Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Orange / Rubber

Reference 2909.50.91

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 2909.50.91 is a masterpiece that beautifully marries adventure with sophistication. This stunning watch features a sleek stainless steel case, a black dial with mixed indexes, and vibrant orange accents. The rotating bezel is a vital feature for divers, allowing for easy tracking of dive times. At the heart of this timepiece lies the Omega Caliber 2500 co-axial movement, a significant leap in watchmaking technology designed to improve accuracy and reduce maintenance frequency. With a power reserve of 48 hours, you can confidently take this watch off for a weekend without worrying about it stopping. The rubber strap adds comfort while the stainless steel case ensures durability. This watch is built for serious underwater adventures with a water resistance of 600 meters.
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MSRP: $3,750
Market Price: $3,070

Key Features

  • Omega Caliber 2500 co-axial movement
  • Water resistance: 600 meters
  • Rotating 0-60 bezel (dive)
  • 42mm case diameter
  • Rubber strap for comfort and style
  • Black dial with mixed indexes and orange accents

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Orange / Rubber
Reference
2909.50.91
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

The Omega Seamaster Planet Ocean 8900 Blue is a luxury dive watch featuring a 43.5mm case and a factory warranty valid until NOV 2028.

  • Condition: Gently used with boxes in great condition
  • Warranty Valid Until: NOV 2028
  • Shipping Options: via FedEx anywhere in the US
Posted at
Apr 11, 2026, 4:36 PM
Active
[wts] Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

This Omega Seamaster Planet Ocean 8900 Blue is a 43.5mm watch with factory warranty valid through SEP 2028.

  • Case size: 43.5mm diameter
Posted at
Apr 11, 2026, 4:33 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

This Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with a full set available for sale.

  • Condition: great condition
  • Case diameter: 45.5mm
Posted at
Apr 11, 2026, 4:31 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 45.5mm | Ref. 2200.50 | Cal. 8500 | Full Set + OEM Rubber Strap

Omega Seamaster Planet Ocean 600M 45.5mm | Ref. 2200.50 | Cal. 8500 | Full Set + OEM Rubber Strap

Omega - 2200.50 · $3,400
Selling a 2011 Omega Seamaster Planet Ocean 600M with an in-house Co-Axial Caliber 8500 movement, a milestone reference for collectors, featuring a 45.5mm stainless steel case and black aluminum bezel.

  • Movement: Caliber 8500 Co-Axial
  • Power reserve: 60 hours
  • Water resistance depth rating: 600m / 2000ft
Posted at
Apr 11, 2026, 3:40 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M James Bond 007 SKYFALL Limited Edition 1 of 5,007 Full set Box & Papers

Omega Seamaster Planet Ocean 600M James Bond 007 SKYFALL Limited Edition 1 of 5,007 Full set Box & Papers

This Omega Seamaster Planet Ocean 600M James Bond 007 SKYFALL Limited Edition features a matt structured black dial, 42mm case size, and 'SKYFALL 007' engraved rotor.

  • Condition: Excellent
  • Limited edition: 1 of 5,007
  • Case size: 42mm
  • Bracelet type: stainless steel
Posted at
Apr 11, 2026, 2:00 PM
Active
[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

Up for sale is a Omega Seamaster Planet Ocean 600m Titanium Blue, a high-end diver's watch from 2025.

  • Condition: Excellent condition with minimal signs of wear
  • Depth rating: 600m
  • Year: 2025
  • Case material: Titanium
Posted at
Apr 11, 2026, 1:15 PM
Active
[WTS] Omega Seamaster Planet Ocean 232.90.42.21.03.001 With a box and papers

Omega Seamaster Planet Ocean 232.90.42.21.03.001 With a box and papers

The Omega Seamaster Planet Ocean is a lightweight and comfortable watch in full titanium, featuring a 42mm case and automatic movement.

  • Condition: Good overall condition, unpolished with honest signs of normal wear
  • Case size: 42mm
  • Material: Titanium
  • Bracelet material: Titanium
Posted at
Apr 11, 2026, 12:51 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: Very Good, few superficial scratches on case
  • Movement: Co-Axial Caliber 8500
  • Water Resistance Depth: 2000 feet
  • Case Size: 42mm
Posted at
Apr 10, 2026, 9:15 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium case and bracelet, and is equipped with an automatic chronometer movement.

  • Condition: Mint condition
  • Case material: Titanium
  • Bracelet material: Titanium
  • Water resistance: 600 meter / 2000 feet
Posted at
Apr 10, 2026, 1:45 PM
Active