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

Reference 2912.50.48

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 (model number 2912.50.48) is a statement piece that exudes luxury and sophistication. Its blend of white gold and stainless steel creates a sumptuous feel, while the gem-set bezel adds an air of elegance. The stunning blue dial with mother-of-pearl finish is a true masterpiece, reflecting light beautifully and changing hues as you move it around. The mixed indexes and arrow hands enhance readability, ensuring that you can tell the time at a glance, even underwater. At the heart of this watch is the innovative Omega caliber 2500 movement, a co-axial version of the ETA 2892-A2, promising precision, reliability, and durability. With its impressive water resistance of 600 meters, this watch is perfect for both diving enthusiasts and those who appreciate high-end horology.
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Key Features

  • Omega Caliber 2500 Co-Axial Movement
  • 600M Water Resistance
  • White Gold and Stainless Steel Case
  • Gem-Set Bezel
  • Blue Mother of Pearl Dial
  • Mixed Indexes and Arrow Hands
  • Sapphire Crystal

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires / Short Strap
Reference
2912.50.48
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] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue watch, featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Model type: Seamaster Planet Ocean 600m Titanium Blue
  • Water resistance: 600m depth rating
  • Year: 2025
Posted at
Apr 8, 2026, 12:23 PM
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[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

Omega - 232.30.46.21.01.002 · $2,999
The Omega Seamaster Planet Ocean is a 45.5mm diver's watch with a depth rating of 600m.

  • Condition: Pre-owned
  • Case size: 45.5mm diameter
  • Depth rating: 600m
Posted at
Apr 7, 2026, 4:47 PM
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[WTS] OMEGA Seamaster Planet Ocean Chronograph 600M 45.5mm REF 215.30.46.51.01.001 Box&Papers

OMEGA Seamaster Planet Ocean Chronograph 600M 45.5mm REF 215.30.46.51.01.001 Box&Papers

OMEGA - 215.30.46.51.01.001 · $5,850
A stunning Omega Seamaster Planet Ocean Chronograph with a 45.5mm case, available in complete set including inner wood box and papers.

  • Condition: Very good condition with light hairlines on the case
  • Year: 2020
  • Size: 45.5mm diameter
  • Box condition: Inner wood Omega presentation box is complete but the box and pillow are flaky
Posted at
Apr 7, 2026, 11:18 AM
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[WTS] Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega - 217.32.42.21.01.001 · $7,000
This Omega Seamaster Planet Ocean 600M is one of Omega's newest releases, a stunning and sporty watch that feels refined enough to wear anywhere.

  • Condition: new
  • Year: 2025
  • Retail Price: $8,600
  • Shipping Included: yes
Posted at
Apr 7, 2026, 9:12 AM
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[WTS](Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

(Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

Omega - 232.30.46.21.01.003 · $2,900
A black Omega Seamaster Planet Ocean with a rich history of being bought and sold on this forum. The watch is in amazing condition and was barely worn since its last service.

  • Condition: like new, recently serviced
  • Previous owner's sales history: over 100 sales
  • Face to face sale requirement: FaceTime is required for the sale
Posted at
Apr 6, 2026, 10:41 PM
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[WTS] Omega Seamaster Planet Ocean 600M 2013 Full Set

Omega Seamaster Planet Ocean 600M 2013 Full Set

Omega - 232.30.42.21.01.003 · $4,295
This Omega Seamaster Planet Ocean 600M is a modern professional dive watch with high-depth water resistance, in-house movement technology, and everyday wearability.

  • Condition: Like New
  • Movement: Omega Caliber 8500 Co-Axial movement
  • Water Resistance: 600 meters
  • Crystal: Sapphire
Posted at
Apr 6, 2026, 10:58 AM
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[WTS] Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,990

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card S - $2,990

Omega - 2201.51 · $2,990
This Omega Seamaster Planet Ocean 2201.51 is a high-end watch with an automatic movement and a steel case on original Omega bracelet.

  • Condition: Very good condition for its age
  • Movement: Omega Calibre 2500 movement
  • Bracelet Size Fit: up to 7-7.25 inch wrists
Posted at
Apr 5, 2026, 9:56 PM
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[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,890

Omega Seamaster Planet Ocean 2201.50 42mm - $2,890

Omega - Planet Ocean 2201.50 · $2,890
This listing is for a Omega Seamaster Planet Ocean 42mm watch.

  • Case size: 42mm
Posted at
Apr 5, 2026, 9:27 PM
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[WTS][US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

[US] Omega Seamaster Planet Ocean Chrono 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,550
This Omega Seamaster Planet Ocean Chrono 600m features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic condition with minor hairlines
  • Case Size: 45.5mm diameter
  • Water Resistance: 600m depth rating
Posted at
Apr 5, 2026, 1:34 PM
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