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

Reference 2909.50.91

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

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 600M – Ref. 215.30.44.21.01.001 – Full Set / Retail Ready / $4,300 Shipped

Omega Seamaster Planet Ocean 600M – Ref. 215.30.44.21.01.001 – Full Set / Retail Ready / $4,300 Shipped

Omega - 215.30.44.21.01.001 · $4,300
Up for sale is my beautiful Omega Seamaster Planet Ocean 600M, a 43.5 mm diver that combines luxury design with serious tool-watch performance.

  • Condition: Excellent / Retail Ready (Cleaned & Inspected)
  • Case Size: 43.5mm
  • Case Material: Stainless Steel
  • Bezel Type: Black Ceramic
Posted at
Oct 26, 2025, 12:45 PM
Active
View listing on r/WatchExchange
[WTS]Excellent Omega Seamaster Planet Ocean 2208.50 Full Set Condition $2750 Shipped SALE

Excellent Omega Seamaster Planet Ocean 2208.50 Full Set Condition $2750 Shipped SALE

Omega - 2208.50 · $2,750
This Omega Seamaster Planet Ocean is a stainless steel automatic watch with a 45mm case width, suitable for men's wrists up to 20cm.

  • Condition: Pre Owned, with little wear & marks
  • Case Width: 45mm (without crown)
  • Band Type: Stainless steel
  • Band Condition: Preowned
Posted at
Oct 26, 2025, 11:55 AM
Active
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[WTS] Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega - 2200.50 · $2,799
The Omega Seamaster Planet Ocean Ref. 2200.50 is a Co-Axial dive model featuring a matte black dial with luminous broad-arrow hands, applied indices, and glossy black bezel.

  • Condition: Excellent overall with light surface hairlines on case and bracelet from normal wear
  • Case size: 45.5mm diameter
  • Water resistance: 600m / 2000ft depth rating
Posted at
Oct 23, 2025, 9:53 AM
Active
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[WTS] Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega - 2218.50 · $2,499
This Omega Seamaster Planet Ocean Chronograph features a 45.5mm case and is equipped with a chronograph function. It has been used and could benefit from a service to improve its accuracy.

  • Condition: Pre-owned, minor scratches
  • Depth rating: 600m
  • Bracelet type: Aftermarket
  • Movement accuracy: -20 sec per day
Posted at
Oct 21, 2025, 5:48 PM
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[WTS] OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA - 2200.50 · $3,800
The OMEGA Seamaster Planet Ocean is a serious diver with a 45.5mm steel presence, black dial, and 600 meters of water resistance.

  • Condition: preowned with minor flaws (swirls on dial)
  • Bracelet material: SS
  • Water resistance: 600m
Posted at
Oct 21, 2025, 4:00 PM
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[WTS] OMEGA Seamaster Planet Ocean 600M

OMEGA Seamaster Planet Ocean 600M

OMEGA - Seamaster Planet Ocean 600M · $4,400
A brand new Omega Seamaster Planet Ocean 600M purchased from an Authorized Dealer in 2021, serviced by Omega in 2023 and showing normal light wear.

  • Condition: Excellent condition, lightly worn from desk use
  • Purchase Year: 2021
  • Serviced By: Omega
  • Bezel Replaced: due to slight looseness
Posted at
Oct 21, 2025, 2:31 PM
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[WTS] Omega Seamaster Planet Ocean

Omega Seamaster Planet Ocean

Omega - Planet Ocean · $7,000
Posted at
Oct 20, 2025, 1:46 PM
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[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Serviced

Omega - 232.30.42.21.01.004 · $4,999
The Omega Seamaster Planet Ocean 600M is a limited edition Skyfall watch with unique features such as Easter eggs and a handsome black dial. It's a supremely legible watch with a robust movement and impressive water resistance.

  • Condition: Excellent, serviced by Omega in August
  • Movement: In-house caliber 8507b, silicon balance spring
  • Water Resistance: 600m (~2000 feet)
  • Size: 42mm diameter
Posted at
Oct 19, 2025, 1:00 PM
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[WTS] (Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

(Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

Omega - 232.30.46.21.01.003 · $2,900
Planet Ocean model with a black face, 45.5mm case size, and excellent timegrapher numbers.

  • Condition: Excellent
  • Case Size: 45.5mm
Posted at
Oct 18, 2025, 1:32 AM
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