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

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] 42mm Omega Seamaster Planet Ocean 2201.50 with Paper & Extra

42mm Omega Seamaster Planet Ocean 2201.50 with Paper & Extra

Omega - 2201.50 · $2,999
The Omega Seamaster Planet Ocean ref 2201.50 is a high-end watch featuring a black aluminum bezel, 42mm case, and 20mm lugs. It's considered the best of Omega's PO lineup with a durable design.

  • Condition: Very good
  • Case size: 42mm diameter
  • Lug to lug length: 48mm
  • Bezel material: black aluminum
Posted at
Mar 25, 2026, 7:57 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Box & Papers 2025

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Box & Papers 2025

This Omega Seamaster Planet Ocean 600M features a blue ceramic bezel and dial, titanium 42mm case and bracelet, with an Omega Calibre 8500 automatic chronometer and 600 meter water resistance.

  • Condition: Mint condition
  • Case material: Full titanium
  • Bracelet material: Titanium
  • Water resistance: 600 meter / 2000 feet
Posted at
Mar 25, 2026, 2:26 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, a 42mm automatic watch with an Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Case size: 42mm diameter
  • Bracelet material: Steel
  • Bezel insert material: Aftermarket
Posted at
Mar 25, 2026, 4:07 AM
Active
[WTS] Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Precision Chrono DK🪐AVAILABLE—Omega Seamaster Planet Ocean 600M Titanium | 232.92.46.21.03.001 | Box & Papers | Very Good Condition

Omega - 232.92.46.21.03.001 · $10,400
A Precision Chrono DK is selling an Omega Seamaster Planet Ocean 600M Titanium, featuring a titanium case and other details.

  • Condition: Very Good
  • Case material: titanium
  • Water resistance: 600m
Posted at
Mar 25, 2026, 1:46 AM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

An Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer 44mm, featuring a bold 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS.

  • Condition: Very good
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial Master Chronometer Calibre 8900
  • Water resistance: 600m / 2000ft
Posted at
Mar 24, 2026, 8:18 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm - $2,990

Omega - 2201.50 · $2,990
Up for sale is my great condition Omega Seamaster Planet Ocean 2201.50, measuring at 42mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age
  • Movement: Calibre 2500
  • Bracelet size: original Omega steel bracelet
  • Case condition: 8.9/10
Posted at
Mar 22, 2026, 11:08 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 215.30.46.51.01.001 - Full Set

This Omega Seamaster Planet Ocean 600m features a black dial and 45.5mm case size, perfect for diving or everyday wear.

  • Condition: Fantastic condition, minor hairlines
  • Case Size: 45.5mm diameter
Posted at
Mar 22, 2026, 9:40 AM
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 features a 45.5mm case, offering a large and stylish design. The watch is still under warranty until November 2027.

  • Condition: exceptional condition
  • Case size: 45.5mm diameter
  • Warranty valid until: November 2027
Posted at
Mar 21, 2026, 11:22 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

This Omega Seamaster Planet Ocean is a 45.5mm watch with a 600m depth rating.

  • Condition: Pre-owned, polished
  • Diameter: 45.5mm
  • Depth Rating: 600m
Posted at
Mar 21, 2026, 7:30 PM
Active