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

Reference 222.18.46.20.01.001

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 is a masterpiece of horological excellence, blending style and functionality in a single piece. With its stunning diamond-set bezel and deep black dial, this watch exudes sophistication and elegance. The mixed indexes and arrow hands enhance readability, while the co-axial escapement ensures accuracy and reduced maintenance. Water-resistant up to 600m, this timepiece is perfect for divers and water sports enthusiasts who demand reliability and style. Whether you're heading to the office or a weekend getaway, this watch will undoubtedly make a lasting impression. At its heart lies the Omega caliber 2500 automatic movement, boasting a power reserve of approximately 48 hours and exceptional quality craftsmanship.

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MSRP: $17,400

Market Price: $6,458

Key Features

Omega Caliber 2500 Automatic Movement
Co-Axial Escapement for Enhanced Accuracy
600m Water Resistance for Professional Diving
Stainless Steel Case with Diamond-Set Bezel
Deep Black Dial with Mixed Indexes and Arrow Hands
Comfortable Alligator Leather Strap
48-Hour Power Reserve

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

222.18.46.20.01.001

Movement

2500

Movement Features

Hours, Minutes, Seconds
Date
Co-Axial Escapement, Chronometer

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500

This OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water resistance to 6,000 meters and a lacquered dial with gradient finish.

Condition: UNWORN
Case size: 45.5mm diameter
Water resistance: 6000m depth rating
Movement: Co-Axial Master Chronometer Calibre 8912

Posted at

Dec 22, 2025, 9:08 AM

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OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA - 232.32.42.21.01.003 · $4,250

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

Condition: VERY GOOD
Case size: 42mm
Movement: Co-Axial Caliber 8500
Water resistance: 600m (2000 feet)

Posted at

Dec 22, 2025, 9:01 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

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

Condition: Near mint
Bracelet type: Omega mesh
Case size: 45.5mm

Posted at

Dec 20, 2025, 9:30 PM

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Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

This Omega Seamaster Planet Ocean 8500 is a high-end diver's watch featuring a 45.5mm case size and available under warranty until November 2027.

Condition: exceptional condition
Case Size: 45.5mm

Posted at

Dec 20, 2025, 9:15 PM

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Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm model with various features.

Condition: Excellent
Diameter: 45.5mm

Posted at

Dec 20, 2025, 8:19 PM

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Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean features a 45.5mm case and is available with full set.

Condition: great condition
Case diameter: 45.5mm

Posted at

Dec 20, 2025, 8:16 PM

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Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400

A 42.5mm Omega Seamaster Planet Ocean 2500 is being sold in excellent condition with its original boxes and papers.

Condition: Great condition
Case size: 42.5mm

Posted at

Dec 20, 2025, 8:13 PM

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Omega Seamaster Planet Ocean “Creamsicle” - 215.30.44.21.04.001 - Travel box and papers

Omega - 215.30.44.21.04.001 · $4,798

The Omega Seamaster Planet Ocean 600M “Creamisicle” delivers all of the performance of Omega’s dive watch heritage highlighted by a signature eye-catching orange bezel.

Condition: Great pre-owned condition with minor signs of wear
Case size: 43.5mm
Depth rating: 600m (60 bar/2,000 feet)
Movement: Omega Master Chronometer calibre 8900 self-winding mechanical movement

Posted at

Dec 19, 2025, 5:03 PM

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Omega Seamaster Planet Ocean 2201.50

Omega - Planet Ocean 2201.50 · $3,750

The Omega Seamaster Planet Ocean is a 42mm watch purchased through Chrono24 from a reputable seller in Japan, sold with original box and accessories.

Condition: 8.9/10
Size: 42mm diameter
Last service date: unknown

Posted at

Dec 18, 2025, 5:11 AM

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