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

Omega Seamaster Planet Ocean GoodPlanet Blue Dial 43.5mm 232.30.44.22.03.001

Omega - 232.30.44.22.03.001 · $5,100

The Omega Seamaster Planet Ocean GMT features a bold stainless steel case, rich blue dial, and matching ceramic bezel with true GMT functionality.

Condition: Excellent pre-owned condition
Case Size: 44mm
Bracelet Size: 7.5 inches
Water Resistance Depth: 600m

Posted at

Mar 10, 2026, 8:04 PM

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Omega Seamaster Planet Ocean Titanium – 42mm – 2025 Complete Set

Omega - 232.90.42.21.03.001 · $5,350

This Omega Seamaster Planet Ocean features a blue ceramic bezel and dial, titanium case, and bracelet.

Condition: Mint condition
Case diameter: 42mm
Water resistance: 600m / 2000ft
Movement: Omega Calibre 8500 automatic chronometer

Posted at

Mar 10, 2026, 2:00 PM

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Omega Seamaster Planet Ocean 42mm, full set, excellent, $4750

Omega - 232.30.42.21.01.003 · $4,750

This Omega Seamaster Planet Ocean 600M features the Co-Axial Caliber 8500 automatic movement, ceramic bezel, and impressive 600 meters of water resistance. It has been well cared for and is in remarkable condition.

Condition: Excellent pre-owned condition
Case Size: 42mm diameter
Movement: Omega Co-Axial Caliber 8500 Automatic
Water Resistance: 2000ft / 600M

Posted at

Mar 10, 2026, 10:55 AM

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Omega Seamaster Planet Ocean 2201.50

Omega - Planet Ocean 2201.50 · $4,400

A first-generation Omega Seamaster Planet Ocean in excellent condition, featuring a 42mm size and exceptional condition for its age.

Condition: Extremely good, minor marks/swirls
Movement: 2500C COSC certified
Bracelet size: fits 7.25 inch wrist with additional half-link
Service history: serviced in December 2025

Posted at

Mar 9, 2026, 10:27 PM

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Omega Seamaster Planet Ocean 600M (New Gen) - Full Set [217.32.42.21.01.002] - Re-post with PRICE DROP

Omega - 217.32.42.21.01.002 · $7,300

The Omega Seamaster Planet Ocean 600M is a 4th-gen model with a slim and flat 42mm case, making it wear closer to a true 39-40mm on the wrist.

Condition: 9.5/10
Origin: Purchased directly from the Omega Boutique in Nov. 2025
Condition Details: Excellent condition with no issues, scratches or dents

Posted at

Mar 9, 2026, 7:31 PM

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Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,900

Omega - 215.30.46.21.04.001 · $7,900

The Omega Seamaster Planet Ocean Ultra Deep is a 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, this watch features high-performance engineering but oversized dimensions. It's offered in two materials: O-MEGASTEEL or Titanium.

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

Posted at

Mar 9, 2026, 11:58 AM

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Omega Seamaster Planet Ocean 600M Chronograph 45.5mm | Ref. 215.30.46.51.03.001 | Full Set | Excellent Condition

Omega - 215.30.46.51.03.001 · $6,350

The Omega Seamaster Planet Ocean 600M Chronograph is a stainless steel watch with a blue dial, featuring a 45.5mm case and coin-edge rotating bezel. It's powered by the Calibre 9900, a METAS-certified Master Chronometer resistant to 15,000 gauss.

Condition: Excellent, minimally worn
Case size: 45.5mm diameter
Bezel type: coin-edge rotating bezel

Posted at

Mar 8, 2026, 5:10 PM

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