Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Titanium / Grey / Bracelet

Reference 215.90.46.51.99.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Titanium / Grey / Bracelet

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph is a luxury timepiece that combines precision, style, and adventure. Its striking grey titanium case and bold sporty look make it a standout choice for watch enthusiasts and casual wearers alike. The watch measures 45.5 mm in diameter and features a light and strong titanium bracelet with an adjustable link design for comfort. Powered by the Omega caliber 9900 automatic movement, this timepiece boasts a Co-Axial Escapement and METAS certification for accuracy and magnetic resistance. With a water resistance of up to 600 meters, it's perfect for diving and everyday use. The unidirectional rotating bezel allows for accurate tracking of dive times, while the chronograph feature with column wheel mechanism enables precise timing. The dial is protected by scratch-resistant sapphire crystal and features a modern grey color with mixed indexes for easy readability. Wearing the Seamaster Planet Ocean 600M is a delight, as it's both comfortable and stylish, making it a versatile accessory that can be paired with casual or formal attire.

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Key Features

45.5mm diameter titanium case
Co-Axial Escapement movement
METAS certified for accuracy and magnetic resistance
600m water resistance
Unidirectional rotating bezel
Chronograph feature with column wheel mechanism
Scratch-resistant sapphire crystal dial

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Titanium / Grey / Bracelet

Reference

215.90.46.51.99.001

Movement

9900

Movement Features

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

Case

45.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

600

Current Listings

12 Days of Christmas 🎄 | Day 5/12 | Omega Seamaster Planet Ocean Titanium - 42mm 🌊

Omega - Planet Ocean · $5,500

A Omega Seamaster Planet Ocean Titanium in 42mm, this listing is part of a 12-day sale.

Posted at

Dec 29, 2025, 5:35 PM

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Omega Seamaster Planet Ocean 2200.51 2010 Full Set $2,999

Omega - 2200.51 · $2,999

2010 Omega Seamaster Planet Ocean with box and cards, dated from 2010.

Condition: Good timegrapher numbers, last service unknown
Year: 2010
Set: Full set with box and cards

Posted at

Dec 29, 2025, 10:22 AM

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Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – “Big Size” 💥 – $2,349 Shipped

Omega - 2200.50 · $2,349

This Omega Seamaster Planet Ocean is a 45.5mm Co-Axial watch that shows heavy, honest wear throughout. It has a dent on the crown side of the case and a missing bezel click spring.

Condition: Fair / well-used
Case size: 45.5mm
Bracelet size: 7.75-8.0 inches
Dial condition: clean

Posted at

Dec 28, 2025, 9:37 PM

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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 features a 45.5mm case with a gray bezel, but was upgraded to an orange OEM bezel.

Condition: Near mint
Bracelet type: mesh/milanese bracelet
Original strap: black
Alternative clasp: deployant clasp

Posted at

Dec 27, 2025, 10:36 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 features a 45.5mm case and is still under warranty until November 2027.

Condition: exceptional
Case Diameter: 45.5mm
Warranty Valid Until: NOV 2027

Posted at

Dec 27, 2025, 10:21 PM

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Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400

This Omega Seamaster Planet Ocean 2500 is a 42.5mm watch with excellent condition and comes with boxes and papers.

Condition: Great condition with boxes and papers
Case Size: 42.5mm

Posted at

Dec 27, 2025, 10:16 PM

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2024 Omega Seamaster Planet Ocean 600M 43.5mm Steel 215.30.44.21.01.002 Full Set

Omega - 215.30.44.21.01.002 · $4,415

This listing features a 2024 Omega Seamaster Planet Ocean 600M, a high-end diver's watch made of stainless steel with a black ceramic dial.

Condition: Nice pre-owned condition with light scratches on the case and bracelet
Case material: Stainless Steel
Case dimensions: 43.5mm
Bezel: Rotating Dive Bezel with Black Ceramic & Orange Rubber Insert

Posted at

Dec 24, 2025, 5:43 PM

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Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega - 2209.50 · $2,750

The Omega Seamaster Planet Ocean is a purpose-built diver with a 42mm case size and orange bezel. It's in excellent condition with minor marks on the AR crystal.

Condition: Excellent
Case Size: 42mm diameter
Bezel Type: orange bezel
Crystal Condition: minor marks on AR crystal

Posted at

Dec 23, 2025, 1:50 PM

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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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