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

[WTS] Omega Seamaster Planet Ocean 600m “Sochi 2014” Limited Edition - No. 1629/2014 - Ref. 522.30.46.21.01.001 - Complete Set

Omega Seamaster Planet Ocean 600m “Sochi 2014” Limited Edition - No. 1629/2014 - Ref. 522.30.46.21.01.001 - Complete Set

Omega - 522.30.46.21.01.001 · $4,500
This Omega Seamaster Planet Ocean 600M 'Sochi 2014' Limited Edition is a unique commemorative piece produced in a run of just 2,014 pieces worldwide. It features a case diameter of 45.5mm and a stainless steel case material. The watch has a black dial and a domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides.

  • Condition: Good condition with signs of wear present, consistent with a used watch
  • Case diameter: 45.5mm
  • Lug-to-lug: 51.5mm
  • Thickness: 16.6mm
Posted at
Apr 23, 2026, 4:12 PM
Active
View listing on r/WatchExchange
[WTS] 2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

Omega - 232.30.42.21.01.001 · $4,395
Up for sale is a Omega Seamaster Planet Ocean 600m 42mm Black, thoroughly tested on a timegrapher and running well.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
Posted at
Apr 23, 2026, 3:08 PM
Active
View listing on r/WatchExchange
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

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
A Omega Seamaster Planet Ocean 600m Titanium Blue watch in excellent condition is being sold for $4,995. The watch features a titanium blue case and has been thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Case material: Titanium
  • Depth rating: 600m
Posted at
Apr 23, 2026, 3:02 PM
Active
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[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 · $4,475
Up for sale is an Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic, minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m
  • Depth rating: 600m
Posted at
Apr 23, 2026, 8:34 AM
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View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M 43.5mm (Ref. 215.30.44.21.01.002) - Full Kit

Omega Seamaster Planet Ocean 600M 43.5mm (Ref. 215.30.44.21.01.002) - Full Kit

Omega - 215.30.44.21.01.002 · $2,700
A Omega Planet Ocean 600M with a 43.5mm case, orange accents on the bezel and incredible karma for its owner.

  • Condition: Excellent
  • Bracelet material: Steel
  • Comes with: all boxes and cards
Posted at
Apr 22, 2026, 2:27 PM
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[WTS] 🏒🥅🚨 2026 Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer — Unworn, White Dial, Orange Bezel — Full Set — Ref. 215.30.44.21.04.001

🏒🥅🚨 2026 Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer — Unworn, White Dial, Orange Bezel — Full Set — Ref. 215.30.44.21.04.001

Omega - 215.30.44.21.04.001 · $6,950
The 2026 Omega Seamaster Planet Ocean 600M pairs a crisp white dial with a vibrant orange bezel for a bold, modern dive watch aesthetic that still feels classically Omega.

  • Condition: Unworn
  • Case Size: 43.5 mm
  • Water Resistance: 600 m
  • Movement: Master Chronometer
Posted at
Apr 21, 2026, 10:38 PM
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[WTS] OMEGA Seamaster Planet Ocean 600m 215.32.44.21.01.001 43.5mm

OMEGA Seamaster Planet Ocean 600m 215.32.44.21.01.001 43.5mm

Omega - 215.32.44.21.01.001 · $5,000
This Omega Seamaster Planet Ocean 600M features a 43.5mm case size with a sapphire crystal and an Omega Co-Axial Master Chronometer (Cal. 8900) movement.

  • Condition: Good, unpolished
  • Case size: 43.5mm diameter
  • Movement: Omega Co-Axial Master Chronometer (Cal. 8900)
  • Crystal: Sapphire
Posted at
Apr 21, 2026, 2:39 PM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega - 2201.51 · $2,850
The Omega Seamaster Planet Ocean 2201.51 is an automatic watch with a 42mm steel case, on original Omega steel bracelet.

  • Condition: Very good condition, minimal marks/hairlines
  • Case size: 42mm
  • Bracelet length range: 7-7.25 inches
Posted at
Apr 21, 2026, 4:08 AM
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[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

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 blue ceramic bezel and dial, titanium case, and bracelet, with an Omega Calibre 8500 automatic chronometer.

  • Condition: Mint
  • Case size: 42mm diameter
  • Bracelet material: titanium
  • Water resistance: 600m / 2000ft
Posted at
Apr 20, 2026, 11:18 AM
Active
View listing on r/WatchExchange