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] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This listing is for an Omega Seamaster Planet Ocean 8500 in exceptional condition, under warranty.

  • Condition: exceptional
  • Warranty Valid Until: November 2027
Posted at
Dec 13, 2025, 6:50 PM
Active
[wts] Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

This Omega Seamaster Planet Ocean is a 45.5mm titanium watch under warranty, with a factory warranty valid until November 2027.

  • Condition: Excellent condition
  • Case Material: Titanium
  • Size: 45.5mm diameter
Posted at
Dec 13, 2025, 6:48 PM
Active
[WTS] Omega Seamaster Planet Ocean GoodPlanet GMT 44mm Blue Dial 232.32.44.22.03.001

Omega Seamaster Planet Ocean GoodPlanet GMT 44mm Blue Dial 232.32.44.22.03.001

The Omega Seamaster Planet Ocean GoodPlanet is a 43.5mm dive watch with a deep blue dial, ceramic bezel, and GMT hand for tracking a second time zone.

  • Condition: Excellent pre-owned condition
  • Case size: 43.5mm diameter
  • Water resistance: unknown
Posted at
Dec 12, 2025, 11:57 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M Black Dial 45.5mm 215.30.46.51.01.001

Omega Seamaster Planet Ocean 600M Black Dial 45.5mm 215.30.46.51.01.001

A bold 45.5mm diver with a sleek black ceramic dial, matching bezel, and in-house Co-Axial Master Chronometer Calibre 9900, offering chronograph precision and magnetic resistance up to 15,000 gauss.

  • Condition: Excellent pre-owned condition
  • Case size: 45.5mm
  • Water resistance: 600m
  • Material: Stainless steel
Posted at
Dec 12, 2025, 9:59 PM
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!

A robust and elegant dive watch with a stainless steel case, black dial, and orange accents, featuring OMEGA's Co-Axial Caliber 8500 movement.

  • Condition: EXCELLENT, with few superficial scratches on case
  • Movement: Co-Axial Caliber 8500
  • Depth Rating: 600m
  • Water Resistance: 600m (2000 feet)
Posted at
Dec 12, 2025, 1:10 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M 2200.50 – Full Set – Excellent Condition – $3,250 (Shipped CONUS) 45.5mm

Omega Seamaster Planet Ocean 600M 2200.50 – Full Set – Excellent Condition – $3,250 (Shipped CONUS) 45.5mm

Omega - 2200.50 · $3,250
This Omega Seamaster Planet Ocean 600M is a high-end diver's watch featuring a 45.5mm diameter case.

  • Condition: Excellent Condition
  • Diameter: 45.5mm
Posted at
Dec 9, 2025, 7:32 PM
Active
[WTS] Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $8,100

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $8,100

The Omega Seamaster Planet Ocean Ultra Deep is an extremely robust and technically impressive dive watch with a staggering 6,000-meter depth rating. Released in 2022 as a production version of the prototype that went to the deepest point on Earth, the watch features high-performance engineering but oversized dimensions.

  • Condition: Minty condition, excellent time keeping
  • Case diameter: 45mm
  • Lug width: 22mm
  • Lug-to-lug: 51.9mm
Posted at
Dec 9, 2025, 12:13 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

This Omega Seamaster Planet Ocean is a 42mm watch with a 7-inch bracelet, featuring fresh polish.

  • Bracelet length: 7 inch
  • Case size: 42mm
Posted at
Dec 8, 2025, 6:10 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega - 21530442103001 · $4,250
A robust dive watch from Omega's Planet Ocean lineup, featuring a blue ceramic dial and bezel, with a stainless steel case.

  • Condition: Unworn/mint condition
  • Case size: 43.5mm diameter
  • Movement: Calibre 8900 automatic chronometer
  • Depth rating: 600m / 2000 feet / 60 bar
Posted at
Dec 8, 2025, 11:50 AM
Active