45.5mm case.

Condition: Fantastic with minor hairlines on case, clasp, or bracelet
Case Diameter: 45.5mm
Depth Rating: 600m

Posted at

Apr 16, 2026, 7:50 AM

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Omega Seamaster Planet Ocean 45.5mm Black Dial Stainless 232.30.46.21.01.001

Omega - 232.30.46.21.01.001 · $4,020

The Omega Seamaster Planet Ocean 600M is a rugged yet stylish dive watch built for adventure, featuring a 45.5 mm stainless steel case and a bold black dial with luminous hands and markers.

Condition: Excellent pre-owned
Bracelet size: 7.75 inches
Case condition: Little to no wear
Bezel condition: Little to no wear

Posted at

Apr 9, 2026, 12:40 PM

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[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,525

This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

Condition: Fantastic, minor hairlines on case, clasp, or bracelet
Case diameter: 45.5mm
Water resistance: 600m

Posted at

Apr 9, 2026, 7:53 AM

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Omega Seamaster Planet Ocean 600M 43.5mm (Ref. 215.30.44.21.01.002) - Full Kit

Omega - 215.30.44.21.01.002 · $2,700

A Omega Planet Ocean 600M with a 43.5mm case, orange accents on the bezel and incredible karma for its owner.

Condition: Excellent
Bracelet material: Steel
Comes with: all boxes and cards

Posted at

Apr 22, 2026, 2:27 PM

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🏒🥅🚨 2026 Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer — Unworn, White Dial, Orange Bezel — Full Set — Ref. 215.30.44.21.04.001

Omega - 215.30.44.21.04.001 · $6,950

The 2026 Omega Seamaster Planet Ocean 600M pairs a crisp white dial with a vibrant orange bezel for a bold, modern dive watch aesthetic that still feels classically Omega.

Condition: Unworn
Case Size: 43.5 mm
Water Resistance: 600 m
Movement: Master Chronometer

Posted at

Apr 21, 2026, 10:38 PM

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OMEGA Seamaster Planet Ocean 600m 215.32.44.21.01.001 43.5mm

Omega - 215.32.44.21.01.001 · $5,000

This Omega Seamaster Planet Ocean 600M features a 43.5mm case size with a sapphire crystal and an Omega Co-Axial Master Chronometer (Cal. 8900) movement.

Condition: Good, unpolished
Case size: 43.5mm diameter
Movement: Omega Co-Axial Master Chronometer (Cal. 8900)
Crystal: Sapphire

Posted at

Apr 21, 2026, 2:39 PM

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Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega - 2201.51 · $2,850

The Omega Seamaster Planet Ocean 2201.51 is an automatic watch with a 42mm steel case, on original Omega steel bracelet.

Condition: Very good condition, minimal marks/hairlines
Case size: 42mm
Bracelet length range: 7-7.25 inches

Posted at

Apr 21, 2026, 4:08 AM

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Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

Omega - 232.90.42.21.03.001 · $4,950

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium case, and bracelet, with an Omega Calibre 8500 automatic chronometer.

Condition: Mint
Case size: 42mm diameter
Bracelet material: titanium
Water resistance: 600m / 2000ft

Posted at

Apr 20, 2026, 11:18 AM

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Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600

This Omega Seamaster Planet Ocean Orange 8500 features a gray bezel that was swapped for an OEM orange one, and comes with a new style mesh/milanese bracelet.

Condition: Near mint
Bracelet type: OEM mesh/milanese
Bezel color: orange
Original strap color: black

Posted at

Apr 18, 2026, 10:58 PM

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