Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator

Reference 2901.50.37

Omega Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42, reference 2901.50.37, is a luxury watch that embodies adventure and precision. Its stunning stainless steel case features polished and brushed finishes, adding a layer of sophistication. The black dial with luminous markers and hands ensures readability in low-light conditions, while the rotating bezel allows for tracking elapsed time underwater. Powered by the reliable Omega caliber 2500 automatic movement, this watch provides stable and accurate timekeeping. The Co-Axial escapement reduces friction between components, leading to improved accuracy and longevity. With a water resistance of 600 meters, this watch is suitable for serious divers and can handle extreme conditions. Its versatility makes it perfect for both casual and formal occasions, while the alligator leather strap adds a touch of luxury. This watch strikes a balance between boldness and wearability, making it a statement piece that's hard to ignore.

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MSRP: $3,200

Market Price: $3,270

Key Features

Stainless steel case with polished and brushed finishes
Black dial with luminous markers and hands
Rotating bezel for tracking elapsed time underwater

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator

Reference

2901.50.37

Movement

2500

Movement Features

Hours, Minutes, Seconds
Date
Co-Axial Escapement, Chronometer

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean GMT ‘OREO’ , Box + Papers

Omega - Seamaster Planet Ocean GMT · $5,599

The Omega Seamaster Planet Ocean GMT 'Oreo' features a 43mm case and Calibre 8906 movement. It comes with a leather/rubber mixed strap and has a clean crystal.

Condition: Great preowned condition, some light normal wear scratches on lugs and case
Case size: 43mm
Water resistance: 600m

Posted at

Feb 16, 2026, 5:41 PM

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Omega Seamaster Planet Ocean - 2209.50 - 42mm - Price Reduced!

Omega - 2209.50 · $2,650

A pre-owned Omega Seamaster Planet Ocean ref: 2209.50, available in a 42mm case size with an orange bezel, part of the planet ocean line, designed for divers.

Condition: Pre-owned with signs of wear, giving it a vintage aesthetic
Case Size: 42mm diameter
Bezel Color: orange

Posted at

Feb 16, 2026, 2:20 PM

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Omega Seamaster Planet Ocean

Omega - 217.30.42.21.01.002 · $8,100

A brand new, stickered 4th generation Omega Seamaster Planet Ocean with a black dial and blue bezel combination on the bracelet.

Condition: Brand new, unworn
Dial color: black
Bezel color: blue

Posted at

Feb 15, 2026, 3:57 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 · $6,725

This Omega Seamaster Planet Ocean is a high-end diver's watch featuring a 45.5mm black dial and 600m water resistance.

Condition: Fantastic condition with minor hairlines
Case size: 45.5mm diameter
Water resistance: 600m

Posted at

Feb 15, 2026, 9:46 AM

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Omega Seamaster Planet Ocean 600M – 42mm – First Gen Classic

Omega - 2201.51.00 · $2,950

This is a first-generation classic Omega Seamaster Planet Ocean 600M with a 42mm stainless steel case, black matte dial, and orange accents.

Condition: Excellent
Movement: Omega Calibre 2500 automatic chronometer
Water resistance: 600m

Posted at

Feb 14, 2026, 4:22 PM

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Omega Seamaster Planet Ocean 42mm 2201.50.00 – Full Set – 2011 – $3,850

Omega - 2201.50.00 · $3,850

For sale is my Omega Seamaster Planet Ocean 42mm, featuring a stainless steel case, black dial and bezel, Co-Axial automatic movement, and water resistance up to 2000ft.

Condition: Good overall condition
Case size: 42mm diameter
Water resistance: 600m / 2000ft
Movement type: Omega Co-Axial automatic

Posted at

Feb 13, 2026, 1:32 PM

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NEW 2026 OMEGA SEAMASTER PLANET OCEAN 42MM BLUE DIAL 600M 217.30.42.21.01.002 COMPLETE SET!!

OMEGA - 217.30.42.21.01.002 · $7,850

A brand new Omega Seamaster Planet Ocean watch with a beautiful black dial and blue bezel, featuring a stainless steel case.

Condition: BRAND NEW/UNWORN
Dial color: Black/Blue
Case size: 42mm diameter
Water resistance: 600m depth rating

Posted at

Feb 13, 2026, 6:46 AM

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Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

Omega - 232.30.46.21.01.001 · $2,850

This Omega Seamaster Planet Ocean 600M features a stainless steel case with a black dial and bezel, Omega Co-Axial automatic movement, and 600m water resistance.

Condition: Very good to excellent pre-owned with minimal wear
Case size: 45.5mm diameter
Water resistance: 600m / 2000ft
Movement type: Omega Co-Axial automatic movement

Posted at

Feb 12, 2026, 3:22 PM

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Omega Seamaster Planet Ocean 2201.50 42mm - $2,390

Omega - Planet Ocean 2201.50 · $2,390

The Omega Seamaster Planet Ocean 2201.50 is a 42mm watch with an automatic movement and features a steel case on original Omega steel bracelet.

Condition: Very good condition, minimal marks on the case, caseback, and bracelet.
Movement: Automatic Omega Calibre 2500
Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
Case size: 42mm

Posted at

Feb 11, 2026, 9:08 PM

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