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

Reference 2909.50.48

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a luxury watch that embodies the spirit of adventure and exploration. With a water resistance of 600 meters, this watch is designed for diving enthusiasts and those who appreciate a rugged yet sophisticated look. Its robust and sporty design features a black dial paired with striking orange accents, stainless steel case, and scratch-resistant sapphire crystal. At its heart lies the Omega Caliber 2500, an automatic movement that showcases Omega's commitment to innovation, featuring a Co-Axial escapement that reduces friction between components, enhancing accuracy and longevity. The watch also boasts a comfortable alligator leather strap and is suitable for both formal and casual occasions. Its blend of features, stunning design, and Omega's renowned craftsmanship make it an ideal choice for anyone serious about horology.

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Key Features

Automatic movement with Co-Axial escapement
Impressive water resistance of up to 600 meters
Durable stainless steel case and scratch-resistant sapphire crystal
Stylish design with bold black and orange accents
Comfortable alligator leather strap
Suitable for formal and casual occasions
Chronometer certified movement

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

2909.50.48

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

2017 Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 | FRESH SERVICE!

Omega - 232.30.46.21.01.002 · $3,250

A 2017 Omega Seamaster Planet Ocean 600m in excellent condition, recently serviced and running great.

Year: 2017
Case size: 45.5mm
Water resistance: 600m

Posted at

Feb 25, 2026, 5:19 PM

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Omega Seamaster Planet Ocean 600M 232.30.42.21.01.003 | 2024 Full Set

Omega - 232.30.42.21.01.003 · $3,750

The seller is listing a 2024 Omega Seamaster Planet Ocean 600M, a 42mm watch in excellent condition with some minor cosmetic imperfections.

Condition: Pre-Owned
Case size: 42mm
Water resistance: 600m
Service history: Unknown

Posted at

Feb 24, 2026, 9:40 PM

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Omega Seamaster Planet Ocean GMT “Oreo” 215.30.44.22.01.001 — Full Set

Omega - 215.30.44.22.01.001 · $6,995

The Omega Seamaster Planet Ocean GMT “Oreo” is a modern 43.5mm watch with a black/white bezel and METAS Master Chronometer certification.

Condition: Excellent overall condition
Case Size: 43.5mm
Case Material: Stainless steel
Bezel Type: Black/White timing bezel

Posted at

Feb 24, 2026, 6:59 PM

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Omega Seamaster Planet Ocean 2201.50 42mm Full Kit - $3,250

Omega - 2201.50 · $3,250

The Omega Seamaster Planet Ocean 2201.50 is a 42mm automatic watch with an Omega Calibre 2500 movement, available as a full kit including double box and triple cards.

Condition: Very good condition with minimal marks/hairlines on the case, caseback, and bracelet.
Case size: 42mm diameter
Movement: automatic Omega Calibre 2500
Bracelet material: steel

Posted at

Feb 23, 2026, 9:19 PM

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2020 Omega Seamaster Planet Ocean Black Dial with Orange Bezel on Bracelet 215.30.44.21.01.002 B+P

Omega - 215.30.44.21.01.002 · $4,700

This 2020 Omega Seamaster Planet Ocean is a rugged yet refined dive watch, featuring a sharp black dial and matching black and orange ceramic bezel. It offers serious durability along with Omega’s reliable in-house movement for everyday performance you can count on.

Condition: Good condition, some signs of wear on clasp, bracelet, case, and bezel
Case diameter: 43.5mm
Crystal: Sapphire crystal
Bracelet material: Stainless Steel

Posted at

Feb 23, 2026, 1:09 PM

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BNIB Omega Seamaster Planet Ocean

Omega - 217.30.42.21.01.002 · $8,075

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

Condition: Brand new in box (BNIB)
Movement type: Mechanical
Dial color: Black
Bezel color: Blue

Posted at

Feb 22, 2026, 4:25 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 · $6,700

An Omega Seamaster Planet Ocean 600m with a black dial and 45.5mm case, featuring mechanical functionality without issues.

Condition: Fantastic with minor hairlines
Case Diameter: 45.5mm
Water Resistance: 600m

Posted at

Feb 22, 2026, 12:22 PM

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Omega Seamaster Planet ocean 600M Black Dial 45.5MM Diver 232.30.46.21.01.001 - $4000

Omega - 232.30.46.21.01.001 · $4,000

The Omega Seamaster Planet Ocean 600M is a black dial diver's watch with a scratch-resistant sapphire crystal and a stainless steel case on a bracelet.

Condition: Excellent
Case size: 45.5mm diameter
Water resistance: 2000 feet / 60 bar
Depth rating: 600m

Posted at

Feb 20, 2026, 12:23 PM

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Omega Seamaster Planet Ocean (217.30.42.21.01.001)

Omega - 217.30.42.21.01.001 · $6,250

Up for sale is a good condition Omega Seamaster Professional Planet Ocean, working great with an amplitude over 290 and no beat error running at +1 spd.

Condition: Good condition, desk diver (with signs of use)
Calibre: 8912
Size: 42mm diameter
Material: Stainless / Titanium

Posted at

Feb 20, 2026, 11:38 AM

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