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][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 Skyfall Limited Edition Omega Seamaster Planet Ocean 600M watch, one of only 5,007 pieces produced, featuring a black patterned dial, Omega's in-house caliber 8507b movement with silicon balance spring for increased anti-magnetic properties, and 42mm case size.

  • Condition: Pre-owned, serviced by Omega in August
  • Movement: Omega's in-house caliber 8507b
  • Water Resistance: 600m (~2000ft)
  • Size: 42mm diameter
Posted at
Jan 4, 2026, 1:20 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Additional Details: Omega Seamaster Planet Ocean 600M Ref. 217.30.42.21.01.002 This watch comes complete with the full set as shown, including boxes, papers, and accessories.

  • Condition: Brand new with faint hairline marks on high-polished surfaces
  • Warranty Date: 11/2025
Posted at
Jan 3, 2026, 3:10 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500
The OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeds Expedition, featuring a massive 45.5mm case made from high-grade stainless steel and water-resistant to 6,000 meters.

  • Condition: UNWORN
  • Case size: 45.5mm diameter
  • Water resistance: 6000m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8912
Posted at
Jan 3, 2026, 5:52 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

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
  • Case size: 42mm
  • Water resistance: 600m (2000ft)
  • Movement: Co-Axial Caliber 8500
Posted at
Jan 3, 2026, 5:40 AM
Active
[WTS] 2023 Omega Seamaster Planet Ocean Ultra Deep 6000m 215.32.46.21.04.001 Full Set

2023 Omega Seamaster Planet Ocean Ultra Deep 6000m 215.32.46.21.04.001 Full Set

This is a 2023 Omega Seamaster Planet Ocean Ultra Deep 6000m watch featuring a stainless steel case, blue ceramic bezel, and white ceramic dial. It comes with an Omega stainless steel bracelet and a blue rubber strap.

  • Condition: Nice preowned condition with scratches on the case, bracelet and buckle
  • Case material: Stainless Steel
  • Bezel material: Stainless Steel, Blue Ceramic
  • Dial color: White Ceramic
Posted at
Jan 2, 2026, 8:29 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001

Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001

This Omega Seamaster Planet Ocean GMT features a 43.5mm case and is in very good condition with only light scratches on the clasp and bracelet.

  • Condition: Very good condition, minor wear
  • Size: 43.5mm diameter
Posted at
Dec 30, 2025, 1:27 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 42mm Titanium Blue Dial Co-Axial Box Papers

Omega Seamaster Planet Ocean 600M 42mm Titanium Blue Dial Co-Axial Box Papers

The Omega Seamaster Planet Ocean is a 42mm titanium dive watch with a blue ceramic bezel, powered by the Co-Axial Calibre 8500.

  • Condition: Excellent pre owned condition
  • Case material: Grade 2 titanium
  • Diameter: 42mm
  • Water resistance: 600m
Posted at
Dec 30, 2025, 9:14 AM
Active
[WTS] 12 Days of Christmas 🎄 | Day 5/12 | Omega Seamaster Planet Ocean Titanium - 42mm 🌊

12 Days of Christmas 🎄 | Day 5/12 | Omega Seamaster Planet Ocean Titanium - 42mm 🌊

Omega - Planet Ocean · $5,500
A Omega Seamaster Planet Ocean Titanium in 42mm, this listing is part of a 12-day sale.

Posted at
Dec 29, 2025, 5:35 PM
Active
[WTS] Omega Seamaster Planet Ocean 2200.51 2010 Full Set $2,999

Omega Seamaster Planet Ocean 2200.51 2010 Full Set $2,999

Omega - 2200.51 · $2,999
2010 Omega Seamaster Planet Ocean with box and cards, dated from 2010.

  • Condition: Good timegrapher numbers, last service unknown
  • Year: 2010
  • Set: Full set with box and cards
Posted at
Dec 29, 2025, 10:22 AM
Active