Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

Reference 232.18.46.51.01.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph is a stunning luxury watch that embodies the perfect blend of advanced technology and elegance. Crafted from high-quality stainless steel, this timepiece boasts a robust yet elegant vibe with its 45.5 mm round case. The gem-set bezel adds a touch of luxury, while the black dial featuring mixed indexes and arrow hands ensures excellent legibility. With a staggering water resistance of 600 meters, this watch is designed for serious underwater adventures. Powered by the Omega caliber 9300, a self-winding chronograph with a Si14 silicium balance spring, this timepiece delivers smooth operation and precision timing. The Co-Axial escapement reduces friction between components, leading to improved accuracy and reduced maintenance needs. Wearing comfortably on the wrist, this watch adapts effortlessly with its adjustable clasp and 22 mm lug width. With a price tag of $18,600, it's an investment in craftsmanship that will stand the test of time.

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MSRP: $22,600

Market Price: $10,144

Key Features

45.5mm stainless steel case
Gem-set bezel for added luxury
Black dial with mixed indexes and arrow hands
Omega caliber 9300 self-winding chronograph movement
600m water resistance
Co-Axial escapement for improved accuracy
Adjustable clasp and 22mm lug width

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

Reference

232.18.46.51.01.001

Movement

9300

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Chronometer, Co-Axial Escapement

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 600M 232.92.42.21.03.001 42mm Titanium Blue 2020

Omega - 232.92.42.21.03.001 · $4,775

A blue dial Omega Seamaster Planet Ocean 600M with a 42mm titanium case, featuring a Calibre 8500 automatic movement and 600m water resistance.

Condition: Excellent pre-owned condition with light wear
Case size: 42mm diameter
Material: titanium
Movement: Calibre 8500, Co-Axial, automatic

Posted at

Apr 12, 2026, 1:48 PM

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Omega Seamaster Planet Ocean 232.30.42.21.01.003 – 42mm

Omega - 232.30.42.21.01.003

This is a listing for an Omega Seamaster Planet Ocean watch.

Model name: Planet Ocean
Case size: 42mm

Posted at

Apr 12, 2026, 12:51 PM

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Omega Seamaster Planet Ocean 215.30.44.21.01.002 – 43.5mm – Full Set

Omega - 215.30.44.21.01.002 · $8,500

This Omega Seamaster Planet Ocean is a 43.5mm watch with additional details provided.

Case size: 43.5mm

Posted at

Apr 12, 2026, 12:15 PM

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[US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,525

A Omega Seamaster Planet Ocean Chrono 600m watch featuring a black dial and measuring 45.5mm in diameter.

Condition: Fantastic with minor hairlines
Case Size: 45.5mm diameter
Depth Rating: 600m

Posted at

Apr 12, 2026, 9:47 AM

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Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600

The Omega Seamaster Planet Ocean Orange 8500 features a 45.5mm case, gray bezel that was swapped for an OEM orange one, and comes with a mesh/milanese bracelet.

Condition: Near mint
Bracelet type: Omega mesh/milanese
Case size: 45.5mm
Bezel color: Orange

Posted at

Apr 11, 2026, 5:11 PM

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