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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Box & Papers 2025

Omega - 232.90.42.21.03.001 · $5,350

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium 42mm case and bracelet, with an Omega Calibre 8500 automatic chronometer and 600 meter water resistance.

Condition: Mint condition
Case material: Full titanium
Bracelet material: Titanium
Water resistance: 600 meter / 2000 feet

Posted at

Mar 25, 2026, 2:26 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - Planet Ocean 2201.50 · $2,990

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

Condition: Very good condition for its age
Case size: 42mm diameter
Bracelet material: Steel
Bezel insert material: Aftermarket

Posted at

Mar 25, 2026, 4:07 AM

Active

View listing on r/WatchExchange

Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Omega - 232.92.46.21.03.001 · $10,400

A Precision Chrono DK is selling an Omega Seamaster Planet Ocean 600M Titanium, featuring a titanium case and other details.

Condition: Very Good
Case material: titanium
Water resistance: 600m

Posted at

Mar 25, 2026, 1:46 AM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

Omega - 215.30.44.21.01.002 · $4,800

An Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer 44mm, featuring a bold 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS.

Condition: Very good
Case size: 44mm diameter
Movement: Omega Co-Axial Master Chronometer Calibre 8900
Water resistance: 600m / 2000ft

Posted at

Mar 24, 2026, 8:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - 2201.50 · $2,990

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm with an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age
Movement: Calibre 2500
Bracelet size: original Omega steel bracelet
Case condition: 8.9/10

Posted at

Mar 22, 2026, 11:08 PM

Active

View listing on r/WatchExchange

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

Omega - 215.30.46.51.01.001 · $6,600

This Omega Seamaster Planet Ocean 600m features a black dial and 45.5mm case size, perfect for diving or everyday wear.

Condition: Fantastic condition, minor hairlines
Case Size: 45.5mm diameter

Posted at

Mar 22, 2026, 9:40 AM

Active

View listing on r/WatchExchange

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 features a 45.5mm case, offering a large and stylish design. The watch is still under warranty until November 2027.

Condition: exceptional condition
Case size: 45.5mm diameter
Warranty valid until: November 2027

Posted at

Mar 21, 2026, 11:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $3,375

This Omega Seamaster Planet Ocean is a 45.5mm watch with a 600m depth rating.

Condition: Pre-owned, polished
Diameter: 45.5mm
Depth Rating: 600m

Posted at

Mar 21, 2026, 7:30 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA - 232.32.42.21.01.003 · $4,150

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, with few superficial scratches on case
Movement: Co-Axial Caliber 8500
Water resistance: 600m (2000 feet)
Case material: stainless steel

Posted at

Mar 21, 2026, 7:09 PM

Active

View listing on r/WatchExchange