Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Stainless Steel / Sedna Gold / White / Alligator

Reference 215.23.40.20.04.001

About this watch

The Omega Seamaster Planet Ocean 215.23.40.20.04.001 is a masterpiece of watchmaking, combining exceptional technical prowess with luxury appeal. Crafted from Sedna Gold and Stainless Steel, this timepiece boasts a durable exterior with a rotating ceramic bezel and a white dial adorned with mixed indexes and arrow-shaped hands. At its heart lies the Omega caliber 8800, a self-winding movement certified as a Master Chronometer by METAS, showcasing Omega's commitment to precision and innovation. With a water resistance of 600 meters and a power reserve of 55 hours, this watch is perfect for divers and luxury enthusiasts alike.
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MSRP: $9,100
Market Price: $6,228

Key Features

  • Omega caliber 8800 Co-Axial escapement movement
  • Sedna Gold and Stainless Steel construction
  • Rotating ceramic bezel with 0-60 markings
  • White dial with mixed indexes and arrow-shaped hands
  • Water resistance of 600 meters (2000 feet)
  • Power reserve of 55 hours
  • Scratch-resistant sapphire crystal

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Stainless Steel / Sedna Gold / White / Alligator
Reference
215.23.40.20.04.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
39.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] 2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

Up for sale is a Omega Seamaster Planet Ocean 600m 42mm Black watch, featuring a 2020 model year.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, instructions manual
Posted at
Apr 18, 2026, 5:23 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.32.46.21.01.005

Omega Seamaster Planet Ocean 8500 45.5mm 232.32.46.21.01.005

This is a Omega Seamaster Planet Ocean 8500, a high-end dive watch with a 45.5mm case size and various features.

  • Condition: great
  • Case Diameter: 45.5mm
Posted at
Apr 18, 2026, 5:22 PM
Active
[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue, featuring a reference number of 232.92.44.22.03.001.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Depth rating: 600m
Posted at
Apr 18, 2026, 5:04 PM
Active
[WTS] Omega Seamaster Planet Ocean Dec 2025 Ref. 217.32.42.21.01.002 – Mint Full Set – $6,750

Omega Seamaster Planet Ocean Dec 2025 Ref. 217.32.42.21.01.002 – Mint Full Set – $6,750

A solid and reliable watch with a great balance of sportiness and everyday versatility.

  • Condition: Mint
  • Year: 2025
Posted at
Apr 18, 2026, 3:00 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,150🔥

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

  • Condition: VERY GOOD (few superficial scratches on case)
  • Movement: Co-Axial Caliber 8500
  • Case material: stainless steel
  • Case size: 42mm diameter
Posted at
Apr 17, 2026, 10:09 PM
Active
[WTS] Omega Seamaster Planet Ocean “Creamsicle” 215.30.44.21.04.001

Omega Seamaster Planet Ocean “Creamsicle” 215.30.44.21.04.001

The Omega Seamaster Planet Ocean 600M 'Creamisicle' is a dive watch that combines performance and style with its orange bezel, stainless steel case, and crisp white dial.

  • Condition: Pre-owned, great condition
  • Case diameter: 43.5mm
  • Depth rating: 600m
  • Movement type: Self-winding mechanical
Posted at
Apr 17, 2026, 3:50 PM
Active
[WTS] Omega Seamaster Planet Ocean 2200.51 – 42mm – Full Set –

Omega Seamaster Planet Ocean 2200.51 – 42mm – Full Set –

Omega - 2200.51 · $4,195
The Omega Seamaster Planet Ocean is a great everyday diver with strong build quality and classic design, featuring the Co-Axial movement in a 42mm stainless steel case.

  • Condition: Very clean overall with light wear consistent with age
  • Case size: 42mm diameter
  • Movement type: Automatic (Caliber 2500)
  • Water resistance: 600m depth rating
Posted at
Apr 17, 2026, 8:24 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium –

Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium –

Omega - 232.92.42.21.03.001 · $12,000
  • Case material: titanium
  • Diameter: 42mm
Posted at
Apr 17, 2026, 8:18 AM
Active
[WTS] 2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

2020 Omega Seamaster Planet Ocean 600M 42mm Black 232.30.42.21.01.001 Full Set - $4,395

Up for sale is a Omega Seamaster Planet Ocean 600m 42mm Black, a 2020 model with all original accessories.

  • Condition: Excellent condition with minimal signs of wear
  • Depth Rating: 600m
Posted at
Apr 16, 2026, 6:40 PM
Active