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

Reference 2918.50.83

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

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.

Buy Now on Jomashop

This is an affiliate link

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

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

View listing on r/WatchExchange

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

Omega - 215.30.44.22.01.001 · $4,895

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

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

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

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

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch with various features and settings.

Condition: Excellent condition
Case Size: 45.5mm
Shipping: FedEx to the US
Payment Methods: Zelle, Venmo, Wire, Apple Pay

Posted at

Jan 4, 2026, 2:54 PM

Active

View listing on r/WatchExchange

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

Omega - 232.30.42.21.01.004 · $4,800

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

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Omega - 217.30.42.21.01.002 · $8,250

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange