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

Reference 2912.50.38

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

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

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

Omega - 232.92.44.22.03.001 · $4,995

Up for sale is a Omega Seamaster Planet Ocean 600m Titanium Blue, a watch that features a 2025 model year and has been thoroughly tested on a timegrapher.

Condition: Excellent condition with minimal signs of wear
Year: 2025
Case material: Titanium
Water resistance: 600m

Posted at

Apr 30, 2026, 9:54 AM

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[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,450

This Omega Seamaster Planet Ocean is a 45.5mm watch with a black dial and features a depth rating of 600m.

Condition: Fantastic with minor hairlines on case, clasp, or bracelet
Case Diameter: 45.5mm
Water Resistance: 600m

Posted at

Apr 30, 2026, 7:37 AM

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Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

Omega - 232.90.42.21.03.001 · $4,950

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

Condition: Mint condition
Case material: Titanium
Bracelet material: Titanium
Water resistance: 2000 feet / 600 meters

Posted at

Apr 29, 2026, 11:07 AM

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Omega Seamaster Planet Ocean GMT 43.5mm Black/Orange Dial | 2021 Full Set |232.32.44.22.01.002

Omega - 232.32.44.22.01.002 · $3,750

The Omega Seamaster Planet Ocean GMT features a 43.5mm case with a black and orange dial, including the GMT function.

Condition: Great condition
Case diameter: 43.5mm
Material: Black/Orange Dial

Posted at

Apr 29, 2026, 12:14 AM

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Omega Seamaster Planet Ocean 232.30.46.21.01.001 – 45.5mm – 2015 – Full Set

Omega - 232.30.46.21.01.001 · $3,950

This Omega Seamaster Planet Ocean 45.5mm is a bold dive watch with strong wrist presence and Omega’s proven Co-Axial movement, built for durability and performance.

Condition: Good overall condition
Case size: 45.5mm
Movement type: Omega Co-Axial automatic
Crystal material: Sapphire crystal

Posted at

Apr 28, 2026, 12:46 PM

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Omega Seamaster Planet Ocean 232.30.42 42mm Box and Papers - $3,650 - Reserved Post for u/Confident_Wallaby611

Omega - 232.30.42 · $3,650

A pre-owned Omega Seamaster Planet Ocean in excellent condition, with a steel case and original bracelet.

Condition: Pre-owned in great condition with minimal marks/hairlines
Case size: 42mm diameter
Bracelet type: original Omega steel
Box and papers included: yes

Posted at

Apr 27, 2026, 10:10 PM

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Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - 2201.50 · $2,650

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

Condition: Very good condition with minimal marks/hairlines and light marks on bezel insert
Case size: 42mm diameter
Movement type: Automatic
Bracelet material: Steel

Posted at

Apr 27, 2026, 9:21 PM

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Omega Seamaster Planet Ocean 600m 2201.51 42mm - $2,690

Omega - 2201.51 · $2,690

Up for sale is the Omega Seamaster Planet Ocean 600m with an automatic Omega Calibre 2500 movement, measuring at 42mm in diameter. This watch has all functions working well within COSC standards.

Condition: great condition for its age
Case size: 42mm
Movement: Omega Calibre 2500
Bracelet size: 7-7.25 inch

Posted at

Apr 26, 2026, 9:51 PM

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