Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Grey / NATO

Reference 215.32.46.51.99.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Grey / NATO

About this watch

The Omega Seamaster Planet Ocean 215.32.46.51.99.001 exudes sophistication with its striking grey color and matte finish, effortlessly transitioning from a business meeting to an ocean dive. This timepiece boasts a robust 45.5 mm round case made of stainless steel, ensuring durability while maintaining a luxurious feel. The rotating bezel is both functional for tracking time underwater and aesthetically pleasing. Under the sapphire crystal glass, the dial features mixed indexes that are practical yet stylish, accompanied by arrow hands designed for quick readability. The chronograph feature adds a sporty touch, perfect for those who appreciate precision timing. At its heart lies the Omega Caliber 9900 movement, certified with METAS standards for precision and performance. With an impressive water resistance of 600 meters, this watch is designed for serious divers, handling underwater exploration and everyday wear alike. Its NATO strap is breathable, adjustable, and comfortable on the wrist, making it suitable for various occasions from the boardroom to the deep blue sea.

Buy Now on Jomashop

This is an affiliate link

MSRP: $8,800

Market Price: $6,383

Key Features

Omega Caliber 9900 movement
Sapphire crystal glass
600m water resistance
Rotating 0-60 bezel
Chronograph feature
Grey color with matte finish
Stainless steel case

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Grey / NATO

Reference

215.32.46.51.99.001

Movement

9900

Movement Features

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

Case

Stainless Steel 45.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

600

Current Listings

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 watch with additional details not specified in the description.

Condition: Excellent condition and full set
Case size: 45.5mm diameter

Posted at

Apr 18, 2026, 10:42 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega - 215.30.44.21.03.001 · $4,600

This Omega Seamaster Planet Ocean is a 43.5mm watch with blue dial, under warranty through September 2028.

Case size: 43.5mm diameter
Water resistance: 300m depth rating

Posted at

Apr 18, 2026, 5:30 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega - 215.30.44.21.03.001 · $4,600

This Omega Seamaster Planet Ocean 8900 Blue is a 43.5mm watch with factory warranty valid through November 2028.

Condition: Like new (with boxes in great condition)
Case Size: 43.5mm

Posted at

Apr 18, 2026, 5:28 PM

Active

View listing on r/WatchExchange

RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

Omega - 2200.50.00 · $3,900

A rare Omega Seamaster Planet Ocean 2500D, featuring a large 45.5mm case size and excellent condition. The watch comes with its original boxes and warranty.

Condition: Excellent
Size: 45.5mm diameter
Case condition: Excellent

Posted at

Apr 18, 2026, 5:24 PM

Active

View listing on r/WatchExchange

2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

Omega - 232.30.42.21.01.001 · $4,395

Up for sale is a Omega Seamaster Planet Ocean 600m 42mm Black watch, featuring a 2020 model year.

Condition: Excellent condition with minimal signs of wear
Year: 2020
Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, instructions manual

Posted at

Apr 18, 2026, 5:23 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 45.5mm 232.32.46.21.01.005

Omega - 232.32.46.21.01.005 · $4,500

This is a Omega Seamaster Planet Ocean 8500, a high-end dive watch with a 45.5mm case size and various features.

Condition: great
Case Diameter: 45.5mm

Posted at

Apr 18, 2026, 5:22 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

Omega - 232.92.44.22.03.001 · $4,995

A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue, featuring a reference number of 232.92.44.22.03.001.

Condition: Excellent condition with minimal signs of wear
Year: 2025
Depth rating: 600m

Posted at

Apr 18, 2026, 5:04 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Dec 2025 Ref. 217.32.42.21.01.002 – Mint Full Set – $6,750

Omega - 217.32.42.21.01.002 · $6,750

A solid and reliable watch with a great balance of sportiness and everyday versatility.

Condition: Mint
Year: 2025

Posted at

Apr 18, 2026, 3:00 PM

Active

View listing on r/WatchExchange

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

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 (few superficial scratches on case)
Movement: Co-Axial Caliber 8500
Case material: stainless steel
Case size: 42mm diameter

Posted at

Apr 17, 2026, 10:09 PM

Active

View listing on r/WatchExchange