Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 37.5 Stainless Steel / Diamond / White / Alligator

Reference 232.18.38.20.04.001

Omega Seamaster Planet Ocean 600M Co-Axial 37.5 Stainless Steel / Diamond / White / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M is a masterpiece of watchmaking that combines cutting-edge technology with timeless design. This luxurious timepiece boasts an impressive water resistance of up to 600 meters, making it perfect for deep-sea adventures or formal occasions. At its heart lies the robust and precise Omega caliber 8520 movement, showcasing the brand's commitment to precision and reliability. With a power reserve of up to 50 hours and chronometer certification, this watch is not just a stylish accessory but also a reliable companion. The 37.5 mm stainless steel case provides a comfortable fit for various wrist sizes, while the white dial with indexes and arrow hands adds a sporty yet elegant touch. The gem-set bezel adds a bling factor, ensuring that this timepiece stands out in any setting. Whether you're diving, swimming, or simply making a statement, the Omega Seamaster Planet Ocean 600M is sure to impress.
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MSRP: $16,200
Market Price: $5,600

Key Features

  • Omega caliber 8520 movement
  • Sapphire glass for scratch-resistance and clarity
  • Water resistance of up to 600 meters
  • 37.5 mm stainless steel case
  • Gem-set bezel for added luxury
  • Chronometer certification for accuracy
  • Power reserve of up to 50 hours

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 37.5 Stainless Steel / Diamond / White / Alligator
Reference
232.18.38.20.04.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 37.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
600

Current Listings

[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 listing is for an Omega Seamaster Planet Ocean 8500, a watch with a 45.5mm case size.

  • Condition: Great
  • Case Diameter: 45.5mm
Posted at
May 16, 2026, 12:54 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500
This Omega Seamaster Planet Ocean 8500 features a 45.5mm case size and is available for sale in excellent condition, complete with all original accessories.

  • Condition: Excellent condition
  • Size: 45.5mm diameter
  • Case material: unknown
Posted at
May 15, 2026, 2:44 PM
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[wts] Omega Seamaster Planet Ocean GMT GoodPlanet 232.30.44.22.03.001 43.5mm

Omega Seamaster Planet Ocean GMT GoodPlanet 232.30.44.22.03.001 43.5mm

Omega - 232.30.44.22.03.001 · $4,900
This Omega Seamaster Planet Ocean GMT features a 43.5mm case and is available with its original boxes and papers.

  • Condition: Excellent
  • Case Diameter: 43.5mm
Posted at
May 15, 2026, 2:41 PM
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[WTS] Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,695

Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,695

Omega - 232.92.42.21.03.001 · $4,695
  • Case material: titanium
  • Case size: 42mm
Posted at
May 15, 2026, 9:16 AM
Active
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[WTS] Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega - 2200.51 · $3,995
This Omega Seamaster Planet Ocean features a 45mm stainless steel case, black dial and bezel, Co-Axial Caliber 2500 automatic movement, and 600m water resistance. It is a great everyday diver with strong build quality and classic design.

  • Condition: Very clean overall with light wear consistent with age
  • Case size: 45mm diameter
  • Movement type: Co-Axial Caliber 2500
  • Water resistance depth: 600m
Posted at
May 15, 2026, 9:11 AM
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[WTS] Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega - 215.30.44.21.01.001 · $4,650
The Omega Planet Ocean is a high-end diver's watch with a 43.5mm case, featuring a Master Chronometer certification and 600M water resistance.

  • Condition: Great Pre-Owned
  • Case Size: 43.5mm diameter
  • Depth Rating: 600m
  • Water Resistance: 30ATM
Posted at
May 14, 2026, 7:41 PM
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,400
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m depth rating
Posted at
May 14, 2026, 7:19 AM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega - Planet Ocean 2201.51 · $2,690
This Omega Seamaster Planet Ocean 2201.51 is a 42mm automatic watch with an Omega Calibre 2500 movement. It has a steel case and original Omega steel bracelet.

  • Condition: Very good condition, with minimal marks/hairlines on case and bracelet
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Crystal type: AR Coating
Posted at
May 14, 2026, 4:30 AM
Active
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[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Mint Set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Mint Set

Omega - 232.90.42.21.03.001 · $4,950
The Omega Seamaster Planet Ocean 600M features a titanium case and bracelet, blue ceramic bezel and dial, and an automatic chronometer movement.

  • Condition: Mint condition
  • Case size: 42mm
  • Water resistance: 2000ft / 600m
  • Movement: Omega Calibre 8500 automatic chronometer
Posted at
May 13, 2026, 12:51 PM
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