Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires

Reference 2905.50.38

About this watch

The Omega Seamaster Planet Ocean 2905.50.38 is a masterpiece of luxury watchmaking, blending robust design with superior movement and luxurious materials. This diving watch exudes sophistication, featuring a stunning blue color, gem-set bezel, and mother-of-pearl dial that reflects light beautifully. The Omega caliber 2500 automatic movement enhances precision and reduces friction, while the sapphire glass provides scratch-resistance. With its impressive water resistance of 600 meters, this watch is built for serious divers and suitable for both casual and formal occasions.
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Key Features

  • Omega Caliber 2500 Automatic Movement
  • Water Resistance up to 600 Meters
  • White Gold and Stainless Steel Construction
  • Gem-Set Bezel with Sapphire Glass
  • Mother-of-Pearl Dial with Mixed Indexes
  • Chronometer-Certified for Precision Timekeeping

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires
Reference
2905.50.38
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 600M – 42mm Titanium – Box & Papers 2025

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Box & Papers 2025

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium 42mm case and bracelet, with an Omega Calibre 8500 automatic chronometer and 600 meter water resistance.

  • Condition: Mint condition
  • Case material: Full titanium
  • Bracelet material: Titanium
  • Water resistance: 600 meter / 2000 feet
Posted at
Mar 25, 2026, 2:26 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Case size: 42mm diameter
  • Bracelet material: Steel
  • Bezel insert material: Aftermarket
Posted at
Mar 25, 2026, 4:07 AM
Active
[WTS] Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Omega - 232.92.46.21.03.001 · $10,400
A Precision Chrono DK is selling an Omega Seamaster Planet Ocean 600M Titanium, featuring a titanium case and other details.

  • Condition: Very Good
  • Case material: titanium
  • Water resistance: 600m
Posted at
Mar 25, 2026, 1:46 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

An Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer 44mm, featuring a bold 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS.

  • Condition: Very good
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial Master Chronometer Calibre 8900
  • Water resistance: 600m / 2000ft
Posted at
Mar 24, 2026, 8:18 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - 2201.50 · $2,990
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Movement: Calibre 2500
  • Bracelet size: original Omega steel bracelet
  • Case condition: 8.9/10
Posted at
Mar 22, 2026, 11:08 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 600m features a black dial and 45.5mm case size, perfect for diving or everyday wear.

  • Condition: Fantastic condition, minor hairlines
  • Case Size: 45.5mm diameter
Posted at
Mar 22, 2026, 9:40 AM
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 features a 45.5mm case, offering a large and stylish design. The watch is still under warranty until November 2027.

  • Condition: exceptional condition
  • Case size: 45.5mm diameter
  • Warranty valid until: November 2027
Posted at
Mar 21, 2026, 11:22 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

This Omega Seamaster Planet Ocean is a 45.5mm watch with a 600m depth rating.

  • Condition: Pre-owned, polished
  • Diameter: 45.5mm
  • Depth Rating: 600m
Posted at
Mar 21, 2026, 7:30 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, with few superficial scratches on case
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
  • Case material: stainless steel
Posted at
Mar 21, 2026, 7:09 PM
Active