Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

Reference 2906.50.38

About this watch

The Omega Seamaster Planet Ocean 2906.50.38 is a masterpiece of horology that embodies the perfect blend of style, functionality, and durability. This stunning timepiece features a round case measuring 45.5 mm in diameter, crafted from a combination of white gold and stainless steel, which provides exceptional strength and scratch resistance. The gem-set bezel adds a touch of luxury, while the blue dial made of mother-of-pearl reflects light beautifully, giving it a dynamic appearance that changes with movement. The Omega Caliber 2500 automatic movement is a marvel of engineering, boasting a frequency of 25,200 vibrations per hour and chronometer certification for accuracy and precision. With a water resistance of 600 meters, this watch is ready for any aquatic adventure you can think of. Whether you're diving into the ocean or attending a business meeting, the Seamaster Planet Ocean fits right in, thanks to its versatile design and high-quality stainless steel bracelet that feels secure and comfortable on the wrist.
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Key Features

  • Omega Caliber 2500 automatic movement
  • Chronometer certification
  • Water resistance of 600 meters
  • Gem-set bezel
  • Blue mother-of-pearl dial
  • Sapphire glass
  • Stainless steel and white gold construction

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire
Reference
2906.50.38
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 Black dial 39.5mm $4000

Omega Seamaster Planet Ocean Black dial 39.5mm $4000

This Omega Seamaster Planet Ocean features a black dial and 39.5mm case size, kept great time for almost two years.

  • Condition: Great condition, minor hairline clasps
  • Year of purchase: 2024
Posted at
Feb 18, 2026, 9:31 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,000🔥

OMEGA - 215.30.46.21.03.002 · $12,000
This commercially available OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 represents the pinnacle of deep-sea engineering, featuring a 45.5mm case made from O-MEGASTEEL and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: [UNWORN]
  • Material: O-MEGASTEEL
  • Diameter: 45.5mm
  • Depth rating: 6000m
Posted at
Feb 17, 2026, 11:07 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: [VERY GOOD] Few superficial scratches on case.
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Feb 17, 2026, 11:06 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

2025 Omega Seamaster Planet Ocean 6000M Summer Blue 215.30.46.21.03.002 Full Set

This is a 2025 Omega Seamaster Planet Ocean 6000M Summer Blue, one of the most beautiful dive watches seen with a black lacquered dial and rotating dive bezel.

  • Condition: Excellent pre-owned condition
  • Case Material: O-MEGASTEEL
  • Bezel: Stainless Steel Rotating Dive Bezel with Black Ceramic Insert
  • Dial Description: Black Lacquered Dial with Texture Representing The Challenger Deep
Posted at
Feb 17, 2026, 8:15 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

The Omega Seamaster Planet Ocean GMT 'Oreo' features a 43mm case and Calibre 8906 movement. It comes with a leather/rubber mixed strap and has a clean crystal.

  • Condition: Great preowned condition, some light normal wear scratches on lugs and case
  • Case size: 43mm
  • Water resistance: 600m
Posted at
Feb 16, 2026, 5:41 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega - 2209.50 · $2,650
A pre-owned Omega Seamaster Planet Ocean ref: 2209.50, available in a 42mm case size with an orange bezel, part of the planet ocean line, designed for divers.

  • Condition: Pre-owned with signs of wear, giving it a vintage aesthetic
  • Case Size: 42mm diameter
  • Bezel Color: orange
Posted at
Feb 16, 2026, 2:20 PM
Active
[WTS] Omega Seamaster Planet Ocean

Omega Seamaster Planet Ocean

A brand new, stickered 4th generation Omega Seamaster Planet Ocean with a black dial and blue bezel combination on the bracelet.

  • Condition: Brand new, unworn
  • Dial color: black
  • Bezel color: blue
Posted at
Feb 15, 2026, 3:57 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a 45.5mm black dial and 600m water resistance.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Feb 15, 2026, 9:46 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm – First Gen Classic

Omega Seamaster Planet Ocean 600M – 42mm – First Gen Classic

Omega - 2201.51.00 · $2,950
This is a first-generation classic Omega Seamaster Planet Ocean 600M with a 42mm stainless steel case, black matte dial, and orange accents.

  • Condition: Excellent
  • Movement: Omega Calibre 2500 automatic chronometer
  • Water resistance: 600m
Posted at
Feb 14, 2026, 4:22 PM
Active