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

Reference 215.30.46.51.99.001

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

About this watch

The Omega Seamaster Planet Ocean 600M is a luxurious timepiece that embodies both style and performance. Its impressive 45.5 mm case, combined with the grey ceramic bezel, gives it a commanding presence on the wrist. The stainless steel bracelet is durable yet comfortable, making it suitable for long wear in various settings. The Omega caliber 9900 movement features a chronograph and column wheel, earning METAS certification for its accuracy and performance. With a power reserve of 60 hours and a frequency of 28,800 vibrations per hour, this movement is designed for precision. The Co-Axial escapement minimizes friction, resulting in enhanced accuracy and longevity. This watch is built to withstand the elements with an impressive water resistance of 600 meters, making it perfect for underwater adventures or everyday wear. The dial's mixed indexes provide a unique visual appeal, while the arrow-shaped hands ensure easy time readability. The addition of a date function makes it practical for daily use, and the chronograph feature adds a sporty edge.
Buy Now on Jomashop
This is an affiliate link
MSRP: $9,100
Market Price: $5,742

Key Features

  • 45.5 mm stainless steel case
  • Grey ceramic bezel
  • Omega caliber 9900 movement with METAS certification
  • 60-hour power reserve
  • 28,800 vibrations per hour
  • Co-Axial escapement
  • 600 meters water resistance

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Grey / Bracelet
Reference
215.30.46.51.99.001
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

[WTS] Omega Seamaster Planet Ocean Titanium – Ref 232.92.42.21.03.001

Omega Seamaster Planet Ocean Titanium – Ref 232.92.42.21.03.001

Omega - 232.92.42.21.03.001 · $4,095
This Omega Seamaster Planet Ocean 600M features a titanium case, blue ceramic Liquidmetal bezel, and 600m dive rating.

  • Condition: Very good condition, normal wear consistent with use
  • Case size: 42 mm diameter
  • Water resistance: 600m depth rating
  • Movement type: Co-Axial calibre 8500
Posted at
Mar 13, 2026, 10:53 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean Chronograph – Ref 232.90.46.51.03.001

Omega Seamaster Planet Ocean Chronograph – Ref 232.90.46.51.03.001

Omega - 232.90.46.51.03.001 · $5,995
This Omega Seamaster Planet Ocean Chronograph features a titanium case, blue ceramic bezel, and in-house calibre 9300 chronograph.

  • Condition: Very good condition
  • Case diameter: 45.5mm
  • Bezel material: blue ceramic
  • Water resistance: 600m
Posted at
Mar 13, 2026, 10:48 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/whitekimchee

Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/whitekimchee

Omega - 2201.50 · $2,700
Up for sale is my Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

  • Condition: very good condition with minimal marks/hairlines
  • Movement: Omega Calibre 2500
  • Bracelet length: unknown
  • Shipping cost: Fedex Priority Shipping from the Philippines with possible additional tariffs for USA buyers
Posted at
Mar 10, 2026, 9:12 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/Impossible_Air725

Omega Seamaster Planet Ocean 2201.50 42mm - $2,700 - Reserved post for u/Impossible_Air725

Omega - 2201.50 · $2,700
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, featuring an automatic Omega Calibre 2500 movement and measuring at 42mm.

  • Condition: Very good condition for its age, minimal marks/hairlines on case and bracelet
  • Movement: Omega Calibre 2500
  • Case material: Steel
  • Bracelet type: Original Omega steel bracelet
Posted at
Mar 10, 2026, 9:10 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean GoodPlanet Blue Dial 43.5mm 232.30.44.22.03.001

Omega Seamaster Planet Ocean GoodPlanet Blue Dial 43.5mm 232.30.44.22.03.001

Omega - 232.30.44.22.03.001 · $5,100
The Omega Seamaster Planet Ocean GMT features a bold stainless steel case, rich blue dial, and matching ceramic bezel with true GMT functionality.

  • Condition: Excellent pre-owned condition
  • Case Size: 44mm
  • Bracelet Size: 7.5 inches
  • Water Resistance Depth: 600m
Posted at
Mar 10, 2026, 8:04 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean Titanium – 42mm – 2025 Complete Set

Omega Seamaster Planet Ocean Titanium – 42mm – 2025 Complete Set

Omega - 232.90.42.21.03.001 · $5,350
This Omega Seamaster Planet Ocean features a blue ceramic bezel and dial, titanium case, and bracelet.

  • Condition: Mint condition
  • Case diameter: 42mm
  • Water resistance: 600m / 2000ft
  • Movement: Omega Calibre 8500 automatic chronometer
Posted at
Mar 10, 2026, 2:00 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 42mm, full set, excellent, $4750

Omega Seamaster Planet Ocean 42mm, full set, excellent, $4750

Omega - 232.30.42.21.01.003 · $4,750
This Omega Seamaster Planet Ocean 600M features the Co-Axial Caliber 8500 automatic movement, ceramic bezel, and impressive 600 meters of water resistance. It has been well cared for and is in remarkable condition.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Omega Co-Axial Caliber 8500 Automatic
  • Water Resistance: 2000ft / 600M
Posted at
Mar 10, 2026, 10:55 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2201.50

Omega Seamaster Planet Ocean 2201.50

Omega - Planet Ocean 2201.50 · $4,400
A first-generation Omega Seamaster Planet Ocean in excellent condition, featuring a 42mm size and exceptional condition for its age.

  • Condition: Extremely good, minor marks/swirls
  • Movement: 2500C COSC certified
  • Bracelet size: fits 7.25 inch wrist with additional half-link
  • Service history: serviced in December 2025
Posted at
Mar 9, 2026, 10:27 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M (New Gen) - Full Set [217.32.42.21.01.002] - Re-post with PRICE DROP

Omega Seamaster Planet Ocean 600M (New Gen) - Full Set [217.32.42.21.01.002] - Re-post with PRICE DROP

Omega - 217.32.42.21.01.002 · $7,300
The Omega Seamaster Planet Ocean 600M is a 4th-gen model with a slim and flat 42mm case, making it wear closer to a true 39-40mm on the wrist.

  • Condition: 9.5/10
  • Origin: Purchased directly from the Omega Boutique in Nov. 2025
  • Condition Details: Excellent condition with no issues, scratches or dents
Posted at
Mar 9, 2026, 7:31 PM
Active
View listing on r/WatchExchange