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

Reference 232.18.42.21.04.001

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

Pre-Owned Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001

Pre-Owned Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001

Omega - 215.30.46.21.04.001 · $9,199.009
Pre-Owned Omega Seamaster Planet Ocean Ultra Deep, a 46mm automatic watch with a white dial and 6,000m water resistance.

  • Condition: 94% (with faint marks on the sides and back of the case)
  • Case size: 46mm
  • Material: O-MEGASTEEL
  • Dial color: White
Posted at
Jun 13, 2025, 9:58 PM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph 45.5mm Titanium 215.92.46.51.99.001!

Omega Seamaster Planet Ocean Chronograph 45.5mm Titanium 215.92.46.51.99.001!

A 45.5mm Omega Seamaster Planet Ocean Chronograph in titanium, featuring a grey dial and unidirectional rotating bezel.

  • Condition: Excellent pre-owned condition with typical cosmetic wear on the case and clasp
  • Case diameter: 45.5mm
  • Water resistance: 600 Meters depth rating
Posted at
Jun 13, 2025, 2:52 PM
Active
Omega Seamaster Planet Ocean 2201.50, fresh Omega Service, $3795 USD shipped CONUS only.

Omega Seamaster Planet Ocean 2201.50, fresh Omega Service, $3795 USD shipped CONUS only.

Omega - 2201.50 · $3,795.004
The Omega Seamaster Planet Ocean 2201.50 is a high-end dive watch featuring a 42mm diameter case and 20mm lugs. It boasts an impressive 600m water resistance and a fresh Omega service.

  • Condition: Excellent, with scratches in the AR coating of the crystal
  • Bracelet condition: Excellent
  • Water resistance: 600m
Posted at
Jun 11, 2025, 11:03 PM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50

Omega Seamaster Planet Ocean 2200.50

Omega - 2200.50 · $2,350
A Omega Seamaster Planet Ocean in good condition, available for sale as watch only.

  • Condition: great condition with light scratches on crystal and bracelet
  • Payment Methods Accepted: crypto, cash, etc (except PayPal)
  • Trading Interested Brands: Tudor, Cartier, Rolex, Breitling, AP
Posted at
Jun 11, 2025, 3:40 PM
Active
[WTS] New 2025 Omega Seamaster Planet Ocean Ultra Deep 6000M Titanium 215.92.46.21.01.001

New 2025 Omega Seamaster Planet Ocean Ultra Deep 6000M Titanium 215.92.46.21.01.001

The watch being listed is a brand new Omega Seamaster Planet Ocean Ultra Deep 6000M Titanium model, featuring a sand blasted Grade 5 Titanium case and brushed black ceramic bezel. It has an automatic movement with 60-hour reserve and 6000M water resistance.

  • Condition: 10/10, unworn, new
  • Case Size: 45.5mm
  • Movement: 8912
  • Crystal Type: Domed Sapphire Crystal
Posted at
Jun 11, 2025, 1:03 PM
Active
Omega Seamaster Planet Ocean 600M | 2024 | Titanium | Full Set | OBO | 215.90.44.21.99.001| Warranty 2029

Omega Seamaster Planet Ocean 600M | 2024 | Titanium | Full Set | OBO | 215.90.44.21.99.001| Warranty 2029

Omega - 215.90.44.21.99.001 · £6,395.006
The Omega Seamaster Planet Ocean 600M is a titanium watch with a 43.5mm diameter, brushed grey ceramic unidirectional bezel, and sandblasted grade 5 titanium dial.

  • Condition: Used but in excellent condition
  • Case material: Grade 5 titanium
  • Diameter: 43.5mm
  • Thickness: ~16.1mm
Posted at
Jun 11, 2025, 11:09 AM
Active
Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.001 under warranty

Omega - 232.32.44.22.01.001 · $4,000.004
This Omega Seamaster Planet Ocean GMT is a 43.5mm watch with a factory warranty valid through November 2028. It's in good condition and comes as a full set.

  • Condition: Good condition
  • Warranty Valid Until: NOV 2028
  • Shipping Method: FedEx
  • Payment Options: zelle, venmo, wire, applepay
Posted at
Jun 10, 2025, 11:53 AM
Active
OMEGA Seamaster Planet Ocean 42mm | ref. 2201.50 | Watch + Cards

OMEGA Seamaster Planet Ocean 42mm | ref. 2201.50 | Watch + Cards

OMEGA - 2201.50 · $4,000.004
A 42mm Omega Seamaster Planet Ocean watch with crystal clean and movement running strong, but showing light scratches on the case and some wear on the bezel.

  • Condition: Gently preowned
  • Case size: 42mm
  • Bracelet condition: minimal signs of use
  • Included items: Warranty Card (Dated 2010), Chronometer Card, Pictogram Card, Omega Pouch
Posted at
Jun 9, 2025, 6:12 PM
Active