Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

Reference 2900.50.37

About this watch

The Omega Seamaster Planet Ocean 2900.50.37 is a luxury watch that embodies style, functionality, and adventure. Founded in 1848, Omega has established itself as a titan in the watch industry, known for precision, quality, and innovative technology. This timepiece features the Omega Caliber 2500 movement, a co-axial version of the ETA 2892-A2 designed to enhance accuracy and reduce friction. The black dial, adorned with luminous markers and hands, ensures readability in any environment. The watch's robust stainless steel case is comfortable on the wrist, while the sapphire crystal protects the dial from scratches and impacts. With a water resistance of 600 meters, it's built for serious divers but doesn't shy away from elegance. The Seamaster Planet Ocean 2900.50.37 is a true embodiment of the brand's dedication to excellence, blending ruggedness and elegance in its design.
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MSRP: $4,200
Market Price: $3,536

Key Features

  • Omega Caliber 2500 movement
  • 600m water resistance
  • Sapphire crystal glass
  • 45.5mm stainless steel case
  • Rotating bezel with 0-60 markings
  • Black dial with luminous markers and hands
  • 48-hour power reserve

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator
Reference
2900.50.37
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

Omega Seamaster Planet Ocean 600M | 2024 | Titanium | Full Set | OBO | 215.90.44.21.99.001| Warranty 2029

Omega Seamaster Planet Ocean 600M | 2024 | Titanium | Full Set | OBO | 215.90.44.21.99.001| Warranty 2029

Omega - 215.90.44.21.99.001 · £6,395.006
The Omega Seamaster Planet Ocean 600M is a titanium watch with a 43.5mm diameter, brushed grey ceramic unidirectional bezel, and sandblasted grade 5 titanium dial.

  • Condition: Used but in excellent condition
  • Case material: Grade 5 titanium
  • Diameter: 43.5mm
  • Thickness: ~16.1mm
Posted at
Jun 11, 2025, 11:09 AM
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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
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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
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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
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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