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

Reference 232.18.42.21.04.001

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a stunning blend of elegance and functionality, featuring a 42mm stainless steel case with a rotating bezel and sapphire crystal glass. This luxury timepiece boasts exceptional water resistance of 600 meters, making it perfect for professional divers. The automatic movement, Omega caliber 8500, operates at 25,200 vibrations per hour and features a Co-Axial escapement for enhanced accuracy and longevity. With a power reserve of 60 hours, this watch is reliable and precise, certified as a chronometer after rigorous testing. The white dial with mixed indexes provides a fresh aesthetic, complemented by an alligator leather strap that enhances the overall elegance of the watch. Whether you're attending a formal event or diving into the deep blue, this watch is versatile enough to adapt to any situation.

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MSRP: $17,100

Market Price: $5,683

Key Features

42mm stainless steel case
Rotating bezel with 0-60 (Dive) markings
Sapphire crystal glass for scratch resistance
Omega caliber 8500 automatic movement
Co-Axial escapement for enhanced accuracy and longevity
Water resistance of 600 meters (2000 feet)
Chronometer certified after rigorous testing

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

232.18.42.21.04.001

Movement

8500

Movement Features

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

Case

Stainless Steel 42mm

Dial Color

White

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 600m Orange 2209.50 42mm

Omega - 2209.50 · $2,650

This Omega Seamaster Planet Ocean 600m is a high-end dive watch with impressive features.

Size: 42mm diameter
Depth Rating: 600m

Posted at

Dec 3, 2025, 7:43 PM

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Omega Seamaster Planet Ocean – Ref 215.30.44.21.03.001 – Iconic Deep-Blue Diver, Mint Condition & Ready to Ship!

Omega - 215.30.44.21.03.001 · $4,750

The Omega Seamaster Planet Ocean features a stainless steel case with a blue ceramic dial, uni-directional bezel, and automatic movement. It offers 600m water resistance and essential functions including hour, minute, second, and date.

Condition: Excellent condition
Case Diameter: 43.5mm
Case Material: Stainless Steel
Power Reserve: 60 hours

Posted at

Dec 1, 2025, 8:29 PM

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Omega Seamaster Planet Ocean 2201.50 Fresh Service

Omega - 2201.50 · $3,850

The Omega Seamaster Planet Ocean is a 42mm size watch designed for everyday wear and water resistance.

Condition: Pre-owned, recently serviced
Size: 42mm
Bracelet size: 7 3/8"
Strap: rubber Omega strap

Posted at

Dec 1, 2025, 10:51 AM

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OMEGA Seamaster Planet Ocean 600M, Ref 215.30.44.21.01.001, FULL KIT!

OMEGA - 215.30.44.21.01.001 · $4,200

Additional Details: 43.5mm Omega Seamaster Planet Ocean 600M with Black Dial, Reference 215.30.44.21.01.001. Full kit, all links, warranty card dated 5/2023, valid through 5/2028.

Condition: Light signs of wear throughout, nothing major
Size: 43.5mm diameter
Water Resistance: 600m

Posted at

Nov 30, 2025, 11:36 AM

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Omega Seamaster Planet Ocean 600M - Full Set (Excellent Condition)

Omega - 210.32.42.20.01.001 · $5,999

This Omega Seamaster Planet Ocean 600M is a highly sought after timepiece in grey, available as a complete set with original boxes and documentation.

Condition: Excellent, very minimal wear
Outer Ar Coating Wear: insignificant wear that can only be seen under certain light conditions
Included Items: [object Object],[object Object],[object Object],[object Object],[object Object]

Posted at

Nov 30, 2025, 9:45 AM

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Omega Seamaster Planet Ocean 600M - Excellent Condition

Omega - 215.32.44.21.01.002 · $5,999

A black Omega Seamaster Planet Ocean 600M in excellent condition, complete with original presentation boxes and warranty card.

Condition: Excellent, minimal wear
Serial number: 210.32.42.20.01.001
Depth rating: 300m

Posted at

Nov 29, 2025, 10:21 PM

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Omega Seamaster Planet Ocean, 42mm Generation 1

Omega - 2201.51 · $3,400

This is a Generation 1 Omega Planet Ocean, measuring 42mm in size.

Condition: good condition with nicks and dents
Case Size: 42mm

Posted at

Nov 29, 2025, 6:42 PM

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Omega Seamaster Planet Ocean ✔️Titanium ✔️42mm

Omega - 232.90.42.21.03.001 · $4,150

This Omega Seamaster Planet Ocean 600M features a blue ceramic-titanium case, blue bezel and dial, and is powered by the Omega Calibre 8500 movement. It has a water resistance of 600m/2000ft and comes on a titanium bracelet.

Condition: Excellent condition
Case material: Titanium
Bezel and dial: Blue ceramic
Bracelet type: Titanium bracelet with deployant clasp

Posted at

Nov 29, 2025, 3:53 PM

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Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

This Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with factory warranty valid through November 2027, available for sale in excellent condition.

Condition: Exceptional
Case size: 45.5mm diameter
Warranty status: Factory warranty

Posted at

Nov 29, 2025, 2:36 AM

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