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.

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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 600M 232.30.42.21.01.003 | 2024 Full Set

Omega - 232.30.42.21.01.003 · $3,750

A 2024 Omega Seamaster Planet Ocean 600M in great condition, with a mark on the crystal near the 9 o'clock marker.

Condition: Pre-Owned, Great Condition with minor mark on the crystal
Serial number: 310+ AMP
Service history: Unknown
Adjustment: +3 seconds per day

Posted at

Jan 27, 2026, 11:35 PM

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2025 Omega Seamaster Planet Ocean 600m Green Bezel 215.32.44.21.06.001 Full Set

Omega - 215.32.44.21.06.001 · $5,600

This is an Omega Seamaster Planet Ocean 600m Green Bezel, featuring a stainless steel case with a diameter of 43.5mm.

Condition: very nice previously owned
Depth rating: 600m
Year: 2025
Bezel color: green

Posted at

Jan 27, 2026, 8:11 PM

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Omega Seamaster Planet Ocean GMT “Oreo” – Ref. 215.30.44.22.01.001 – Full Set – Mint

Omega - 215.30.44.22.01.001 · $6,350

This Omega Seamaster Planet Ocean GMT 'Oreo' features a black dial and a black & white ceramic GMT bezel, set in a stainless steel case with a diameter of 43.5mm.

Condition: Mint overall condition with one minor scratch on the clasp
Case Size: 43.5mm
Case Material: Stainless steel
Dial Color: Black

Posted at

Jan 27, 2026, 6:32 PM

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Omega Seamaster Planet Ocean - New generation with the Blue Ceramic Bezel - B&P

Omega - 217.30.42.21.01.002 · $7,600

This listing features a brand-new Omega Seamaster Planet Ocean with a blue ceramic bezel. The watch has been well-maintained and includes all original accessories, such as the box, papers, warranty cards, hang tag, extra links, and an insurance appraisal from the AD setting the replacement value at $9,200.

Condition: Pre-owned, minor marks on the clasp and some links, otherwise as new
Bracelet size: 7.1-inch (18 cm)
Warranty cards included: true
Insurance appraisal value: 9200

Posted at

Jan 27, 2026, 12:56 PM

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Omega Seamaster Planet Ocean Chronograph full kit

Omega - 215.30.46.51.01.001 · $4,999

This is a 2023 model year Omega Seamaster Planet Ocean Chronograph, featuring 600M water resistance and various functions such as jump hour capabilities and chronograph functions. The watch has a 45.5mm diameter and comes in a full kit.

Condition: great shape with noticeable marks on bezel and bracelet wear
Water resistance: 600m
Diameter: 45.5mm
Warrenty: 18 months remaining

Posted at

Jan 25, 2026, 5:35 PM

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OMEGA SEAMASTER PLANET OCEAN 600M 44MM GREY DIAL - 215.32.44.21.01.002 - BOX & PAPERS - EXCELLENT CONDITION

OMEGA - 215.32.44.21.01.002 · $6,271

This Omega Seamaster Planet Ocean 600M features a sleek grey dial and bezel, with 600m water resistance and OMG's M@ster Chr0nometer movement.

Condition: Excellent
Case size: 44mm diameter
Water resistance: 600m depth rating
Movement: Automatic

Posted at

Jan 25, 2026, 12:51 PM

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[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service Price Drop

Omega - 232.30.42.21.01.004 · $4,750

This limited edition Skyfall Omega Seamaster Planet Ocean 600M is one of just over 5,000 numbered pieces, featuring a handsome black patterned dial and a 42mm case size. The watch boasts an in-house caliber 8507b movement with increased anti-magnetic properties and a water resistance of 600 meters.

Condition: Excellent, serviced by Omega in August
Case Size: 42mm
Water Resistance: 600m (~2000ft)
Movement: Omega Calibre 8507b

Posted at

Jan 25, 2026, 12:01 PM

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