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.
Buy Now on Jomashop
This is an affiliate link

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 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

The Omega Seamaster Planet Ocean Orange features a 45.5mm case with a gray bezel, but was upgraded to an orange OEM bezel.

  • Condition: Near mint
  • Bracelet type: mesh/milanese bracelet
  • Original strap: black
  • Alternative clasp: deployant clasp
Posted at
Dec 27, 2025, 10:36 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This Omega Seamaster Planet Ocean 8500 features a 45.5mm case and is still under warranty until November 2027.

  • Condition: exceptional
  • Case Diameter: 45.5mm
  • Warranty Valid Until: NOV 2027
Posted at
Dec 27, 2025, 10:21 PM
Active
[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
This Omega Seamaster Planet Ocean 2500 is a 42.5mm watch with excellent condition and comes with boxes and papers.

  • Condition: Great condition with boxes and papers
  • Case Size: 42.5mm
Posted at
Dec 27, 2025, 10:16 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2200.50 - Clean Example!

Omega Seamaster Planet Ocean - 2200.50 - Clean Example!

Omega - 2200.50 · $2,795
For sale is an Omega Seamaster Planet Ocean 2200.50 in great condition with some very minimal wear on the bracelet.

  • Condition: Great condition, minimal wear on bracelet
  • Bracelet condition: Minimal wear
  • Amp: 300 amp movement power reserve
Posted at
Dec 27, 2025, 6:23 PM
Active
[WTS] 2024 Omega Seamaster Planet Ocean 600M 43.5mm Steel 215.30.44.21.01.002 Full Set

2024 Omega Seamaster Planet Ocean 600M 43.5mm Steel 215.30.44.21.01.002 Full Set

This listing features a 2024 Omega Seamaster Planet Ocean 600M, a high-end diver's watch made of stainless steel with a black ceramic dial.

  • Condition: Nice pre-owned condition with light scratches on the case and bracelet
  • Case material: Stainless Steel
  • Case dimensions: 43.5mm
  • Bezel: Rotating Dive Bezel with Black Ceramic & Orange Rubber Insert
Posted at
Dec 24, 2025, 5:43 PM
Active
[WTS] Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega - 2209.50 · $2,750
The Omega Seamaster Planet Ocean is a purpose-built diver with a 42mm case size and orange bezel. It's in excellent condition with minor marks on the AR crystal.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Bezel Type: orange bezel
  • Crystal Condition: minor marks on AR crystal
Posted at
Dec 23, 2025, 1:50 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
This OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water resistance to 6,000 meters and a lacquered dial with gradient finish.

  • Condition: UNWORN
  • Case size: 45.5mm diameter
  • Water resistance: 6000m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8912
Posted at
Dec 22, 2025, 9:08 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

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
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Dec 22, 2025, 9:01 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

This Omega Seamaster Planet Ocean Orange features a 45.5mm case, comes with a new OEM mesh/milanese bracelet and has a gray bezel that was swapped for an orange one.

  • Condition: Near mint
  • Bracelet type: Omega mesh
  • Case size: 45.5mm
Posted at
Dec 20, 2025, 9:30 PM
Active