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 Ultra Deep 215.30.46.21.04.001 $8,100

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $8,100

The Omega Seamaster Planet Ocean Ultra Deep is an extremely robust and technically impressive dive watch with a staggering 6,000-meter depth rating. Released in 2022 as a production version of the prototype that went to the deepest point on Earth, the watch features high-performance engineering but oversized dimensions.

  • Condition: Minty condition, excellent time keeping
  • Case diameter: 45mm
  • Lug width: 22mm
  • Lug-to-lug: 51.9mm
Posted at
Dec 9, 2025, 12:13 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

This Omega Seamaster Planet Ocean is a 42mm watch with a 7-inch bracelet, featuring fresh polish.

  • Bracelet length: 7 inch
  • Case size: 42mm
Posted at
Dec 8, 2025, 6:10 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega - 21530442103001 · $4,250
A robust dive watch from Omega's Planet Ocean lineup, featuring a blue ceramic dial and bezel, with a stainless steel case.

  • Condition: Unworn/mint condition
  • Case size: 43.5mm diameter
  • Movement: Calibre 8900 automatic chronometer
  • Depth rating: 600m / 2000 feet / 60 bar
Posted at
Dec 8, 2025, 11:50 AM
Active
[WTS] 2011 Omega Seamaster Planet Ocean, 42mm Generation 1

2011 Omega Seamaster Planet Ocean, 42mm Generation 1

Omega - 2201.51 · $3,000
2011 Omega Seamaster Planet Ocean, Generation 1, 42mm in good condition and running well.

  • Condition: Good condition with nicks and dents
  • Movement: 2500D movement
  • Bracelet Length: 7.6 inches
  • Bracelet Size: adjusts up to 7.6 inches
Posted at
Dec 7, 2025, 3:37 PM
Active
[WTS] Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

A Omega Seamaster Planet Ocean 45mm is for sale with its original packaging and accessories.

  • Condition: Some hairline scratches on the case, small knick on lug, signs of wear on bracelet
  • Box And Papers: Yes, including outer/inner boxes, instruction manual, warranty card, original accessories
  • Shipping: Via FedEx Ground with signature confirmation
  • Payment Methods: Zelle preferred, PayPal G&S available, banks wire
Posted at
Dec 7, 2025, 12:04 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

A discontinued Limited Edition Skyfall Omega Seamaster Planet Ocean 600M with a black patterned dial and in-house caliber 8507b movement, water resistant up to 600 meters.

  • Condition: Pre-owned, recently serviced by Omega
  • Case size: 42mm
  • Water resistance: 600m (~2000ft)
  • Movement: Caliber 8507b with silicon balance spring
Posted at
Dec 6, 2025, 1:47 PM
Active
[wts] Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

This Omega Seamaster Planet Ocean Titanium is a 45.5mm watch under warranty, with a factory warranty valid until November 2027.

  • Condition: Excellent condition
  • Size: 45.5mm diameter
  • Water resistance: no specific value mentioned
Posted at
Dec 6, 2025, 12:25 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This Omega Seamaster Planet Ocean is a high-end diver's watch with a 45.5mm case, featuring a stainless steel construction and impressive water resistance.

  • Condition: exceptional condition
  • Warranty Valid Until: NOV 2027
  • Shipping Method: FedEx
  • Payment Methods: zelle, venmo, wire, applepay
Posted at
Dec 6, 2025, 12:10 PM
Active
[wts] Omega Seamaster Planet Ocean Black 8900 43.5mm 215.30.44.21.01.001 under warranty

Omega Seamaster Planet Ocean Black 8900 43.5mm 215.30.44.21.01.001 under warranty

A black Omega Seamaster Planet Ocean with a 43.5mm case, under warranty until AUG 2029.

  • Condition: Excellent
  • Warranty: valid through AUG 2029
  • Boxes and papers: included
Posted at
Dec 6, 2025, 12:08 PM
Active