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

Reference 2918.50.38

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] 2020 Omega Seamaster Planet Ocean 43.5mm Black Dial on Bracelet 215.30.44.21.01.002 B+P

2020 Omega Seamaster Planet Ocean 43.5mm Black Dial on Bracelet 215.30.44.21.01.002 B+P

This 2020 Omega Seamaster Planet Ocean is a rugged yet refined dive watch, featuring a sharp black dial and matching black and orange ceramic bezel that give it a clean, confident look on the wrist.

  • Condition: Good condition with some signs of wear
  • Case diameter: 43.5mm
  • Crystal: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Feb 5, 2026, 4:47 PM
Active
[WTS] Mint Condition Omega Seamaster Planet Ocean 600m 200.500.00 45.5mm Serviced by Omega

Mint Condition Omega Seamaster Planet Ocean 600m 200.500.00 45.5mm Serviced by Omega

This Omega Seamaster Planet Ocean is a high-end diving watch with impressive features.

  • Condition: Mint Condition
  • Depth rating: 600m
  • Size: 45.5mm diameter
Posted at
Feb 5, 2026, 9:36 AM
Active
[WTS] Omega Seamaster Planet Ocean - 2209.50 - 42mm

Omega Seamaster Planet Ocean - 2209.50 - 42mm

Omega - 2209.50 · $2,695
A Omega Seamaster Planet Ocean watch ref: 2209.50, in a 42mm case size with orange bezel, available for sale.

  • Condition: Pre-owned with wear and vintage aesthetic
  • Case Size: 42mm
  • Bezel Color: orange
Posted at
Feb 4, 2026, 1:29 PM
Active
[WTS] Omega Seamaster Planet Ocean.  New generation with blue ceramic bezel.

Omega Seamaster Planet Ocean. New generation with blue ceramic bezel.

The Omega Seamaster Planet Ocean is a new generation watch with a blue ceramic bezel, featuring a metal bracelet.

  • Condition: Pre-owned, minor marks on clasp and links
  • Bracelet size: 7.1-inch (18 cm)
  • Warranty remaining: purchased with warranty card dated December 10, 2025
  • Receipt included: yes
Posted at
Feb 3, 2026, 10:02 AM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph full kit with warrenty

Omega Seamaster Planet Ocean Chronograph full kit with warrenty

A 2023 Omega Seamaster Planet Ocean Chronograph featuring jump hour capabilities, chronograph functions, helium escape valve, and 600M water resistance.

  • Condition: great shape with some wear on the bezel and bracelet
  • Water resistance: 600M
  • Diameter: 45.5mm
Posted at
Feb 3, 2026, 8:59 AM
Active
[WTS] Omega Seamaster Planet Ocean 600m Worldtimer | ref. 215.92.46.22.01.007 | 2025 Complete

Omega Seamaster Planet Ocean 600m Worldtimer | ref. 215.92.46.22.01.007 | 2025 Complete

Omega - 215.92.46.22.01.007 · $11,000
This Omega Seamaster Planet Ocean 600m Worldtimer is a 45.5mm ceramic diver with a 2025 complete set, including a triple box set and travel case.

  • Condition: 10/10 - excellent condition with no flaws
  • Case Size: 45.5mm diameter
  • Depth Rating: 600m
Posted at
Feb 2, 2026, 12:50 PM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,750
Selling a clean Omega Planet Ocean 2200.50 that James Bond wore in Casino Royale. The watch is a great example compared to other online comps and features very minimal wear on the bracelet, case, and clasp.

  • Condition: Great
  • Water Resistance: 300m water resistance
  • Case Diameter: 45.5mm diameter
  • Wrist Fit: fits up to 7.5 inch wrist
Posted at
Feb 2, 2026, 12:16 PM
Active
[WTS] Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega Seamaster Planet Ocean 45.5mm Full Kit

For sale is my beloved Omega Planet Ocean 45.5mm watch, featuring a sapphire and ceramic bezel with a depth rating of 600 meters, powered by an in-house Caliber 2500 movement.

  • Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
  • Case size: 45.5mm
  • Water resistance: 600m
  • Bracelet material: steel
Posted at
Feb 2, 2026, 2:39 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,599 Shipped

Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,599 Shipped

A bold, modern professional dive chronograph featuring a 45.5mm stainless steel case, unidirectional red ceramic bezel, sapphire crystal, screw-down crown and pushers, and 600m / 2000ft water resistance.

  • Condition: Great overall
  • Case Size: 45.5mm diameter
  • Depth Rating: 2000ft water resistance
Posted at
Feb 1, 2026, 9:24 PM
Active