Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / Black / Bracelet

Reference 232.15.42.21.01.001

Omega Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / Black / Bracelet

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a masterpiece of luxury watchmaking. This stunning timepiece is designed for serious divers and watch enthusiasts alike, combining elegance with functionality. The case is crafted from high-quality stainless steel, giving it a robust yet refined look. With a diameter of 42mm, it finds the perfect balance between presence and wearability. The round shape is classic, ensuring that it never goes out of style, while the gem-set bezel adds a touch of extravagance that sets it apart from other diving watches. The black dial features mixed indexes and arrow hands that make reading the time a breeze. The layout is clean and practical, embodying the perfect blend of function and form. Whether you’re underwater or at a formal event, this watch makes an impression without being over the top. At the heart of the Seamaster Planet Ocean 600M lies the Omega caliber 8500, an in-house automatic movement that's nothing short of revolutionary. With two barrels providing a generous 60-hour power reserve, you won't have to worry about winding it frequently. The movement’s precision is further enhanced by its Co-Axial escapement, which reduces friction between components, ensuring longevity and accuracy. One of the standout features of this watch is its impressive water resistance of up to 600 meters (or 2,000 feet). Whether you’re a professional diver or just love the ocean, this watch is designed to withstand the pressures of deep-water exploration. With a helium escape valve and a screw-in crown, it’s ready for any aquatic adventure. The Seamaster Planet Ocean 600M comes with a stainless steel bracelet that feels as good as it looks. It’s sturdy yet comfortable, with a secure clasp that ensures it stays on your wrist no matter what you’re doing. Plus, the bracelet is adjustable, so you can find that perfect fit without any hassle. This watch is incredibly versatile. Dress it up for a formal event or wear it casually on a weekend adventure. The black dial and stainless steel bracelet can easily complement a suit or a t-shirt and shorts. You’ll find yourself reaching for it time and time again.

Buy Now on Jomashop

This is an affiliate link

MSRP: $17,200

Market Price: $6,960

Key Features

Omega caliber 8500 in-house automatic movement
600 meter water resistance
42mm diameter stainless steel case
Gem-set bezel with black dial
Co-Axial escapement for enhanced precision and longevity
Helium escape valve and screw-in crown
Adjustable stainless steel bracelet

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / Black / Bracelet

Reference

232.15.42.21.01.001

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean “Good Planet”

Omega - 232.32.44.22.03.001 · $4,975

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

View listing on r/WatchExchange

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

Omega - 215.30.44.21.03.001 · $3,950

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

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm · $3,500

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

Omega - 217.32.42.21.01.002 · $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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

OMEGA - 215.92.46.22.01.004 · $7,571

A powerhouse professional diver crafted in black ceramic featuring 600m water resistance, GMT functionality, and Omega's Master Chronometer movement built for extreme performance and precision.

Condition: Excellent
Case: 46mm diameter
Dial: Black
Bezel: Black

Posted at

Jan 18, 2026, 2:05 PM

Active

View listing on r/WatchExchange