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

Reference 2918.50.38

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

About this watch

The Omega Seamaster Planet Ocean 2918.50.38 is a masterpiece of luxury watchmaking, blending elegance and ruggedness in its stainless steel case and black dial with orange accents. This robust timepiece boasts an impressive water resistance of 600 meters, making it perfect for divers and adventurers alike. The automatic Omega caliber 3313 movement features a co-axial escapement, ensuring accuracy and reliability with its 28,800 vibrations per hour frequency. A chronograph function adds to the watch's functionality, allowing users to time their activities with pinpoint precision. The sapphire crystal glass provides excellent scratch resistance, while the alligator leather strap offers comfort and durability. This iconic model is a testament to Omega's legacy of quality and craftsmanship, making it an investment-worthy piece for collectors and enthusiasts.
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MSRP: $6,900
Market Price: $3,827

Key Features

  • Omega caliber 3313 automatic movement
  • 600m water resistance
  • Sapphire crystal glass
  • Rotating 0-60 bezel
  • Alligator leather strap

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Alligator
Reference
2918.50.38
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] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
a Omega Seamaster Planet Ocean 600m Titanium Blue, a high-end dive watch featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
Apr 1, 2026, 3:13 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M

Omega Seamaster Planet Ocean 600M

Omega - Planet Ocean 600M · $3,500
This Omega Seamaster Planet Ocean 600M is a modern icon in Omega's diver lineup, running flawlessly within its Master Chronometer specifications.

  • Condition: Excellent
  • Case material: Stainless steel
  • Diameter: 43.5 mm
  • Bezel type: Unidirectional rotating ceramic ZrO2
Posted at
Apr 1, 2026, 11:03 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Card - $3,150

Omega Seamaster Planet Ocean 2201.50 42mm Box and Card - $3,150

Omega - 2201.50 · $3,150
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm and featuring an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
  • Case size: 42mm diameter
  • Movement type: automatic
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Mar 31, 2026, 9:31 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 (Feb 2026) – $7,400

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 (Feb 2026) – $7,400

Omega - 217.32.42.21.01.001 · $7,400
Omega Seamaster Planet Ocean 600M for sale in Feb 2026, details to be added.

Posted at
Mar 31, 2026, 4:10 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Seamaster Planet Ocean GMT Oreo Black White Bezel 215.30.44.22.01.001

OMEGA Seamaster Planet Ocean GMT Oreo Black White Bezel 215.30.44.22.01.001

OMEGA - 215.30.44.22.01.001 · $6,100
The Omega Planet Ocean 'Oreo' GMT is a sporty, bold watch with a clean black and white ceramic aesthetic. It features a 43.5mm stainless steel case, black ceramic dial, bi-color ceramic bezel, and orange GMT hand.

  • Condition: Excellent pre-owned condition
  • Case size: 43.5mm diameter
  • Water resistance: 600m depth rating
  • Bracelet size: 7.5 inches length
Posted at
Mar 31, 2026, 12:30 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,890

Omega Seamaster Planet Ocean 2201.50 42mm - $2,890

Omega - 2201.50 · $2,890
Up for sale is my Omega Seamaster Planet Ocean 2201.50 in great condition, measuring at 42mm with an automatic Omega Calibre 2500 movement. The watch has a steel case on original Omega steel bracelet.

  • Condition: Very good condition for its age (8.9/10)
  • Case size: 42mm
  • Movement type: automatic
  • Bracelet material: steel
Posted at
Mar 30, 2026, 9:48 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $3,375
Additional Details: Omega Seamaster Planet Ocean 600m for sale. This 45.5mm watch is a full set and has been polished before.

  • Condition: Pre-owned with polishing history
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Mar 30, 2026, 11:26 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega - 215.30.46.51.01.001 · $6,575
This Omega Seamaster Planet Ocean 600m features a black dial and a 45.5mm case. It comes in full set, including box, user manual, microfiber cloth, purchase receipt, and warranty card.

  • Condition: Fantastic condition, minor hairlines
  • Case size: 45.5mm diameter
  • Water resistance: 600m
Posted at
Mar 29, 2026, 10:58 AM
Active
View listing on r/WatchExchange
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
This Omega Seamaster Planet Ocean 600m Titanium Blue is a high-end diver's watch featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Instructions Manual
Posted at
Mar 29, 2026, 12:10 AM
Active
View listing on r/WatchExchange