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 215.32.43.21.04.001 America's Cup Full Set!

Omega Seamaster Planet Ocean 215.32.43.21.04.001 America's Cup Full Set!

This Omega Seamaster Planet Ocean is a special edition commemorating the brand's participation as official timekeeper for the America's Cup, featuring a stunning white dial and red/blue accents.

  • Set: complete
  • Included items: watch,box,operations manual,pictogram,chronograph,warranty cards
  • Shipping: overnight, fully insured with signature required
Posted at
Dec 17, 2025, 8:29 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M James Bond - Quantum of Solace - 42mm

Omega Seamaster Planet Ocean 600M James Bond - Quantum of Solace - 42mm

A Omega Seamaster Professional Planet Ocean 600M Diver, worn by Daniel Craig in the movie Quantum of Solace, featuring a 42mm stainless steel case and black matte dial with black aluminum bezel.

  • Case Size: 42mm
  • Material: stainless steel
  • Dial Color: black
Posted at
Dec 16, 2025, 4:22 PM
Active
[WTS] Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega - 2209.50 · $2,795
A Omega Seamaster Planet Ocean available in a 42mm case size with an orange bezel, considered one of the best variations by the seller.

  • Condition: Excellent shape, very light wear around the piece
  • Case Size: 42mm diameter
  • Bezel Type: orange
Posted at
Dec 16, 2025, 1:01 PM
Active
[WTS] Omega Seamaster Planet Ocean 2900.50.81 – 45.5mm Co-Axial💥 – $2,399 Shipped

Omega Seamaster Planet Ocean 2900.50.81 – 45.5mm Co-Axial💥 – $2,399 Shipped

Omega - 2900.50.81 · $2,399
The Omega Seamaster Planet Ocean features a black dial, 45.5mm case, and Co-Axial Chronometer movement. It has a 600m water resistance and is equipped with a helium escape valve.

  • Condition: Good overall with honest wear
  • Case Size: 45.5mm
  • Water Resistance: 600m
Posted at
Dec 15, 2025, 9:51 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

a Omega Seamaster Planet Ocean 600m watch in a 42mm size with a 7 inch long bracelet.

  • Bracelet length: 7 inch
Posted at
Dec 15, 2025, 8:07 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m Worldtimer | 45.5mm Ceramic Diver | ref. 215.92.46.22.01.007

Omega Seamaster Planet Ocean 600m Worldtimer | 45.5mm Ceramic Diver | ref. 215.92.46.22.01.007

Omega - 215.92.46.22.01.007 · $11,850
A complete Omega Seamaster Planet Ocean 600m Worldtimer with a 45.5mm ceramic case, featuring a worldtimer function and 600m depth rating.

  • Condition: 10/10
  • Case Size: 45.5mm diameter
  • Depth Rating: 600m
Posted at
Dec 15, 2025, 4:26 PM
Active
[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
The OMEGA Seamaster Planet Ocean 6000M 'Ultra Deep' Ref. 215.30.46.21.03.002 is a commercially available version of the deep-sea watch originally developed for the Five Deeps Expedition, featuring a massive 45.5mm case made from high-grade stainless steel and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: UNWORN
  • Material: O-MEGASTEEL
  • Water resistance: 6000m (20,000ft)
  • Diameter: 45.5mm
Posted at
Dec 14, 2025, 11:57 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

This Omega Seamaster Planet Ocean 600M is a limited edition Skyfall model, featuring a black dial and 42mm case size. The watch has been recently serviced by Omega and comes with service receipt and removed parts.

  • Condition: Pre-owned, recently serviced by Omega in August (service receipt included)
  • Movement: Omega's in-house caliber 8507b with silicon balance spring for increased anti-magnetic properties
  • Water resistance: 600 meters (2000 feet)
  • Bracelet size: Sized to 7 inch wrist, with additional links included
Posted at
Dec 14, 2025, 2:46 PM
Active