Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Bracelet

Reference 232.30.42.21.01.001

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial is an exceptional diving watch that embodies luxury and technical excellence. With its rich history, innovative features, and stunning design, this timepiece is a worthy companion for both underwater adventures and everyday life. The 42mm stainless steel case exudes durability and sophistication, while the black dial with indexes ensures legibility at a glance. Powered by the Omega Caliber 8500, an automatic movement known for its precision, this watch boasts a remarkable 60-hour power reserve and is certified as a chronometer. The Co-Axial escapement reduces friction, enhancing the watch's longevity and performance. With a water resistance of 600 meters, you can trust that the Seamaster Planet Ocean will keep ticking in any conditions. Protected by a sapphire crystal, this watch is shielded from scratches and retains its stunning clarity. The stainless steel bracelet is both durable and comfortable, with adjustable links ensuring a perfect fit. Whether you're diving deep or dancing the night away, this watch makes a statement.
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MSRP: $6,200
Market Price: $3,278

Key Features

  • 42mm Stainless Steel Case
  • Black Dial with Indexes for Legibility
  • Omega Caliber 8500 Automatic Movement
  • 60-Hour Power Reserve and Chronometer Certification
  • Co-Axial Escapement for Enhanced Performance
  • 600m Water Resistance
  • Sapphire Crystal for Scratch Protection

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Bracelet
Reference
232.30.42.21.01.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster 600m Planet Ocean 42mm 232.30.42.21.01.001

Omega Seamaster 600m Planet Ocean 42mm 232.30.42.21.01.001

A 42mm Omega Seamaster Planet Ocean with an automatic movement.

  • Model size: 42mm diameter
  • Bracelet length: 7.5 inches
Posted at
Feb 12, 2026, 4:19 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

The Omega Seamaster Planet Ocean GMT 'Oreo' features a 43mm case and Calibre 8906 movement. It comes with a leather/rubber mixed strap and has a clean crystal.

  • Condition: Great preowned condition, some light normal wear scratches on lugs and case
  • Case size: 43mm
  • Water resistance: 600m
Posted at
Feb 16, 2026, 5:41 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega - 2209.50 · $2,650
A pre-owned Omega Seamaster Planet Ocean ref: 2209.50, available in a 42mm case size with an orange bezel, part of the planet ocean line, designed for divers.

  • Condition: Pre-owned with signs of wear, giving it a vintage aesthetic
  • Case Size: 42mm diameter
  • Bezel Color: orange
Posted at
Feb 16, 2026, 2:20 PM
Active
[WTS] Omega Seamaster Planet Ocean

Omega Seamaster Planet Ocean

A brand new, stickered 4th generation Omega Seamaster Planet Ocean with a black dial and blue bezel combination on the bracelet.

  • Condition: Brand new, unworn
  • Dial color: black
  • Bezel color: blue
Posted at
Feb 15, 2026, 3:57 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a 45.5mm black dial and 600m water resistance.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Feb 15, 2026, 9:46 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm – First Gen Classic

Omega Seamaster Planet Ocean 600M – 42mm – First Gen Classic

Omega - 2201.51.00 · $2,950
This is a first-generation classic Omega Seamaster Planet Ocean 600M with a 42mm stainless steel case, black matte dial, and orange accents.

  • Condition: Excellent
  • Movement: Omega Calibre 2500 automatic chronometer
  • Water resistance: 600m
Posted at
Feb 14, 2026, 4:22 PM
Active
[WTS] Omega Seamaster Planet Ocean 42mm 2201.50.00 – Full Set – 2011 – $3,850

Omega Seamaster Planet Ocean 42mm 2201.50.00 – Full Set – 2011 – $3,850

Omega - 2201.50.00 · $3,850
For sale is my Omega Seamaster Planet Ocean 42mm, featuring a stainless steel case, black dial and bezel, Co-Axial automatic movement, and water resistance up to 2000ft.

  • Condition: Good overall condition
  • Case size: 42mm diameter
  • Water resistance: 600m / 2000ft
  • Movement type: Omega Co-Axial automatic
Posted at
Feb 13, 2026, 1:32 PM
Active
[WTS] NEW 2026 OMEGA SEAMASTER PLANET OCEAN 42MM BLUE DIAL 600M 217.30.42.21.01.002 COMPLETE SET!!

NEW 2026 OMEGA SEAMASTER PLANET OCEAN 42MM BLUE DIAL 600M 217.30.42.21.01.002 COMPLETE SET!!

A brand new Omega Seamaster Planet Ocean watch with a beautiful black dial and blue bezel, featuring a stainless steel case.

  • Condition: BRAND NEW/UNWORN
  • Dial color: Black/Blue
  • Case size: 42mm diameter
  • Water resistance: 600m depth rating
Posted at
Feb 13, 2026, 6:46 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

This Omega Seamaster Planet Ocean 600M features a stainless steel case with a black dial and bezel, Omega Co-Axial automatic movement, and 600m water resistance.

  • Condition: Very good to excellent pre-owned with minimal wear
  • Case size: 45.5mm diameter
  • Water resistance: 600m / 2000ft
  • Movement type: Omega Co-Axial automatic movement
Posted at
Feb 12, 2026, 3:22 PM
Active