Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 18 Sapphires

Reference 2904.50.38

About this watch

The Omega Seamaster Planet Ocean 2904.50.38 is a stunning luxury watch that combines technical prowess with elegant design. Its round case with a diameter of 45.5 mm boasts a bold and eye-catching presence on the wrist. The blue dial, complemented by a gem-set bezel, creates an elegant contrast that is both sophisticated and sporty. Crafted from white gold and stainless steel, this watch exudes luxury and durability. The sapphire crystal glass is scratch-resistant, ensuring your watch remains pristine even after years of wear. At the heart of this timepiece is the Omega Caliber 2500, a reliable and accurate co-axial movement that promises to keep ticking accurately. With a frequency of 25,200 vibrations per hour and a power reserve of 48 hours, it's a marvel of engineering. The watch features an impressive water resistance of up to 600 meters, making it perfect for diving enthusiasts and water sports lovers. Its analog display is straightforward, making it easy to read the time at a glance. Additionally, the date function is a handy feature for those who like to keep track of the calendar without pulling out their phones.
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Key Features

  • Omega Caliber 2500 Co-Axial Movement
  • Water Resistance up to 600 meters
  • Sapphire Crystal Glass
  • Blue Mother of Pearl Dial

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 18 Sapphires
Reference
2904.50.38
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
45.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

The Omega Seamaster Planet Ocean 600M is a limited edition Skyfall watch with unique features such as Easter eggs and a handsome black dial. It's a supremely legible watch with a robust movement and impressive water resistance.

  • Condition: Excellent, serviced by Omega in August
  • Movement: In-house caliber 8507b, silicon balance spring
  • Water Resistance: 600m (~2000 feet)
  • Size: 42mm diameter
Posted at
Oct 19, 2025, 1:00 PM
Active
[WTS] (Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

(Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

Planet Ocean model with a black face, 45.5mm case size, and excellent timegrapher numbers.

  • Condition: Excellent
  • Case Size: 45.5mm
Posted at
Oct 18, 2025, 1:32 AM
Active
[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

A near-mint Omega Seamaster Planet Ocean Orange 8500 in 45mm, featuring a gray bezel swapped for an OEM orange one and a new style OEM mesh/milanese bracelet.

  • Condition: Near mint
  • Bracelet Type: Mesh/Milanese
  • Bezel Color: Orange
Posted at
Oct 17, 2025, 9:24 PM
Active
[wts] Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

A Omega Seamaster Planet Ocean GMT Good Planet, featuring a 43.5mm case size.

  • Condition: Good
  • Case Diameter: 43.5mm
Posted at
Oct 17, 2025, 9:21 PM
Active
[wts] Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

This Omega Seamaster Planet Ocean Chronograph is a well-maintained timepiece with factory warranty valid through NOV 2027.

  • Condition: Great condition with boxes and papers
Posted at
Oct 17, 2025, 9:01 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M - 43.5mm - Black Dial - Boxes & Papers

Omega Seamaster Planet Ocean 600M - 43.5mm - Black Dial - Boxes & Papers

This Omega Seamaster Planet Ocean 600M features a black dial and comes in at 43.5mm in size. It has clean crystal with no hairlines on the case.

  • Condition: great condition with clean crystal and no hairlines
  • Case Size: 43.5mm
  • Water Resistance: 600m
Posted at
Oct 17, 2025, 1:17 AM
Active
[WTS] Omega Seamaster Planet Ocean 1st Gen 42mm Automatic

Omega Seamaster Planet Ocean 1st Gen 42mm Automatic

Omega - 22095000 · $2,950
The Omega Seamaster Planet Ocean is a robust dive watch with a 600m water resistance, launched in 2005 to celebrate Omega's dive heritage. It features a stainless steel case, black matte dial, and orange aluminum bezel.

  • Condition: Excellent condition all around
  • Case size: 42mm diameter
  • Bezel material: aluminum
  • Water resistance: 600m
Posted at
Oct 15, 2025, 12:54 PM
Active
2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

2021 Omega Seamaster Planet Ocean 'Oreo' GMT is a luxury watch with minor wear on the case.

  • Condition: Very Good Condition
  • Case Wear: Minor
  • Box Condition: Outer white box flap is loose
  • Accessories: Double Box,All 3 Omega Cards (Warranty dated 6/8/21),Hangtag, Manual, Customer Service papers,Extra Black/white Rubber Strap
Posted at
Apr 4, 2025, 3:36 PM
Active