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

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

Omega - 232.32.44.22.01.001 · $4,000.004
This Omega Seamaster Planet Ocean GMT is a 43.5mm watch with a factory warranty valid through November 2028. It's in good condition and comes as a full set.

  • Condition: Good condition
  • Warranty Valid Until: NOV 2028
  • Shipping Method: FedEx
  • Payment Options: zelle, venmo, wire, applepay
Posted at
Jun 10, 2025, 11:53 AM
Active
OMEGA Seamaster Planet Ocean 42mm | ref. 2201.50 | Watch + Cards

OMEGA Seamaster Planet Ocean 42mm | ref. 2201.50 | Watch + Cards

OMEGA - 2201.50 · $4,000.004
A 42mm Omega Seamaster Planet Ocean watch with crystal clean and movement running strong, but showing light scratches on the case and some wear on the bezel.

  • Condition: Gently preowned
  • Case size: 42mm
  • Bracelet condition: minimal signs of use
  • Included items: Warranty Card (Dated 2010), Chronometer Card, Pictogram Card, Omega Pouch
Posted at
Jun 9, 2025, 6:12 PM
Active
[wts] Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

This Omega Seamaster Planet Ocean GMT features a 43.5mm case size and is under factory warranty until November 2028.

  • Condition: Good condition
  • Warranty Valid Until: November 2028
  • Case Size: 43.5mm
Posted at
Jun 9, 2025, 5:21 PM
Active
Omega Seamaster Planet Ocean 2200.50.00 – $3,000 OBO

Omega Seamaster Planet Ocean 2200.50.00 – $3,000 OBO

Omega - 2200.50.00 · $3,000.003
A classic and highly sought-after diver from Omega's legendary lineup, featuring a black dial, unidirectional bezel, and original stainless steel bracelet.

  • Condition: Excellent overall condition with light wear consistent with careful use
  • Movement: Omega Caliber 2500 Co-Axial
  • Water Resistance: 600M / 2000ft
  • Crystal: Sapphire
Posted at
Jun 7, 2025, 1:12 PM
Active
2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

2021 Omega Seamaster Planet Ocean 'Oreo' GMT is a luxury watch with minor wear on the case.

  • Condition: Very Good Condition
  • Case Wear: Minor
  • Box Condition: Outer white box flap is loose
  • Accessories: Double Box,All 3 Omega Cards (Warranty dated 6/8/21),Hangtag, Manual, Customer Service papers,Extra Black/white Rubber Strap
Posted at
Apr 4, 2025, 3:36 PM
Active
Omega SEAMASTER PLANET OCEAN 600M STEEL SUMMER BLUE DIAL 39.5MM 2024 FULL SET

Omega SEAMASTER PLANET OCEAN 600M STEEL SUMMER BLUE DIAL 39.5MM 2024 FULL SET

This is a 2024 Omega Seamaster Planet Ocean 600m in stainless steel with a blue ceramic bezel and brushed ceramic blue gradient dial.

  • Condition: Excellent, unpolished condition
  • Movement: Co-Axial Master Chronometer calibre 8900
  • Water resistance: 600m
  • Diameter: 39.5mm
Posted at
Apr 3, 2025, 9:35 PM
Active
Like New Omega Seamaster Planet Ocean Orange 600 Mt. 43.5 mm 215.32.44.21.01.001

Like New Omega Seamaster Planet Ocean Orange 600 Mt. 43.5 mm 215.32.44.21.01.001

The Omega Seamaster Planet Ocean is a high-end diver's watch featuring a polished black ceramic dial, orange rubber bezel, and a stainless-steel case with a 43.5 mm diameter.

  • Condition: Like New
  • Case Size: 43.5mm
  • Case Thickness: 16.5mm
  • Between Lugs: 21mm
Posted at
Mar 28, 2025, 3:04 AM
Active