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

Reference 2908.50.91

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

About this watch

The Omega Seamaster Planet Ocean 2908.50.91 is a masterful blend of style and functionality, featuring a striking orange and black dial with mixed indexes for optimal readability. The round stainless steel case measures 45.5mm in diameter and boasts an unidirectional rotating bezel for added rugged charm. This watch stands out from the crowd due to its impressive water resistance of up to 600 meters, making it perfect for serious divers or anyone who wants a timepiece that can withstand the rigors of underwater activities. At the core of this remarkable watch lies the Omega caliber 2500 automatic movement, showcasing innovative Co-Axial escapement technology for greater accuracy and less maintenance compared to traditional movements. With its date function and chronometer certification, this watch is not just a statement piece but also a reliable companion for everyday wear.

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MSRP: $3,750

Market Price: $3,238

Key Features

Omega caliber 2500 automatic movement
Co-Axial escapement technology for increased accuracy
Water resistance up to 600 meters
Stainless steel case and rotating bezel
Sapphire glass crystal for scratch resistance
Date function and chronometer certification

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless / Orange / Rubber

Reference

2908.50.91

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

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

Omega - 215.30.44.21.01.002 · $4,415

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

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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

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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

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OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET!

OMEGA - 232.32.42.21.01.003 · $4,250

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

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

Omega - 232.32.46.21.01.003 · $3,600

This Omega Seamaster Planet Ocean Orange features a 45.5mm case, comes with a new OEM mesh/milanese bracelet and has a gray bezel that was swapped for an orange one.

Condition: Near mint
Bracelet type: Omega mesh
Case size: 45.5mm

Posted at

Dec 20, 2025, 9:30 PM

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