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

(Serviced) Omega Seamaster Planet Ocean 600mm Black 232.30.46.21.01.003 45.5mm $2900

Omega - 232.30.46.21.01.003 · $2,900

Planet Ocean model with a black face, 45.5mm case size, and excellent timegrapher numbers.

Condition: Excellent
Case Size: 45.5mm

Posted at

Oct 18, 2025, 1:32 AM

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NEAR MINT Omega Seamaster Planet Ocean 8500 Orange 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600

A near-mint Omega Seamaster Planet Ocean Orange 8500 in 45mm, featuring a gray bezel swapped for an OEM orange one and a new style OEM mesh/milanese bracelet.

Condition: Near mint
Bracelet Type: Mesh/Milanese
Bezel Color: Orange

Posted at

Oct 17, 2025, 9:24 PM

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Omega Seamaster Planet Ocean GMT Good Planet 232.30.44.22.03.001 3.5mm

Omega - 232.30.44.22.03.001 · $4,900

A Omega Seamaster Planet Ocean GMT Good Planet, featuring a 43.5mm case size.

Condition: Good
Case Diameter: 43.5mm

Posted at

Oct 17, 2025, 9:21 PM

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Omega Seamaster Planet Ocean Chronograph 9300 232.30.46.51.01.001 under warranty

Omega - 9300 232.30.46.51.01.001 · $4,400

This Omega Seamaster Planet Ocean Chronograph is a well-maintained timepiece with factory warranty valid through NOV 2027.

Condition: Great condition with boxes and papers

Posted at

Oct 17, 2025, 9:01 PM

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Omega Seamaster Planet Ocean 600M - 43.5mm - Black Dial - Boxes & Papers

Omega - 232.32.44.22.01.001 · $4,999

This Omega Seamaster Planet Ocean 600M features a black dial and comes in at 43.5mm in size. It has clean crystal with no hairlines on the case.

Condition: great condition with clean crystal and no hairlines
Case Size: 43.5mm
Water Resistance: 600m

Posted at

Oct 17, 2025, 1:17 AM

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Omega Seamaster Planet Ocean 1st Gen 42mm Automatic

Omega - 22095000 · $2,950

The Omega Seamaster Planet Ocean is a robust dive watch with a 600m water resistance, launched in 2005 to celebrate Omega's dive heritage. It features a stainless steel case, black matte dial, and orange aluminum bezel.

Condition: Excellent condition all around
Case size: 42mm diameter
Bezel material: aluminum
Water resistance: 600m

Posted at

Oct 15, 2025, 12:54 PM

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Omega Seamaster Planet Ocean 2201.50 42mm Full Set

Omega - 2201.50 · $3,600

A 42mm Omega Seamaster Planet Ocean 2201.50, considered by the seller as one of the best diver Omegas ever made. It has a short lug to lug design, giving it a smaller wear size. This watch was popularized by Daniel Craig's character in 'Quantum of Solace'.

Condition: Pre-owned, minor scratches and AR coating markings
Wrist size: 6.5"
Lug to lug length: shorter
Bracelet size: 42mm diameter

Posted at

Oct 14, 2025, 4:33 PM

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2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

Omega - 215.30.44.22.01.001 · $5,700

2021 Omega Seamaster Planet Ocean 'Oreo' GMT is a luxury watch with minor wear on the case.

Condition: Very Good Condition
Case Wear: Minor
Box Condition: Outer white box flap is loose
Accessories: Double Box,All 3 Omega Cards (Warranty dated 6/8/21),Hangtag, Manual, Customer Service papers,Extra Black/white Rubber Strap

Posted at

Apr 4, 2025, 3:36 PM

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Omega SEAMASTER PLANET OCEAN 600M STEEL SUMMER BLUE DIAL 39.5MM 2024 FULL SET

Omega - 215.30.40.20.03.002 · $5,175

This is a 2024 Omega Seamaster Planet Ocean 600m in stainless steel with a blue ceramic bezel and brushed ceramic blue gradient dial.

Condition: Excellent, unpolished condition
Movement: Co-Axial Master Chronometer calibre 8900
Water resistance: 600m
Diameter: 39.5mm

Posted at

Apr 3, 2025, 9:35 PM

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