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

Reference 232.18.42.21.01.001

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial is a statement timepiece that marries functionality with style, boasting a robust design and impressive functionalities. Its black dial adorned with diamond hour markers exudes luxury without being ostentatious, while the gem-set bezel adds an element of sophistication. Powered by the Omega caliber 8500 movement, this automatic watch features a dual-barrel design providing 60 hours of power reserve and a Co-Axial escapement that enhances accuracy and extends its lifespan. With a water resistance of up to 600 meters and a certified chronometer rating, it's built for serious divers who require precision and reliability. The included alligator leather strap feels luxurious against the skin while being durable enough for daily wear. Weighing in at a comfortable amount, this watch strikes a perfect balance between sturdiness and lightness. It's versatile enough to transition from a dive to a dinner date seamlessly.

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Key Features

Omega caliber 8500 automatic movement
Dual-barrel design with 60 hours of power reserve
Co-Axial escapement for enhanced accuracy and lifespan
Water resistance up to 600 meters
Certified chronometer rating
Gem-set bezel for easy tracking of elapsed time
Stainless steel case with polished finish
Sapphire crystal for scratch-resistance and anti-reflective coating

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

232.18.42.21.01.001

Movement

8500

Movement Features

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

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with the reference number 232.32.46.21.01.001, described as being in great condition.

Condition: Great condition
Model: Omega Seamaster Planet Ocean 8500
Size: 45.5mm diameter
Shipping: FedEx via US

Posted at

May 9, 2026, 2:48 AM

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Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

A Omega Seamaster Planet Ocean Chronograph in excellent condition, featuring a 45.5mm case.

Condition: Excellent condition
Size: 45.5mm diameter

Posted at

May 9, 2026, 2:47 AM

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Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega - 215.30.44.21.03.001 · $4,600

A blue Omega Seamaster Planet Ocean 8900, featuring a 43.5mm case size and under factory warranty until September 2028.

Condition: Excellent
Case size: 43.5mm diameter
Water resistance: no data

Posted at

May 9, 2026, 2:43 AM

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OMEGA Seamaster Planet Ocean 600m "Skyfall" James Bond Edition

OMEGA - 232.30.42.21.01.004 · $7,500

This limited edition Omega Seamaster Planet Ocean 600M 'Skyfall' is a James Bond Edition featuring a 42mm steel case, black ceramic bezel, and matte structured black dial with date window and 007 logo. It comes with various Omega accessories.

Case size: 42mm diameter
Bracelet fit: 7 inches wrist size, loose
Included items: boxes (inner and outer), Pictograms card, Chronometer Certificate card, limited edition card, international warranty card, brochure, user manual

Posted at

May 9, 2026, 2:14 AM

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Omega Seamaster Planet Ocean 600M 42mm “Skyfall” — Ref. 232.30.42.21.01.001 — 2014 full set in Mint Condition

Omega - 232.30.42.21.01.001 · $4,790

This Omega Seamaster Planet Ocean 600M 42mm features a matte black ceramic bezel, orange accents, and the in-house Co-Axial Caliber 8500 movement, making it one of the most collectible modern references. It's rugged for diving yet refined for daily wear, capturing Omega's golden era before the transition to Master Chronometer models.

Condition: Mint
Case Size: 42mm
Water Resistance: 600m
Depth Rating: 600m

Posted at

May 9, 2026, 12:12 AM

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OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,000🔥 [PRICED TO SELL]

OMEGA - 232.32.42.21.01.003 · $4,000

The OMEGA Seamaster Planet Ocean 600M is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering, with a black dial, orange accents, and date window at 3 o'clock. It's built for adventure, water-resistant up to 600 meters (2000 feet), and features a helium escape valve.

Condition: VERY GOOD with few superficial scratches on case
Movement: Co-Axial Caliber 8500
Water resistance: 600m (2000ft)
Depth rating: 600m depth rating

Posted at

May 8, 2026, 7:32 PM

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Omega Seamaster Planet Ocean 2201.51 42mm - $2,790

Omega - 2201.51 · $2,790

Up for sale is my Omega Seamaster Planet Ocean 2201.51, a 42mm automatic watch with an Omega Calibre 2500 movement.

Condition: Very good condition
Case material: Steel
Bracelet type: Original Omega steel bracelet
Bezel insert: Aftermarket bezel insert currently installed, can install original upon request

Posted at

May 7, 2026, 9:50 PM

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