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

2023 Omega Seamaster Planet Ocean 600M 39.5MM Black Dial 215.30.40.20.01.001 Full Set

Omega - 215.30.40.20.01.001 · $3,925

2023 Omega Seamaster Planet Ocean 600M with a black dial, stainless steel case, and rotating dive bezel.

Condition: Preowned with some scratches on the case and bracelet
Case dimensions: 39.5mm diameter
Bezel material: Stainless Steel
Dial type: Black Ceramic

Posted at

Dec 10, 2025, 8:23 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 2200.50 – Full Set – Excellent Condition – $3,250 (Shipped CONUS) 45.5mm

Omega - 2200.50 · $3,250

This Omega Seamaster Planet Ocean 600M is a high-end diver's watch featuring a 45.5mm diameter case.

Condition: Excellent Condition
Diameter: 45.5mm

Posted at

Dec 9, 2025, 7:32 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $8,100

Omega - 215.30.46.21.04.001 · $8,100

The Omega Seamaster Planet Ocean Ultra Deep is an extremely robust and technically impressive dive watch with a staggering 6,000-meter depth rating. Released in 2022 as a production version of the prototype that went to the deepest point on Earth, the watch features high-performance engineering but oversized dimensions.

Condition: Minty condition, excellent time keeping
Case diameter: 45mm
Lug width: 22mm
Lug-to-lug: 51.9mm

Posted at

Dec 9, 2025, 12:13 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

Omega - 232.30.42.21.01.001 · $3,350

This Omega Seamaster Planet Ocean is a 42mm watch with a 7-inch bracelet, featuring fresh polish.

Bracelet length: 7 inch
Case size: 42mm

Posted at

Dec 8, 2025, 6:10 PM

Active

View listing on r/WatchExchange

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

Omega - 21530442103001 · $4,250

A robust dive watch from Omega's Planet Ocean lineup, featuring a blue ceramic dial and bezel, with a stainless steel case.

Condition: Unworn/mint condition
Case size: 43.5mm diameter
Movement: Calibre 8900 automatic chronometer
Depth rating: 600m / 2000 feet / 60 bar

Posted at

Dec 8, 2025, 11:50 AM

Active

View listing on r/WatchExchange

2011 Omega Seamaster Planet Ocean, 42mm Generation 1

Omega - 2201.51 · $3,000

2011 Omega Seamaster Planet Ocean, Generation 1, 42mm in good condition and running well.

Condition: Good condition with nicks and dents
Movement: 2500D movement
Bracelet Length: 7.6 inches
Bracelet Size: adjusts up to 7.6 inches

Posted at

Dec 7, 2025, 3:37 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega - 232.30.46.21.01.001 · $3,200

A Omega Seamaster Planet Ocean 45mm is for sale with its original packaging and accessories.

Condition: Some hairline scratches on the case, small knick on lug, signs of wear on bracelet
Box And Papers: Yes, including outer/inner boxes, instruction manual, warranty card, original accessories
Shipping: Via FedEx Ground with signature confirmation
Payment Methods: Zelle preferred, PayPal G&S available, banks wire

Posted at

Dec 7, 2025, 12:04 PM

Active

View listing on r/WatchExchange

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

Omega - 232.30.42.21.01.004 · $4,900

A discontinued Limited Edition Skyfall Omega Seamaster Planet Ocean 600M with a black patterned dial and in-house caliber 8507b movement, water resistant up to 600 meters.

Condition: Pre-owned, recently serviced by Omega
Case size: 42mm
Water resistance: 600m (~2000ft)
Movement: Caliber 8507b with silicon balance spring

Posted at

Dec 6, 2025, 1:47 PM

Active

View listing on r/WatchExchange