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

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service

Omega - 232.30.42.21.01.004 · $4,999

This is a limited edition Skyfall watch with a black patterned dial and subtle Easter eggs, such as an additional 007 at the hour marker. It has a 42mm case size and Omega's in-house caliber 8507b movement with increased anti-magnetic properties.

Condition: Pre-owned, serviced by Omega in August
Diameter: 42mm
Water resistance: 600m (~2000ft)
Movement type: In-house caliber 8507b

Posted at

Nov 22, 2025, 3:52 PM

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Omega Seamaster Planet Ocean - 37.5mm - Automatic - Boxes & Papers

Omega - 232.92.38.20.03.001 · $3,999

Omega Seamaster Planet Ocean 600M Titanium Chronometer, a 37.5mm automatic watch that comes with various accessories.

Condition: Clean, almost no signs of wear
Case Size: 37.5mm diameter
Material: Titanium

Posted at

Nov 22, 2025, 3:18 PM

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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 · $4,300

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

Condition: Light signs of wear throughout
Case size: 43.5mm diameter
Water resistance: 600m depth rating

Posted at

Nov 22, 2025, 12:24 PM

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Omega Seamaster Planet Ocean 215.32.43.21.04.001 America's Cup Full Set

Omega - 215.32.43.21.04.001 · $6,750

This Omega Seamaster Planet Ocean is a special edition commemorating Omega's participation as the official timekeeper for the 36th America's Cup, featuring a stunning white dial with red and blue accents and an incredibly comfortable strap.

Strap material: leather

Posted at

Nov 22, 2025, 9:17 AM

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Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty blue😍😍

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean is a 45.5mm titanium watch with a factory warranty valid through November 2027.

Condition: Excellent condition
Case Size: 45.5mm diameter

Posted at

Nov 22, 2025, 1:19 AM

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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 is a 45.5mm watch that comes with factory warranty valid through November 2027.

Condition: exceptional
Case diameter: 45.5mm
Warranty valid until: 2027

Posted at

Nov 22, 2025, 1:15 AM

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Omega Seamaster Planet Ocean Black 8900 43.5mm 215.30.44.21.01.001 under warranty

Omega - 215.30.44.21.01.001 · $4,600

This Omega Seamaster Planet Ocean Black is a 43.5mm watch with factory warranty valid through August 2029, accompanied by original boxes and papers.

Condition: Excellent
Case Size: 43.5mm diameter
Water Resistance: 300m

Posted at

Nov 22, 2025, 1:13 AM

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Omega Seamaster Planet Ocean 600M 39.5mm Ref. 215.30.40.20.01.001 Full Set Under Warranty until 2028

Omega - 215.30.40.20.01.001 · $4,250

This is the first Planet Ocean generation to introduce the 39.5mm case size, making it one of the most desirable and collectible versions in the long term.

Condition: Very good pre-owned condition
Case Size: 39.5mm
Warranty Valid Until: 2028

Posted at

Nov 22, 2025, 12:05 AM

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