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 44.5mm $2,599

Omega - 2900.51 · $2,599

The Omega Seamaster Planet Ocean is a full-size, luxury diver with robust construction and classic styling.

Condition: great pre-owned condition
Case diameter: 44.5mm
Lug width: 22 mm
Water resistance depth rating: 600m

Posted at

May 7, 2026, 2:18 PM

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Omega Seamaster Planet Ocean 'Deep Black' Ceramic 46mm (215.92.46.22.01.001)

Omega - 215.92.46.22.01.001 · $5,900

A Omega Seamaster Planet Ocean 'Deep Black' Ceramic watch with a 46mm case size is being sold in good condition.

Condition: Good condition, minor wear on crystal
Case size: 46mm diameter
Depth rating: 600m water resistance

Posted at

May 7, 2026, 2:11 PM

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Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4450

Omega - 215.30.44.21.03.001 · $4,450

The Omega Seamaster Planet Ocean is a stainless steel watch with a blue ZrO₂ ceramic dial, powered by the Caliber 8900 Co-Axial Master Chronometer movement. It has a 43.5mm case diameter, a ceramic bezel, and a water resistance rating of 600m/2000ft.

Condition: Excellent overall, with light surface wear and minor hairlines
Depth rating: 600m
Movement: Caliber 8900 Co-Axial Master Chronometer
Water resistance: 2000ft

Posted at

May 7, 2026, 7:35 AM

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[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,425

This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
Case diameter: 45.5mm
Water resistance: 600m

Posted at

May 7, 2026, 6:33 AM

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Omega Seamaster Planet Ocean 2201.50 42mm - $2,650 - US BASED!

Omega - Planet Ocean 2201.50 · $2,650

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

Condition: Very good condition with minimal marks/hairlines on case, caseback, and bracelet
Movement: Omega Calibre 2500
Case size: 42mm
Bracelet type: Original Omega steel bracelet

Posted at

May 5, 2026, 10:12 PM

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Omega / Seamaster Planet Ocean / 45.5mm / Full Set

Omega - 232.30.46.21.01.003 · $3,950

This Omega Seamaster Planet Ocean is a high-end watch featuring a 45.5mm case, full set with box and papers, and includes extra links for adjustability.

Condition: Excellent
Case Size: 45.5mm

Posted at

May 5, 2026, 3:09 PM

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Omega Seamaster Planet Ocean “007” 232.30.42.21.01.004 — 42mm — Limited 2882/5007 — $5,199 Shipped 🔥

Omega - 232.30.42.21.01.004 · $5,199

Condition: Fair overall, with signs of wear on case and bracelet
Case Diameter: 42mm
Limited Edition Number: 2882/5007
Wrist Size Fit: ~7.4"

Posted at

May 4, 2026, 9:19 PM

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Omega Seamaster Planet Ocean Chronograph 215.92.46.51.99.001 - Complete Set

Omega - 215.92.46.51.99.001 · $108,000

For sale is an Omega Seamaster Planet Ocean Chronograph, a complete set including all original accessories and packaging.

Material: Stainless Steel

Posted at

May 4, 2026, 8:27 PM

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Omega Seamaster Planet Ocean 2201.51 42mm Box and Card - $2,850

Omega - Planet Ocean 2201.51 · $2,850

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.51, measuring at 42mm with an automatic Omega Calibre 2500 movement. It has a steel case on original Omega steel bracelet and comes in double box, cards, manual, and watch on original bracelet.

Condition: Very good condition for its age with minimal marks/hairlines
Case size: 42mm diameter
Bracelet length: fits up to 7-7.25 inch wrists
Movement type: automatic

Posted at

May 3, 2026, 9:00 PM

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