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

Reference 2908.50.38

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 is a statement piece that perfectly marries functionality with style. This robust diving watch boasts a black dial, orange bezel, and stainless steel case measuring 45.5 mm. The rotating bezel allows divers to track elapsed time underwater, while the mixed indexes and luminescent hands ensure optimal visibility under low light conditions. Powered by Omega Caliber 2500's Co-Axial escapement, this automatic movement operates at a frequency of 25,200 vibrations per hour, guaranteeing precise timekeeping. With a water resistance rating of 600 meters, this watch is built to withstand the pressure and accompany you on your next underwater adventure while looking fabulous on dry land. Its elegant design makes it suitable for both casual and formal occasions, making it a true gem for luxury watch enthusiasts.
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MSRP: $4,400
Market Price: $3,157

Key Features

  • Robust water resistance (600m)
  • Co-Axial escapement for improved accuracy
  • Chronometer-certified for precision
  • High-quality materials used throughout
  • Stainless steel case with rotating bezel
  • Black dial with mixed indexes and luminescent hands

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Orange / Alligator
Reference
2908.50.38
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,950

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,950

Omega - 215.30.46.21.04.001 · $7,950
The Omega Seamaster Planet Ocean Ultra Deep is a technically impressive dive watch with a staggering 6,000-meter depth rating and oversized dimensions.

  • Condition: Minty condition, excellent time keeping
  • Case diameter: 45 mm
  • Lug width: 22 mm
  • Water resistance: 600 bar (6000m) - depth rating
Posted at
Feb 8, 2026, 11:07 AM
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[WTS] Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,895

Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,895

Omega - 232.92.42.21.03.001 · $4,895
The Omega Seamaster Planet Ocean 600M is a 42mm titanium watch with 600m water resistance.

Posted at
Feb 8, 2026, 9:09 AM
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[WTS] Omega Seamaster Planet Ocean 600m Summer Blue Edition - $5,499 Cheapest anywhere!

Omega Seamaster Planet Ocean 600m Summer Blue Edition - $5,499 Cheapest anywhere!

Omega - 215.30.40.20.03.002 · $5,499
The Omega Seamaster Planet Ocean 600m Summer Blue Edition features a Summer Blue gradient dial with a matching ceramic bezel and commemorative engraving of Poseidon on the caseback.

  • Condition: Used/Great condition
  • Size: 39.5mm diameter
  • Dial color: Summer Blue gradient
  • Case material: ceramic bezel
Posted at
Feb 7, 2026, 10:22 PM
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[WTS] Omega Seamaster Planet Ocean 600 Fully Serviced

Omega Seamaster Planet Ocean 600 Fully Serviced

Omega - 2200.50.00 · $3,600
This Omega Seamaster Planet Ocean 600 features a black dial and 45.5mm case diameter, serviced by Omega in December 2025.

  • Condition: Mint condition
  • Case Diameter: 45.5mm
  • Bezel Condition: Scratch-free
  • Crystal Condition: Scratch-free
Posted at
Feb 7, 2026, 4:18 PM
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[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

Omega - 232.30.46.21.01.003 · $4,500
This Omega Seamaster Planet Ocean 8500 is a high-end watch with a factory warranty valid through November 2027, making it a rare find in such great condition.

  • Condition: exceptional
  • Warranty Valid Until: NOV 2027
Posted at
Feb 7, 2026, 1:46 AM
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[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500
Additional Details: Model: Omega Seamaster Planet Ocean 8500 45.5mm, a 42-45mm watch with various features such as date display and unidirectional rotating bezel.

  • Condition: great condition
  • Case Diameter: 45.5mm
Posted at
Feb 7, 2026, 1:26 AM
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[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500
A Omega Seamaster Planet Ocean Chronograph, featuring a 45.5mm case and various functions.

  • Condition: Excellent condition and full set
  • Case Size: 45.5mm diameter
Posted at
Feb 7, 2026, 1:25 AM
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[WTS] Omega Seamaster Planet Ocean 600M 45.5mm $2,250

Omega Seamaster Planet Ocean 600M 45.5mm $2,250

Omega - Seamaster Planet Ocean 600M · $2,250
Selling an Omega Seamaster Planet Ocean 600M with excellent timegraphers and little signs of use. It fits a 19cm wrist.

  • Condition: Excellent condition, freshly polished
  • Case Size: 45.5mm diameter
  • Wrist Size Fit: approximately 19cm
  • Shipping Origin: Singapore
Posted at
Feb 6, 2026, 9:44 PM
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[WTS] Omega Seamaster Planet Ocean Chronograph 232.90.46.51.03.001 (2020) – Full Set – $5999

Omega Seamaster Planet Ocean Chronograph 232.90.46.51.03.001 (2020) – Full Set – $5999

Omega - 232.90.46.51.03.001 · $5,999
This Omega Seamaster Planet Ocean Chronograph is a professional-grade dive watch featuring a 600m water resistance rating and an in-house automatic chronograph movement.

  • Condition: Clean condition, normal wear consistent with careful use
  • Water Resistance: 600m
  • Case Size: 45.5mm diameter
  • Movement: Omega Co-Axial Master Chronometer Caliber 9300 column-wheel chronograph movement
Posted at
Feb 6, 2026, 2:35 PM
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