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

Reference 222.18.42.20.01.001

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a masterpiece of watchmaking, blending stunning design with robust functionality. Its black dial, gem-set bezel, and alligator leather strap exude luxury and sophistication. The watch's impressive water resistance of up to 600 meters makes it perfect for diving enthusiasts, while its reliable and precise Omega Caliber 2500 movement ensures accuracy day after day. This timepiece is not just a watch; it's a statement that tells the world you appreciate quality, craftsmanship, and the finer things in life.
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Key Features

  • 42mm Stainless Steel Case
  • Gem-Set Bezel with Diamonds
  • Sapphire Crystal for Water Resistance up to 600m
  • Omega Caliber 2500 Automatic Movement
  • Date Function and Hours, Minutes, Seconds Display

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / Black / Alligator
Reference
222.18.42.20.01.001
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500
This OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water resistance to 6,000 meters and a lacquered dial with gradient finish.

  • Condition: UNWORN
  • Case size: 45.5mm diameter
  • Water resistance: 6000m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8912
Posted at
Dec 22, 2025, 9:08 AM
Active
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[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA - 232.32.42.21.01.003 · $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
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Dec 22, 2025, 9:01 AM
Active
View listing on r/WatchExchange
[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

Omega - 232.32.46.21.01.003 · $3,600
This Omega Seamaster Planet Ocean Orange features a 45.5mm case, comes with a new OEM mesh/milanese bracelet and has a gray bezel that was swapped for an orange one.

  • Condition: Near mint
  • Bracelet type: Omega mesh
  • Case size: 45.5mm
Posted at
Dec 20, 2025, 9:30 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500
This Omega Seamaster Planet Ocean 8500 is a high-end diver's watch featuring a 45.5mm case size and available under warranty until November 2027.

  • Condition: exceptional condition
  • Case Size: 45.5mm
Posted at
Dec 20, 2025, 9:15 PM
Active
View listing on r/WatchExchange
[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

Omega - 232.30.46.51.01.001 · $4,500
This Omega Seamaster Planet Ocean Chronograph is a 45.5mm model with various features.

  • Condition: Excellent
  • Diameter: 45.5mm
Posted at
Dec 20, 2025, 8:19 PM
Active
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[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500
This Omega Seamaster Planet Ocean features a 45.5mm case and is available with full set.

  • Condition: great condition
  • Case diameter: 45.5mm
Posted at
Dec 20, 2025, 8:16 PM
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[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
A 42.5mm Omega Seamaster Planet Ocean 2500 is being sold in excellent condition with its original boxes and papers.

  • Condition: Great condition
  • Case size: 42.5mm
Posted at
Dec 20, 2025, 8:13 PM
Active
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[WTS] Omega Seamaster Planet Ocean “Creamsicle” - 215.30.44.21.04.001 - Travel box and papers

Omega Seamaster Planet Ocean “Creamsicle” - 215.30.44.21.04.001 - Travel box and papers

Omega - 215.30.44.21.04.001 · $4,798
The Omega Seamaster Planet Ocean 600M “Creamisicle” delivers all of the performance of Omega’s dive watch heritage highlighted by a signature eye-catching orange bezel.

  • Condition: Great pre-owned condition with minor signs of wear
  • Case size: 43.5mm
  • Depth rating: 600m (60 bar/2,000 feet)
  • Movement: Omega Master Chronometer calibre 8900 self-winding mechanical movement
Posted at
Dec 19, 2025, 5:03 PM
Active
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[WTS] Omega Seamaster Planet Ocean 2201.50

Omega Seamaster Planet Ocean 2201.50

Omega - Planet Ocean 2201.50 · $3,750
The Omega Seamaster Planet Ocean is a 42mm watch purchased through Chrono24 from a reputable seller in Japan, sold with original box and accessories.

  • Condition: 8.9/10
  • Size: 42mm diameter
  • Last service date: unknown
Posted at
Dec 18, 2025, 5:11 AM
Active
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