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

[wts] Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

This Omega Seamaster Planet Ocean is a 42.5mm watch with box and papers, available for sale.

  • Condition: Good
  • Size: 42.5mm diameter
Posted at
Apr 27, 2025, 6:44 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

This Omega Seamaster Planet Ocean 600M is a limited edition watch with subtle Easter eggs and a legible dial. It features a black patterned dial, 42mm case size, and Omega's in-house caliber 8507b movement with increased anti-magnetic properties.

  • Condition: Excellent, recently serviced
  • Water resistance: 600m (~2000ft)
  • Case size: 42mm
  • Movement: Omega Caliber 8507b (in-house)
Posted at
Apr 27, 2025, 2:40 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 UNDER WARRANTY

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 UNDER WARRANTY

This Omega Seamaster Planet Ocean is a 45.5mm watch with a factory warranty valid until October 2026, available for sale.

  • Condition: Excellent condition
  • Warranty Valid Until: October 2026
  • Payment Methods: zelle, applepay, venmo
Posted at
Apr 27, 2025, 10:23 AM
Active
[wts] Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

This Omega Seamaster Planet Ocean GMT is a 43.5mm model under warranty through April 2027, sold in excellent condition with box and papers.

  • Condition: Excellent
  • Case Size: 43.5mm diameter
  • Strap Condition: Mint, except for missing stitches
Posted at
Apr 27, 2025, 10:17 AM
Active
Zealande Rubber Watch Strap for Omega Seamaster Planet Ocean 43.5mm in Blue

Zealande Rubber Watch Strap for Omega Seamaster Planet Ocean 43.5mm in Blue

Omega - Planet Ocean · $75.008
  • Condition: preowned/excellent
  • Size: 43.5mm diameter
Posted at
Apr 23, 2025, 6:20 PM
Active
Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega - 215.32.44.21.01.001 · $4,000.004
This Omega Seamaster Planet Ocean features a 43.5mm case size, orange bezel highlights, and a rubber strap for added comfort.

  • Condition: Great shape
  • Case size: 43.5mm
  • Water resistance: 600M
Posted at
Apr 22, 2025, 7:24 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M Black Ceramic Sedna Gold 215.63.46.22.01.001

Omega Seamaster Planet Ocean 600M Black Ceramic Sedna Gold 215.63.46.22.01.001

Omega - 215.63.46.22.01.001 · $14,895
The Omega Seamaster Planet Ocean 600M features a stunning combination of black ceramic and 18kt Sedna gold, with a beautiful wave pattern on the dial and a rotating bezel.

  • Condition: Excellent condition, little to no signs of wear
  • Case Size: 45.5mm
  • Case Material: Ceramic
  • Bezel Material: Ceramic and 18k Sedna Gold
Posted at
Apr 22, 2025, 4:17 PM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph 600M 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 600M 45.5mm 232.30.46.51.01.001

Seamaster Planet Ocean Chronograph 600M, 45.5mm case size.

  • Bracelet Length: 7.25 inches
Posted at
Apr 21, 2025, 8:54 PM
Active