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 2201.51 42mm Box and Card - $2,850

Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement. It has a steel case on original Omega steel bracelet and comes in double box, cards, manual, and watch on original bracelet.

  • Condition: Very good condition for its age with minimal marks/hairlines
  • Case size: 42mm diameter
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Movement type: automatic
Posted at
May 3, 2026, 9:00 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - 2201.50 · $2,650
Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition for its age, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition, minimal marks/hairlines on case and bracelet
  • Movement: Omega Calibre 2500, automatic
  • Bracelet length: not specified
Posted at
May 3, 2026, 8:52 PM
Active
[WTS] Serviced Omega Seamaster Planet Ocean 2201.50 (Gen 1) 42mm

Serviced Omega Seamaster Planet Ocean 2201.50 (Gen 1) 42mm

Omega - 2201.50 · $3,850
First generation Omega Seamaster Planet Ocean 42mm in great condition, running well, with a few minor marks on the clasp and lug.

  • Condition: Extremely good condition, minimal marks and swirls
  • Movement: 2500C
  • Bracelet size: 7.25 inch
  • Additional strap and buckle: Omega OEM rubber strap and buckle
Posted at
May 3, 2026, 7:39 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

This Omega Seamaster Planet Ocean 600M is a discontinued reference featuring a black dial on a steel bracelet, in excellent condition with a few light marks.

  • Condition: Excellent condition, with a few light marks on the case and bracelet
  • Case size: 43.5mm diameter
  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
May 3, 2026, 8:29 AM
Active
[WTS] Omega Seamaster Planet Ocean. Box, Card.  232.32.46.21.01.003.

Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

This Omega Seamaster Planet Ocean is being sold with its original box and card.

  • Box: true
  • Card: true
Posted at
May 2, 2026, 1:35 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

This Omega Seamaster Planet Ocean 600m Titanium Blue is a 2025 model, reference number 232.92.44.22.03.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
May 2, 2026, 12:45 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 | 42mm | Full Set | Very Good Condition $3700

Omega Seamaster Planet Ocean 2201.50 | 42mm | Full Set | Very Good Condition $3700

Omega - 2201.50 · $3,700
For sale is an Omega Seamaster Planet Ocean 2201.50, one of Omega’s most respected modern divers and an outstanding value in luxury sports watches.

  • Condition: Very Good Condition
  • Case size: 42mm
  • Water resistance: 600M
  • Movement type: Omega Co-Axial automatic movement
Posted at
May 2, 2026, 8:01 AM
Active
[wts] RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

Omega - 2200.50.00 · $3,590
This Omega Seamaster Planet Ocean is a rare model featuring a 45.5mm case, making it a unique and eye-catching timepiece.

  • Condition: Excellent
  • Case Diameter: 45.5mm
Posted at
May 1, 2026, 10:22 PM
Active
[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 features a 43.5mm case size and is still under warranty until November 2028.

  • Warranty Valid Through: NOV 2028
  • Shipping Method: FedEx
  • Available Payment Methods: Zelle, Venmo, Wire, Apple Pay
Posted at
May 1, 2026, 10:20 PM
Active