Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Titanium / LiquidMetal / Bracelet

Reference 232.90.42.21.03.001

About this watch

The Omega Seamaster Planet Ocean 600M is a stunning luxury dive watch that embodies the perfect blend of innovative technology, robust design, and versatility. Its deep blue color and titanium case are both visually striking and functional, making it suitable for both casual wear and formal occasions. The rotating bezel, marked from 0 to 60, allows divers to keep track of their immersion time easily, while the tactile feedback when rotating the bezel is satisfying and precise. Comfort is key when selecting a luxury watch, and the Seamaster Planet Ocean 600M features a lightweight and adjustable titanium bracelet that ensures a snug fit on your wrist. With its water resistance of 600 meters, this watch is perfectly suited for diving enthusiasts, while its Co-Axial escapement reduces friction and enhances accuracy. Whether you're exploring coral reefs or enjoying a swim in your backyard pool, you can trust this watch to withstand the pressure. The Seamaster Planet Ocean series is Omega's tribute to marine exploration, making it a unique and timeless piece that's sure to turn heads.
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MSRP: $8,600
Market Price: $4,547

Key Features

  • Omega caliber 8500 Co-Axial movement
  • 600m water resistance
  • 42mm titanium case
  • Rotating bezel with 0-60 markings
  • Sapphire glass crystal

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Titanium / LiquidMetal / Bracelet
Reference
232.90.42.21.03.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

This limited edition Skyfall Omega Seamaster Planet Ocean 600M is one of just over 5,000 numbered pieces, featuring a handsome black patterned dial and a 42mm case size. The watch boasts an in-house caliber 8507b movement with increased anti-magnetic properties and a water resistance of 600 meters.

  • Condition: Excellent, serviced by Omega in August
  • Case Size: 42mm
  • Water Resistance: 600m (~2000ft)
  • Movement: Omega Calibre 8507b
Posted at
Jan 25, 2026, 12:01 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m Summer Blue - $5,699 - Cheapest anywhere!

Omega Seamaster Planet Ocean 600m Summer Blue - $5,699 - Cheapest anywhere!

The Omega Seamaster Planet Ocean 600m Summer Blue is a standout in the Seamaster collection, featuring a gradient dial and 600m water resistance.

  • Condition: Used/Great condition
  • Size: 39.5mm diameter
  • Dial: Summer Blue gradient
  • Caseback: Commemorative engraving of Poseidon and his seahorses
Posted at
Jan 24, 2026, 6:26 PM
Active
[wts] Omega Seamaster Planet Ocean 8900 43.5mm black orange 215.32.44.21.01.001

Omega Seamaster Planet Ocean 8900 43.5mm black orange 215.32.44.21.01.001

This Omega Seamaster Planet Ocean 8900 features a black and orange color scheme, housed in a 43.5mm case.

  • Condition: exceptional
  • Case Size: 43.5mm
  • Warranty Expiration: February 2030
Posted at
Jan 23, 2026, 9:58 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,799 Shipped

Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,799 Shipped

This Omega Seamaster Planet Ocean 600M Chronograph features a stainless steel case, unidirectional red ceramic bezel, sapphire crystal, and 600m water resistance. Powered by the Omega Co-Axial Master Chronometer Calibre 9900.

  • Condition: Great overall with some surface scuffs and hairlines on the stainless steel case
  • Case diameter: 45.5mm
  • Movement: Omega Co-Axial Master Chronometer Calibre 9900
  • Depth rating: 600m / 2000ft
Posted at
Jan 23, 2026, 9:36 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,500🔥

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,500🔥

OMEGA - 215.30.46.21.03.002 · $12,500
This OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 represents the pinnacle of deep-sea engineering, originally developed for the Five Deeps Expedition and featuring a massive 45.5mm case crafted from high-grade stainless steel O-MEGASTEEL.

  • Condition: UNWORN
  • Case material: O-MEGASTEEL
  • Diameter: 45.5mm
  • Water resistance: 6000 meters (20,000 feet)
Posted at
Jan 23, 2026, 9:18 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,250🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,250🔥

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
  • Water Resistance: 600m (2000ft)
  • Movement: Co-Axial Caliber 8500
Posted at
Jan 23, 2026, 9:17 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 42mm – Early Gen Classic

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

Omega - 2201.51.00 · $2,950
The Omega Seamaster Planet Ocean 600M is a robust dive watch with a 42mm stainless steel case, black matte dial, and orange accents.

  • Condition: Excellent condition
  • Case size: 42mm diameter
  • Water resistance: 600m
Posted at
Jan 23, 2026, 8:14 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

This Omega Seamaster Planet Ocean features a 45.5mm case with an orange bezel, originally coming with black strap and deployant clasp but now equipped with an OEM mesh/milanese bracelet.

  • Condition: Near mint and full set
  • Bracelet type: mesh/milanese
  • Bezel color: orange
Posted at
Jan 23, 2026, 4:38 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.001

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.001

This Omega Seamaster Planet Ocean 8500 is a 45.5mm model with additional details.

  • Condition: great condition
  • Case Size: 45.5mm
  • Shipping Method: FedEx
Posted at
Jan 23, 2026, 4:06 AM
Active