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 2201.50 42mm - $2,390

Omega - Planet Ocean 2201.50 · $2,390

The Omega Seamaster Planet Ocean 2201.50 is a 42mm watch with an automatic movement and features a steel case on original Omega steel bracelet.

Condition: Very good condition, minimal marks on the case, caseback, and bracelet.
Movement: Automatic Omega Calibre 2500
Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
Case size: 42mm

Posted at

Feb 11, 2026, 9:08 PM

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Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,695

This Omega Planet Ocean 2200.50 is a fantastic piece, often associated with James Bond from Casino Royale.

Condition: Great, minimal wear
Size: 45.5mm diameter

Posted at

Feb 11, 2026, 5:54 PM

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Omega Seamaster Planet Ocean 215.92.46.22.01.001 - Watch, Inner box, and Chrono24 Authentication Card

Omega - 215.92.46.22.01.001 · $6,498

This rare Omega Seamaster Planet Ocean features a sleek black ceramic case and textured black rubber strap, with a bold contrast of smooth and brushed finishes.

Condition: Excellent pre-owned condition
Case material: black ceramic
Strap type: textured black rubber
Water resistance: not specified

Posted at

Feb 10, 2026, 5:00 PM

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Omega Seamaster Planet Ocean - December 2025 with Blue Ceramic Bezel

Omega - 217.30.42.21.01.002 · $7,300

New generation Omega Seamaster Planet Ocean with Blue ceramic bezel, bought new in December 2025, has been worn with a few minor marks.

Condition: Pre-owned, minor marks on the clasp and bracelet links
Warranty card date: December 10, 2025
Bracelet size: 7.1-inch (18 cm)
Box contents: Box, papers, warranty cards, hang tag, extra links, original receipt, and insurance appraisal

Posted at

Feb 10, 2026, 1:10 PM

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Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,750

The Omega Seamaster Planet Ocean GMT features a 43.5mm size and is described as being in very good condition with only light scratches on the clasp and bracelet. The watch runs perfectly with no errors, losing only +/–0 seconds per day.

Condition: very good with minor wear
Size: 43.5mm diameter

Posted at

Feb 9, 2026, 4:59 PM

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Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 · $4,500

The Omega Seamaster Planet Ocean 600M 'Good Planet' is a stainless steel watch with a vibrant blue dial, polished blue ceramic bezel, and distinctive orange GMT accents.

Case Diameter: 43.5 mm
Thickness: 17.25 mm
Lug Width: 21 mm

Posted at

Feb 8, 2026, 11:19 PM

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OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,250🔥

OMEGA - 215.30.46.21.03.002 · $12,250

This OMEGA Seamaster Planet Ocean 6000M Ultra Deep represents the pinnacle of deep-sea engineering, with a massive 45.5mm case crafted from high-grade stainless steel and a lacquered dial featuring a gradient finish that transitions from blue to black.

Condition: UNWORN
Case material: O-MEGASTEEL
Diameter: 45.5mm
Water resistance: 6000m

Posted at

Feb 8, 2026, 7:42 PM

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OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA - 232.32.42.21.01.003 · $4,150

A robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, featuring a Co-Axial Caliber 8500 movement, water-resistant up to 600 meters, and helium escape valve.

Condition: VERY GOOD, with few superficial scratches on case
Case material: stainless steel
Case diameter: 42mm
Movement: Co-Axial Caliber 8500

Posted at

Feb 8, 2026, 7:40 PM

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