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] 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, with few superficial scratches on case
  • Movement: Co-Axial Caliber 8500
  • Water resistance: 600m (2000 feet)
  • Case material: stainless steel
Posted at
Mar 21, 2026, 7:09 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m 42mm, 232.30.42.21.01.003 with black dial, (orange 6, 9, 12), w/ box & papers

Omega Seamaster Planet Ocean 600m 42mm, 232.30.42.21.01.003 with black dial, (orange 6, 9, 12), w/ box & papers

Omega - 232.30.42.21.01.003 · $4,100
The Omega Seamaster Planet Ocean 600m 42mm features a classic dive watch design with a black dial, orange numerals, and stainless steel bracelet.

  • Condition: Excellent, previously cherished condition
  • Case diameter: 42mm
  • Water resistance: 600m
  • Bracelet size capacity: up to 7.5" wrist
Posted at
Mar 19, 2026, 1:35 PM
Active
[WTS] Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $2,990

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $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 with minimal marks/hairlines
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Bracelet type: original Omega steel bracelet
Posted at
Mar 19, 2026, 4:52 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – 2025 Set

Omega - 232.90.42.21.03.001 · $5,350
The Omega Seamaster Planet Ocean 600M features a titanium 42mm case and bracelet, with a blue ceramic bezel and dial.

  • Condition: Mint condition
  • Case Size: 42mm diameter
  • Water Resistance: 600m / 2000ft
  • Movement: Omega Calibre 8500
Posted at
Mar 18, 2026, 3:33 PM
Active
[WTS] Omega Seamaster Planet Ocean - 2200.50

Omega Seamaster Planet Ocean - 2200.50

Omega - 2200.50 · $3,300
This Omega Seamaster Planet Ocean ref. 2200.50 is the classic Co-Axial model powered by Omega caliber 2500, featuring a black dial and black bezel, along with sapphire crystal and 600m water resistance.

  • Condition: Pre-owned with scratches on AR coating
  • Water Resistance: 600m
  • Case Size: 45.5mm diameter
  • Movement: Omega caliber 2500 (Co-Axial)
Posted at
Mar 18, 2026, 10:18 AM
Active
[WTS] Omega Seamaster Planet Ocean Blk & Orange $5299

Omega Seamaster Planet Ocean Blk & Orange $5299

a black and orange Omega Seamaster Planet Ocean watch for sale

  • Color: Black & Orange
Posted at
Mar 17, 2026, 9:09 AM
Active
[WTS] Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 · $4,500
A 43.5mm stainless steel Omega Seamaster Planet Ocean 600M 'Good Planet' watch with a vibrant blue dial, polished blue ceramic bezel, and orange GMT accents.

  • Case diameter: 43.5 mm
  • Thickness: 17.25 mm
  • Lug width: 21 mm
Posted at
Mar 16, 2026, 10:00 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M
45.5 mm, steel on steel $3200

Omega Seamaster Planet Ocean 600M 45.5 mm, steel on steel $3200

Omega - 2208.50.00 · $3,200
The Omega Seamaster Planet Ocean 600M is a stylish dive watch that pays homage to OMEGA’s maritime legacy, featuring a black dial with a date window and an orange unidirectional rotating divers’ bezel on a stainless steel case.

  • Case Diameter: 45.5 mm
  • Water Resistance: 600m / 60 bar
  • Movement Power Reserve: 48 hours
Posted at
Mar 16, 2026, 5:47 PM
Active
[WTS] Omega Seamaster Planet Ocean 600m, 2201.51, 42mm, Black Dial and Bezel, Steel Bracelet, Box & Papers

Omega Seamaster Planet Ocean 600m, 2201.51, 42mm, Black Dial and Bezel, Steel Bracelet, Box & Papers

Omega - 2201.51 · $3,600
The Omega Seamaster Planet Ocean 600m is a classic dive watch with a functional combination of features, including a 42mm case diameter and distinctive black dial.

  • Condition: Very good, previously cherished condition
  • Case diameter: 42mm
  • Bracelet length: fits 7.25" wrist comfortably with 2 extra links
Posted at
Mar 16, 2026, 3:10 PM
Active