Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Alligator

Reference 215.23.46.51.03.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial Chronograph is a masterpiece that marries precision engineering with stunning aesthetics. This remarkable piece features a striking blue ceramic bezel and a lustrous Sedna gold case, making it a head-turner. The 45.5 mm round case is substantial yet comfortable on the wrist, suitable for both casual and formal settings. The watch boasts an exceptional movement, the Omega caliber 9900, which has received the new METAS certification for its precision and reliability. This automatic movement features a column wheel chronograph and a Co-Axial escapement, ensuring accurate timekeeping even when not worn for a couple of days. Its functionality includes hours, minutes, small seconds, date display, and chronograph capabilities, making it a versatile companion for any occasion. The rotating bezel is both a design element and a functional tool for divers, allowing easy tracking of elapsed time underwater. With a water resistance rating of 600 meters and a price tag of $15,300, this watch is an investment that offers excellent value for money. It's not just a timepiece; it's an heirloom, a conversation starter, and a piece of history.
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MSRP: $14,500
Market Price: $8,670

Key Features

  • Omega caliber 9900 movement
  • Sedna gold case with stainless steel
  • 600 meters water resistance
  • METAS certified chronograph

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Alligator
Reference
215.23.46.51.03.001
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
45.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] 2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295
Up for sale is a Omega Seamaster Planet Ocean 600m Titanium Blue, a high-end diver's watch from 2025.

  • Condition: Excellent condition with minimal signs of wear
  • Depth rating: 600m
  • Year: 2025
  • Case material: Titanium
Posted at
Apr 11, 2026, 1:15 PM
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[WTS] Omega Seamaster Planet Ocean 232.90.42.21.03.001 With a box and papers

Omega Seamaster Planet Ocean 232.90.42.21.03.001 With a box and papers

Omega - 232.90.42.21.03.001 · $5,250
The Omega Seamaster Planet Ocean is a lightweight and comfortable watch in full titanium, featuring a 42mm case and automatic movement.

  • Condition: Good overall condition, unpolished with honest signs of normal wear
  • Case size: 42mm
  • Material: Titanium
  • Bracelet material: Titanium
Posted at
Apr 11, 2026, 12:51 AM
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[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🔥

OMEGA - 232.32.42.21.01.003 · $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
  • Water Resistance Depth: 2000 feet
  • Case Size: 42mm
Posted at
Apr 10, 2026, 9:15 PM
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[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Complete set

Omega - 232.90.42.21.03.001 · $5,350
This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium case and bracelet, and is equipped with an automatic chronometer movement.

  • Condition: Mint condition
  • Case material: Titanium
  • Bracelet material: Titanium
  • Water resistance: 600 meter / 2000 feet
Posted at
Apr 10, 2026, 1:45 PM
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[WTS] Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 – Full Set | $4,000

Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 – Full Set | $4,000

Omega - 232.30.38.20.01.001 · $4,000
The Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 is a smaller version of the popular diver model, featuring a 37.5mm case, black dial, ceramic bezel, and 600m water resistance. It's powered by the Omega 8520 co-axial movement and comes with a steel bracelet.

  • Condition: Very good, pretty much new with minor usage marks on the case and bracelet
  • Case size: 37.5mm diameter
  • Movement: Omega 8520, co-axial automatic with 28 jewels, 25,200 bph, and a 50-hour power reserve
  • Water resistance: 600m
Posted at
Apr 9, 2026, 1:22 PM
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[WTS] Omega Seamaster Planet Ocean 45.5mm Black Dial Stainless 232.30.46.21.01.001

Omega Seamaster Planet Ocean 45.5mm Black Dial Stainless 232.30.46.21.01.001

Omega - 232.30.46.21.01.001 · $4,020
The Omega Seamaster Planet Ocean 600M is a rugged yet stylish dive watch built for adventure, featuring a 45.5 mm stainless steel case and a bold black dial with luminous hands and markers.

  • Condition: Excellent pre-owned
  • Bracelet size: 7.75 inches
  • Case condition: Little to no wear
  • Bezel condition: Little to no wear
Posted at
Apr 9, 2026, 12:40 PM
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[WTS] OMEGA Seamaster Planet Ocean GMT 600M Black Dial Co-Axial 232.32.44.22.01.001

OMEGA Seamaster Planet Ocean GMT 600M Black Dial Co-Axial 232.32.44.22.01.001

OMEGA - 232.32.44.22.01.001 · $4,980
The Omega Seamaster Planet Ocean GMT is a bold, highly capable dive watch that blends rugged functionality with everyday versatility.

  • Condition: Excellent preowned condition
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial caliber 8605 automatic
Posted at
Apr 9, 2026, 10:37 AM
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[WTS] Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega - 215.30.44.21.03.001 · $4,620
The Omega Seamaster Planet Ocean 600M is a bold diver’s watch with a deep blue dial and ceramic bezel, powered by the METAS-certified Co-Axial Master Chronometer Caliber 8900. It features top-tier accuracy, magnetic resistance, and 600 meters of water resistance.

  • Condition: Excellent pre-owned
  • Case size: 43.5mm
  • Water resistance: 600m
  • Bracelet length: 7.5 inches
Posted at
Apr 9, 2026, 10:32 AM
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[WTS] Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega - 215.30.44.21.03.001
  • Model: Planet Ocean 600M
  • Case size: 43.5mm diameter
  • Dial color: Blue
Posted at
Apr 9, 2026, 10:32 AM
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