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

Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,750

The Omega Seamaster Planet Ocean GMT features a 43.5mm size and is described as being in very good condition with only light scratches on the clasp and bracelet. The watch runs perfectly with no errors, losing only +/–0 seconds per day.

Condition: very good with minor wear
Size: 43.5mm diameter

Posted at

Feb 9, 2026, 4:59 PM

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Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 · $4,500

The Omega Seamaster Planet Ocean 600M 'Good Planet' is a stainless steel watch with a vibrant blue dial, polished blue ceramic bezel, and distinctive orange GMT accents.

Case Diameter: 43.5 mm
Thickness: 17.25 mm
Lug Width: 21 mm

Posted at

Feb 8, 2026, 11:19 PM

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OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,250🔥

OMEGA - 215.30.46.21.03.002 · $12,250

This OMEGA Seamaster Planet Ocean 6000M Ultra Deep represents the pinnacle of deep-sea engineering, with a massive 45.5mm case crafted from high-grade stainless steel and a lacquered dial featuring a gradient finish that transitions from blue to black.

Condition: UNWORN
Case material: O-MEGASTEEL
Diameter: 45.5mm
Water resistance: 6000m

Posted at

Feb 8, 2026, 7:42 PM

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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

A robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, featuring a Co-Axial Caliber 8500 movement, water-resistant up to 600 meters, and helium escape valve.

Condition: VERY GOOD, with few superficial scratches on case
Case material: stainless steel
Case diameter: 42mm
Movement: Co-Axial Caliber 8500

Posted at

Feb 8, 2026, 7:40 PM

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

Omega - 215.30.46.51.01.001 · $6,750

Up for sale is an Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - a mechanical watch.

Condition: Fantastic condition with minor hairlines
Case Size: 45.5mm diameter
Water Resistance: 600m depth rating

Posted at

Feb 8, 2026, 3:05 PM

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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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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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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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