Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Orange Numerals / Bracelet / Panama Canal

Reference 232.30.46.21.01.005

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial is a masterpiece that has captivated watch enthusiasts and collectors alike. This limited edition piece, released between 2011 and 2016, showcases Omega's commitment to precision, durability, and style. The stainless steel case feels robust yet comfortable on the wrist, while the black dial with orange numerals creates a stunning contrast that is both modern and highly legible. At the heart of this beauty is the Omega caliber 8500, an automatic movement featuring a Co-Axial escapement that minimizes friction between components, enhancing precision and longevity. This watch is more than capable of handling deep-sea dives with its impressive 600 meters of water resistance and rotating bezel for timing dives. The scratch-resistant sapphire crystal protects the dial from everyday wear and tear, while the design contours to the wrist, making it comfortable to wear. One of the standout features of this watch is its legibility, ensuring excellent visibility even in low-light conditions. This timepiece is a worthy addition to any watch collection, balancing functionality and style. It's a symbol of adventure, elegance, and engineering excellence, perfect for both underwater adventures and formal occasions.
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Key Features

  • Omega caliber 8500 automatic movement
  • 600 meters water resistance
  • Rotating bezel with clear markings (0-60)
  • Scratch-resistant sapphire crystal
  • Black dial with orange numerals
  • Stainless steel case and bracelet
  • Co-Axial escapement for enhanced precision

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Orange Numerals / Bracelet / Panama Canal
Reference
232.30.46.21.01.005
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[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
[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

This listing is for an Omega Seamaster Planet Ocean Chronograph, a high-end diving watch with a 45.5mm case diameter and various features.

  • Condition: Excellent condition
  • Case size: 45.5mm
  • Shipping method: FedEx
Posted at
Jan 23, 2026, 3:46 AM
Active