Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires

Reference 2912.50.38

About this watch

The Omega Seamaster Planet Ocean 2912.50.38 is a masterclass in technical excellence and luxury appeal. Crafted from a stunning combination of white gold and stainless steel, this watch exudes rugged elegance while boasting cutting-edge technology. The mesmerizing blue mother of pearl dial features mixed indexes and arrow hands for easy readability, even underwater. At the heart of this timepiece lies the Omega caliber 2500, an automatic movement renowned for its Co-Axial escapement, reducing friction among its parts and enhancing accuracy and longevity. With a power reserve of 48 hours and certified chronometric performance, this watch is designed for serious divers and water enthusiasts. Its stunning design, robust functionality, and luxurious materials make it a fantastic choice for anyone who appreciates high-quality timepieces. The Omega Seamaster Planet Ocean 2912.50.38 is not just a watch; it's a statement piece that combines style, performance, and durability in perfect harmony.
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Key Features

  • Omega caliber 2500 automatic movement
  • Co-Axial escapement for enhanced accuracy and longevity
  • 48-hour power reserve
  • Certified chronometric performance
  • 600m water resistance
  • White gold and stainless steel construction
  • Sapphire glass crystal

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires
Reference
2912.50.38
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $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 with minimal marks/hairlines
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:52 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

The Omega Seamaster Planet Ocean 600M features a titanium 42mm case and bracelet, with a blue ceramic bezel and dial.

  • Condition: Mint condition
  • Case Size: 42mm diameter
  • Water Resistance: 600m / 2000ft
  • Movement: Omega Calibre 8500
Posted at
Mar 18, 2026, 3:33 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2200.50

Omega Seamaster Planet Ocean - 2200.50

Omega - 2200.50 · $3,300
This Omega Seamaster Planet Ocean ref. 2200.50 is the classic Co-Axial model powered by Omega caliber 2500, featuring a black dial and black bezel, along with sapphire crystal and 600m water resistance.

  • Condition: Pre-owned with scratches on AR coating
  • Water Resistance: 600m
  • Case Size: 45.5mm diameter
  • Movement: Omega caliber 2500 (Co-Axial)
Posted at
Mar 18, 2026, 10:18 AM
Active
[WTS] Omega Seamaster Planet Ocean Blk & Orange $5299

Omega Seamaster Planet Ocean Blk & Orange $5299

a black and orange Omega Seamaster Planet Ocean watch for sale

  • Color: Black & Orange
Posted at
Mar 17, 2026, 9:09 AM
Active
[WTS] Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

A 43.5mm stainless steel Omega Seamaster Planet Ocean 600M 'Good Planet' watch with a vibrant blue dial, polished blue ceramic bezel, and orange GMT accents.

  • Case diameter: 43.5 mm
  • Thickness: 17.25 mm
  • Lug width: 21 mm
Posted at
Mar 16, 2026, 10:00 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M
45.5 mm, steel on steel $3200

Omega Seamaster Planet Ocean 600M 45.5 mm, steel on steel $3200

Omega - 2208.50.00 · $3,200
The Omega Seamaster Planet Ocean 600M is a stylish dive watch that pays homage to OMEGA’s maritime legacy, featuring a black dial with a date window and an orange unidirectional rotating divers’ bezel on a stainless steel case.

  • Case Diameter: 45.5 mm
  • Water Resistance: 600m / 60 bar
  • Movement Power Reserve: 48 hours
Posted at
Mar 16, 2026, 5:47 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m, 2201.51, 42mm, Black Dial and Bezel, Steel Bracelet, Box & Papers

Omega Seamaster Planet Ocean 600m, 2201.51, 42mm, Black Dial and Bezel, Steel Bracelet, Box & Papers

Omega - 2201.51 · $3,600
The Omega Seamaster Planet Ocean 600m is a classic dive watch with a functional combination of features, including a 42mm case diameter and distinctive black dial.

  • Condition: Very good, previously cherished condition
  • Case diameter: 42mm
  • Bracelet length: fits 7.25" wrist comfortably with 2 extra links
Posted at
Mar 16, 2026, 3:10 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 45.5mm Automatic Ref# 215.30.46.51.01.001 with Boxes & Papers

Omega Seamaster Planet Ocean 600M 45.5mm Automatic Ref# 215.30.46.51.01.001 with Boxes & Papers

This Omega Seamaster Planet Ocean 600M is a stylish and elegant timepiece, presented in excellent condition with all original accessories.

  • Condition: Clean, polished
  • Box Type: Inner Wooden Box and Outer White Cardboard box
  • Papers: 2020 dated Warranty Card,Pictogram Card,Master Chronometer Card
  • Shipping Method: 2nd day air insured Fedex
Posted at
Mar 15, 2026, 11:25 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $3,150

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $3,150

Omega - 2201.50 · $3,150
Up for sale is my Omega Seamaster Planet Ocean 2201.50, a great condition watch measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age, minor marks and hairlines on case, caseback, and bracelet
  • Movement: Omega Calibre 2500
  • Case size: 42mm
  • Bracelet material: Steel
Posted at
Mar 15, 2026, 9:56 PM
Active