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

Reference 2908.50.38

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 2200.51 2010 Full Set $2,999

Omega Seamaster Planet Ocean 2200.51 2010 Full Set $2,999

Omega - 2200.51 · $2,999
2010 Omega Seamaster Planet Ocean with box and cards, dated from 2010.

  • Condition: Good timegrapher numbers, last service unknown
  • Year: 2010
  • Set: Full set with box and cards
Posted at
Dec 29, 2025, 10:22 AM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – “Big Size” 💥 – $2,349 Shipped

Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – “Big Size” 💥 – $2,349 Shipped

Omega - 2200.50 · $2,349
This Omega Seamaster Planet Ocean is a 45.5mm Co-Axial watch that shows heavy, honest wear throughout. It has a dent on the crown side of the case and a missing bezel click spring.

  • Condition: Fair / well-used
  • Case size: 45.5mm
  • Bracelet size: 7.75-8.0 inches
  • Dial condition: clean
Posted at
Dec 28, 2025, 9:37 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

The Omega Seamaster Planet Ocean Orange features a 45.5mm case with a gray bezel, but was upgraded to an orange OEM bezel.

  • Condition: Near mint
  • Bracelet type: mesh/milanese bracelet
  • Original strap: black
  • Alternative clasp: deployant clasp
Posted at
Dec 27, 2025, 10:36 PM
Active
[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 Omega Seamaster Planet Ocean 8500 features a 45.5mm case and is still under warranty until November 2027.

  • Condition: exceptional
  • Case Diameter: 45.5mm
  • Warranty Valid Until: NOV 2027
Posted at
Dec 27, 2025, 10:21 PM
Active
[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
This Omega Seamaster Planet Ocean 2500 is a 42.5mm watch with excellent condition and comes with boxes and papers.

  • Condition: Great condition with boxes and papers
  • Case Size: 42.5mm
Posted at
Dec 27, 2025, 10:16 PM
Active
[WTS] 2024 Omega Seamaster Planet Ocean 600M 43.5mm Steel 215.30.44.21.01.002 Full Set

2024 Omega Seamaster Planet Ocean 600M 43.5mm Steel 215.30.44.21.01.002 Full Set

This listing features a 2024 Omega Seamaster Planet Ocean 600M, a high-end diver's watch made of stainless steel with a black ceramic dial.

  • Condition: Nice pre-owned condition with light scratches on the case and bracelet
  • Case material: Stainless Steel
  • Case dimensions: 43.5mm
  • Bezel: Rotating Dive Bezel with Black Ceramic & Orange Rubber Insert
Posted at
Dec 24, 2025, 5:43 PM
Active
[WTS] Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega Seamaster Planet Ocean 2209.50 - Price Reduced 🔥

Omega - 2209.50 · $2,750
The Omega Seamaster Planet Ocean is a purpose-built diver with a 42mm case size and orange bezel. It's in excellent condition with minor marks on the AR crystal.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Bezel Type: orange bezel
  • Crystal Condition: minor marks on AR crystal
Posted at
Dec 23, 2025, 1:50 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

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
This OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water resistance to 6,000 meters and a lacquered dial with gradient finish.

  • Condition: UNWORN
  • Case size: 45.5mm diameter
  • Water resistance: 6000m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8912
Posted at
Dec 22, 2025, 9:08 AM
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!

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: VERY GOOD
  • Case size: 42mm
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
Posted at
Dec 22, 2025, 9:01 AM
Active