Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Orange Rubber

Reference 2918.50.83

About this watch

The Omega Seamaster Planet Ocean 2918.50.83 is a luxury dive watch that combines adventure and precision. With its robust design and impressive specifications, it's a favorite among divers and watch enthusiasts alike. The bold black dial with vibrant orange hands and markers gives it a sporty yet sophisticated edge. Protected by a sapphire crystal, the watch is scratch-resistant and offers excellent clarity. At the heart of this timepiece is the Omega Caliber 3313, an automatic movement boasting a chronograph function and Co-Axial escapement. With a 52-hour power reserve and impressive water resistance of 600 meters, it's built for the depths. The combination of stainless steel and rubber ensures that this watch can withstand harsh conditions, making it a reliable companion for any water enthusiast. Whether you're diving or just splashing around, this watch can handle it all. With its stunning dial, robust case, and cutting-edge technology, the Omega Seamaster Planet Ocean is a remarkable blend of style and performance.
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MSRP: $6,900
Market Price: $3,872

Key Features

  • Omega Caliber 3313 movement
  • 600 meter water resistance
  • Sapphire crystal
  • 45.5 mm stainless steel case
  • Chronograph function
  • Co-Axial escapement
  • 52-hour power reserve

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Orange Rubber
Reference
2918.50.83
Movement
3313
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Co-Axial Escapement
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4000 Shipped

Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4000 Shipped

This Omega Seamaster Planet Ocean is a 43.5mm stainless steel watch with a blue ZrO₂ ceramic dial and bezel, powered by the Caliber 8900 Co-Axial Master Chronometer movement, rated to 600m/2000ft.

  • Condition: Excellent overall with minor wear and hairlines
  • Case size: 43.5mm diameter
  • Water resistance: 600m/2000ft
  • Movement: Caliber 8900 Co-Axial Master Chronometer (60-hour power reserve)
Posted at
Jan 12, 2026, 11:03 AM
Active
[WTS] Omega Seamaster Planet Ocean GMT 600M “Oreo” - 215.30.44.22.01.001

Omega Seamaster Planet Ocean GMT 600M “Oreo” - 215.30.44.22.01.001

This Omega Seamaster Planet Ocean GMT 600M 'Oreo' comes with additional accessories and is in very good condition, with some damage to the outer cardboard box.

  • Condition: very good pre-owned condition
  • Box Condition: outer box has some damage
  • Accessories: includes inner box, warranty, pictogram/master chrono cards, instruction booklet, AD purchase receipt
Posted at
Jan 9, 2026, 11:13 AM
Active
[WTS] 2018 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Full set

2018 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Full set

A limited edition Seamaster Planet Ocean 600M created for the 2018 Olympic Winter Games, featuring a bold and sporty design with elegant luxury presence, available in two different strap options.

  • Condition: Very good pre-owned condition with little signs of wear, including a barely visible imperfection on the crystal just to the left of the date window.
  • Case material: Stainless steel
  • Strap options: Blue rubber strap with red accents and stainless steel bracelet
  • Water resistance: 600M
Posted at
Jan 8, 2026, 2:14 PM
Active
[WTS] Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $2999

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $2999

This Omega Seamaster Planet Ocean is listed for sale with its original box and papers.

  • Condition: The bezel and crystal are clean and clear, but the Case has some faint hairline scratches and one very small knick on the lug, with signs of wear on the bracelet.
  • Box And Papers: Yes
  • Shipping: via FedEx Ground with signature confirmation
Posted at
Jan 7, 2026, 1:34 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 · $4,500
The Omega Seamaster Planet Ocean 600M Blue Ceramic features a stainless steel case, blue ceramic dial, and unidirectional bezel with Liquidmetal diving scale. It has an automatic chronometer movement and is water resistant to 600 meters.

  • Condition: Unworn/mint condition
  • Case Size: 43.5mm
  • Movement Type: Automatic chronometer
Posted at
Jan 6, 2026, 2:31 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

This Omega Seamaster Planet Ocean GMT is a 43.5mm watch that features a 'very good' condition, with some light scratches on the clasp and bracelet.

  • Condition: Very good condition with minor wear
  • Size: 43.5mm diameter
  • Water Resistance: 600m depth rating
  • Movement Accuracy: +-0 seconds lost per day
Posted at
Jan 6, 2026, 2:04 PM
Active
[wts] Omega Seamaster Planet Ocean 2500 1st gen 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 1st gen 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
This is a first-generation Omega Seamaster Planet Ocean, model 2500, with a 42.5mm case size.

  • Condition: great condition
  • Case Size: 42.5mm
Posted at
Jan 4, 2026, 3:05 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 8500 is a high-end dive watch with exceptional condition and still under warranty.

  • Condition: exceptional condition
  • Warranty Valid Until: NOV 2027
Posted at
Jan 4, 2026, 3:03 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

The Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with additional details.

  • Condition: great condition
  • Case size: 45.5mm diameter
Posted at
Jan 4, 2026, 2:58 PM
Active