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 · $4,350

This Omega Seamaster Planet Ocean 600m is a high-end diver's watch with a black dial and 45.5mm diameter.

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

Posted at

May 28, 2026, 7:04 AM

Active

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Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set - 3550

Omega - 232.30.46.21.01.001 · $3,550

A bold dive watch with strong wrist presence, built for durability and performance, with a black dial and Omega's proven Co-Axial movement.

Condition: Good overall condition
Case size: 45.5mm diameter
Movement: Omega Co-Axial automatic movement

Posted at

May 25, 2026, 11:54 AM

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Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500

A 45.5mm Omega Seamaster Planet Ocean with a full set.

Condition: Excellent condition and full set
Case Size: 45.5mm

Posted at

May 23, 2026, 8:22 AM

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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 · $4,375

Up for sale is an Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm.

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

Posted at

May 21, 2026, 6:19 AM

Active

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2020 Omega Seamaster Planet Ocean 600m Full Set $3850

Omega - 232.30.46.21.01.001 · $3,850

This Omega Seamaster Planet Ocean 600M is a professional dive watch with incredible wrist presence, clean design, and exceptional reliability.

Movement: Omega Calibre 8500 automatic
Case size: 45.5MM diameter
Depth rating: 600M / 2000FT

Posted at

May 19, 2026, 9:45 PM

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Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean 8500 features a 45.5mm case size and is available for sale in excellent condition, complete with all original accessories.

Condition: Excellent condition
Size: 45.5mm diameter
Case material: unknown

Posted at

May 15, 2026, 2:44 PM

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Omega Seamaster Planet Ocean 600M Ultra Deep | Complete set + more

Omega - 215.30.46.21.03.001 · $8,250

This Omega Seamaster Planet Ocean 600M Ultra Deep is a high-end dive watch featuring excellent craftsmanship and attention to detail, with a sleek design and robust build.

Condition: Excellent, sparingly worn
Shipping: fully insured FedEx Overnight Priority shipping

Posted at

May 27, 2026, 7:27 PM

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Omega Seamaster Planet Ocean 42mm

Omega - 2201.51.00 · $3,500

A 42mm Omega Seamaster Planet Ocean 600m with a 2500 movement, seahorse caseback, and stainless steel bracelet, suitable for both casual and formal wear.

Movement: Calibre 2500
Case thickness: 13mm
Diameter: 42mm

Posted at

May 27, 2026, 4:53 PM

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Omega Seamaster Planet Ocean 600M "SKYFALL" 42mm 232.30.42.21.01.001 | Fresh Service, Fullset | $3,599 Shipped

The Omega Seamaster Planet Ocean 600M 'SKYFALL' is a 42mm watch featuring the in-house Co-Axial Cal. 8500 and clean, symmetrical no-date style proportions. It's the same model worn by Daniel Craig in Skyfall.

Posted at

May 26, 2026, 10:29 AM

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View listing on r/WatchExchange