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] Omega Seamaster Planet Ocean Blue 8900 43.5mm 215.30.44.21.03.001 UNDER WARRANTY

Omega Seamaster Planet Ocean Blue 8900 43.5mm 215.30.44.21.03.001 UNDER WARRANTY

This Omega Seamaster Planet Ocean Blue is a 43.5mm model with a factory warranty valid until September 2028.

  • Condition: Excellent condition
  • Case Size: 43.5mm
  • Warranty Valid Until: SEP 2028
Posted at
Jul 4, 2025, 3:00 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 Titanium 45.5mm 232.90.46.21.03.001

Omega Seamaster Planet Ocean 8500 Titanium 45.5mm 232.90.46.21.03.001

The Omega Seamaster Planet Ocean 8500 Titanium is a high-end diving watch featuring a 45.5mm titanium case and a micro adjustable clasp.

  • Condition: Excellent condition and full set, light wear only
  • Case material: titanium
  • Water resistance: 300m
Posted at
Jul 4, 2025, 2:58 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – Ref. 215.32.44.21.01.001 – Full Set | Recently Serviced by Omega | $5,300 + Label

Omega Seamaster Planet Ocean 600M – Ref. 215.32.44.21.01.001 – Full Set | Recently Serviced by Omega | $5,300 + Label

This Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer is a 43.5mm stainless steel watch featuring a black ceramic bezel, Liquidmetal dive scale, and an Omega Co-Axial Master Chronometer Cal. 8900 movement.

  • Condition: Pre-owned, recently serviced by Omega
  • Case size: 43.5mm diameter
  • Movement: Omega Co-Axial Master Chronometer Cal. 8900
  • Power reserve: 60 hours
Posted at
Jul 3, 2025, 11:12 PM
Active
[WTS] 2016 Omega Seamaster Planet Ocean 600m 232.32.42.21.01.003

2016 Omega Seamaster Planet Ocean 600m 232.32.42.21.01.003

This Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer is a rugged yet refined dive watch, featuring a black ceramic bezel and striking black dial.

  • Condition: Excellent condition with some normal wear
  • Case size: 42mm
  • Bracelet type: Black AM Bracelet
  • Box and papers: Yes, includes inner box, warranty card, pictograms card
Posted at
Jul 3, 2025, 3:45 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,690

Omega Seamaster Planet Ocean 2201.50 42mm - $2,690

Omega - 2201.50 · $2,690
Up for sale is my very good condition Omega Seamaster Planet Ocean 2201.50 with a 42mm steel case, automatic Omega Calibre 2500 movement, and original Omega steel bracelet.

  • Condition: Very good condition, minor marks on case, caseback, and bracelet
  • Movement: Omega Calibre 2500
  • Case size: 42mm diameter
  • Bracelet size: up to 6.75-7 inch wrists depending on wrist shape
Posted at
Jul 2, 2025, 9:55 PM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph Ref - 215.32.46.51.01.004 Full Set!

Omega Seamaster Planet Ocean Chronograph Ref - 215.32.46.51.01.004 Full Set!

A commanding presence on the wrist, this latest release in grayscale has a unique look that can be dressed up or down.

  • Condition: good with minor ding on lower left lug
  • Water Resistance: 300m
Posted at
Jul 1, 2025, 6:28 PM
Active