Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Stainless Steel / Diamond / Black / Alligator

Reference 215.18.40.20.01.001

Omega Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Stainless Steel / Diamond / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 39.5 is a masterpiece of luxury watchmaking, expertly blending functionality with style. Its robust engineering and impressive technical features make it a worthy addition to any collection. The watch's striking black dial, adorned with mixed indexes and arrow hands, ensures legibility in any situation. Protected by a sapphire crystal, the dial is resistant to scratches and impacts. At its core lies the Omega caliber 8800 movement, certified as a Master Chronometer by METAS for precision, performance, and resistance to magnetic fields up to 15,000 gauss. With a water resistance of 600 meters, this watch can handle the rigors of ocean depths. The luxurious alligator leather strap adds a touch of sophistication, while the stainless steel case exudes durability.
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MSRP: $16,100
Market Price: $11,118

Key Features

  • Omega caliber 8800 movement
  • Master Chronometer certification
  • Water resistance up to 600 meters
  • Stainless Steel case
  • Gem-set bezel
  • Sapphire crystal dial protection
  • Luxurious alligator leather strap

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Stainless Steel / Diamond / Black / Alligator
Reference
215.18.40.20.01.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 37.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
Up for sale is a Omega Seamaster Planet Ocean 600m Titanium Blue, a high-end dive watch featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth Rating: 600m
Posted at
Apr 16, 2026, 5:39 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $2,999
The Omega Seamaster Planet Ocean is a high-end dive watch featuring a 600m water resistance and a 45.5mm case diameter.

  • Condition: pre-owned (polished)
  • Case Size: 45.5mm diameter
  • Water Resistance: 600m
Posted at
Apr 16, 2026, 10:12 AM
Active
View listing on r/WatchExchange
[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 · $4,500
This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a black dial and a 45.5mm case.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case Diameter: 45.5mm
  • Depth Rating: 600m
Posted at
Apr 16, 2026, 7:50 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2900.50

Omega Seamaster Planet Ocean 2900.50

Omega - 2900.50 · $3,100
A used Omega Seamaster Planet Ocean in good working order, sold with a new band and additional accessories.

  • Condition: good with minor issues
  • Case condition: few superficial scratches on case sides
  • Band condition: new
  • Included accessories: PO metal bracelet, warranty card, hang tag, manual, box
Posted at
Apr 15, 2026, 7:37 PM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,950

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,950

Omega - 2201.51 · $2,950
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Case size: 42mm diameter
  • Water resistance: 200m depth rating
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Apr 15, 2026, 4:32 AM
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[WTS] Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 (Feb 2026) – $6800

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 (Feb 2026) – $6800

Omega - 217.32.42.21.01.001 · $6,800
This Omega Seamaster Planet Ocean 600M is a stunning, bold, and sporty watch that feels refined enough to wear anywhere.

  • Condition: Brand new
  • Retail Price: $8,600 MSRP in the US
  • Shipping Included: true
  • Payment Methods: Zelle or PayPal
Posted at
Apr 14, 2026, 4:31 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M 232.92.42.21.03.001 42mm Titanium Blue 2020

Omega Seamaster Planet Ocean 600M 232.92.42.21.03.001 42mm Titanium Blue 2020

Omega - 232.92.42.21.03.001 · $4,775
A blue dial Omega Seamaster Planet Ocean 600M with a 42mm titanium case, featuring a Calibre 8500 automatic movement and 600m water resistance.

  • Condition: Excellent pre-owned condition with light wear
  • Case size: 42mm diameter
  • Material: titanium
  • Movement: Calibre 8500, Co-Axial, automatic
Posted at
Apr 12, 2026, 1:48 PM
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View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 232.30.42.21.01.003 – 42mm

Omega Seamaster Planet Ocean 232.30.42.21.01.003 – 42mm

Omega - 232.30.42.21.01.003
This is a listing for an Omega Seamaster Planet Ocean watch.

  • Model name: Planet Ocean
  • Case size: 42mm
Posted at
Apr 12, 2026, 12:51 PM
Active
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[WTS] Omega Seamaster Planet Ocean 215.30.44.21.01.002 – 43.5mm – Full Set

Omega Seamaster Planet Ocean 215.30.44.21.01.002 – 43.5mm – Full Set

Omega - 215.30.44.21.01.002 · $8,500
This Omega Seamaster Planet Ocean is a 43.5mm watch with additional details provided.

  • Case size: 43.5mm
Posted at
Apr 12, 2026, 12:15 PM
Active
View listing on r/WatchExchange