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

Reference 2912.50.48

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] OMEGA SEAMASTER PLANET OCEAN 600M (2025 Model) Brand New, Unworn. 217.32.42.21.01.002. New Model

OMEGA SEAMASTER PLANET OCEAN 600M (2025 Model) Brand New, Unworn. 217.32.42.21.01.002. New Model

A 2025 Omega Seamaster Planet Ocean 600M in its full set with sticker, tag, box and December 2025 card date.

  • Condition: Brand new
  • Year: 2025
  • Depth rating: 600m
Posted at
Dec 17, 2025, 11:16 PM
Active
[WTS] Omega Seamaster Planet Ocean 215.32.43.21.04.001 America's Cup Full Set!

Omega Seamaster Planet Ocean 215.32.43.21.04.001 America's Cup Full Set!

This Omega Seamaster Planet Ocean is a special edition commemorating the brand's participation as official timekeeper for the America's Cup, featuring a stunning white dial and red/blue accents.

  • Set: complete
  • Included items: watch,box,operations manual,pictogram,chronograph,warranty cards
  • Shipping: overnight, fully insured with signature required
Posted at
Dec 17, 2025, 8:29 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M James Bond - Quantum of Solace - 42mm

Omega Seamaster Planet Ocean 600M James Bond - Quantum of Solace - 42mm

A Omega Seamaster Professional Planet Ocean 600M Diver, worn by Daniel Craig in the movie Quantum of Solace, featuring a 42mm stainless steel case and black matte dial with black aluminum bezel.

  • Case Size: 42mm
  • Material: stainless steel
  • Dial Color: black
Posted at
Dec 16, 2025, 4:22 PM
Active
[WTS] Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega - 2209.50 · $2,795
A Omega Seamaster Planet Ocean available in a 42mm case size with an orange bezel, considered one of the best variations by the seller.

  • Condition: Excellent shape, very light wear around the piece
  • Case Size: 42mm diameter
  • Bezel Type: orange
Posted at
Dec 16, 2025, 1:01 PM
Active
[WTS] Omega Seamaster Planet Ocean 2900.50.81 – 45.5mm Co-Axial💥 – $2,399 Shipped

Omega Seamaster Planet Ocean 2900.50.81 – 45.5mm Co-Axial💥 – $2,399 Shipped

Omega - 2900.50.81 · $2,399
The Omega Seamaster Planet Ocean features a black dial, 45.5mm case, and Co-Axial Chronometer movement. It has a 600m water resistance and is equipped with a helium escape valve.

  • Condition: Good overall with honest wear
  • Case Size: 45.5mm
  • Water Resistance: 600m
Posted at
Dec 15, 2025, 9:51 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

a Omega Seamaster Planet Ocean 600m watch in a 42mm size with a 7 inch long bracelet.

  • Bracelet length: 7 inch
Posted at
Dec 15, 2025, 8:07 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m Worldtimer | 45.5mm Ceramic Diver | ref. 215.92.46.22.01.007

Omega Seamaster Planet Ocean 600m Worldtimer | 45.5mm Ceramic Diver | ref. 215.92.46.22.01.007

Omega - 215.92.46.22.01.007 · $11,850
A complete Omega Seamaster Planet Ocean 600m Worldtimer with a 45.5mm ceramic case, featuring a worldtimer function and 600m depth rating.

  • Condition: 10/10
  • Case Size: 45.5mm diameter
  • Depth Rating: 600m
Posted at
Dec 15, 2025, 4:26 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M "Ultra Deep" Summer Blue Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA Seamaster Planet Ocean 6000M "Ultra Deep" Summer Blue Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500
The OMEGA Seamaster Planet Ocean 6000M 'Ultra Deep' Ref. 215.30.46.21.03.002 is a commercially available version of the deep-sea watch originally developed for the Five Deeps Expedition, featuring a massive 45.5mm case made from high-grade stainless steel and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: UNWORN
  • Material: O-MEGASTEEL
  • Water resistance: 6000m (20,000ft)
  • Diameter: 45.5mm
Posted at
Dec 14, 2025, 11:57 PM
Active