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.
Buy Now on Jomashop
This is an affiliate link
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” - 215.30.44.22.01.001 - Price Reduced!

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

This Omega Seamaster Planet Ocean GMT has a 43.5mm size and is in very good condition, showing light scratches on the clasp and bracelet.

  • Condition: Very good condition with minor wear
  • Size: 43.5mm diameter
  • Depth Rating: 300m water resistance
Posted at
Feb 18, 2026, 11:58 AM
Active
[WTS] Omega Seamaster Planet Ocean Black dial 39.5mm $4000

Omega Seamaster Planet Ocean Black dial 39.5mm $4000

This Omega Seamaster Planet Ocean features a black dial and 39.5mm case size, kept great time for almost two years.

  • Condition: Great condition, minor hairline clasps
  • Year of purchase: 2024
Posted at
Feb 18, 2026, 9:31 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA - 215.30.46.21.03.002 · $12,000
This commercially available OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 represents the pinnacle of deep-sea engineering, featuring a 45.5mm case made from O-MEGASTEEL and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: [UNWORN]
  • Material: O-MEGASTEEL
  • Diameter: 45.5mm
  • Depth rating: 6000m
Posted at
Feb 17, 2026, 11:07 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$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.
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Feb 17, 2026, 11:06 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

This is a 2025 Omega Seamaster Planet Ocean 6000M Summer Blue, one of the most beautiful dive watches seen with a black lacquered dial and rotating dive bezel.

  • Condition: Excellent pre-owned condition
  • Case Material: O-MEGASTEEL
  • Bezel: Stainless Steel Rotating Dive Bezel with Black Ceramic Insert
  • Dial Description: Black Lacquered Dial with Texture Representing The Challenger Deep
Posted at
Feb 17, 2026, 8:15 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