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.
Buy Now on Jomashop
This is an affiliate link
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][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,525
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic, minor hairlines on case, clasp, or bracelet
  • Case diameter: 45.5mm
  • Water resistance: 600m
Posted at
Apr 9, 2026, 7:53 AM
Active
View listing on r/WatchExchange
[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

OMEGA - 215.30.44.21.01.002 · $4,800
This Omega Seamaster Planet Ocean 600M is a modern dive watch featuring a 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS. The black dial with orange accents gives the watch a sporty, modern look.

  • Condition: Very good, with light signs of wear from normal use
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial Master Chronometer Calibre 8900
  • Water resistance depth rating: 600m / 2000ft
Posted at
Apr 8, 2026, 2:12 PM
Active
View listing on r/WatchExchange
[WTS] 2025 Omega Seamaster Planet Ocean 600m 43.5mm Blue 215.30.44.21.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m 43.5mm Blue 215.30.44.21.03.001 Full Set - $5,295

Omega - 215.30.44.21.03.001 · $5,295
Up for sale is a Omega Seamaster Planet Ocean 600m 43.5mm Blue watch, with the reference number 215.30.44.21.03.001, manufactured in 2025.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Apr 8, 2026, 1:14 PM
Active
View listing on r/WatchExchange
[WTS] 2021 Omega Seamaster Planet Ocean Blue Dial on Bracelet 215.30.44.21.03.001 B+P

2021 Omega Seamaster Planet Ocean Blue Dial on Bracelet 215.30.44.21.03.001 B+P

Omega - 215.30.44.21.03.001 · $4,700
The Omega Seamaster Planet Ocean 215.30.44.21.03.001 is a great-looking dive watch with a deep blue dial and orange accents, built in a 43.5mm stainless steel case.

  • Condition: Excellent
  • Case diameter: 43.5mm
  • Crystal material: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Apr 8, 2026, 12:58 PM
Active
View listing on r/WatchExchange
[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
A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue watch, featuring a titanium case and blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Model type: Seamaster Planet Ocean 600m Titanium Blue
  • Water resistance: 600m depth rating
  • Year: 2025
Posted at
Apr 8, 2026, 12:23 PM
Active
View listing on r/WatchExchange
[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

Omega - 232.30.46.21.01.002 · $2,999
The Omega Seamaster Planet Ocean is a 45.5mm diver's watch with a depth rating of 600m.

  • Condition: Pre-owned
  • Case size: 45.5mm diameter
  • Depth rating: 600m
Posted at
Apr 7, 2026, 4:47 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Seamaster Planet Ocean Chronograph 600M 45.5mm REF 215.30.46.51.01.001 Box&Papers

OMEGA Seamaster Planet Ocean Chronograph 600M 45.5mm REF 215.30.46.51.01.001 Box&Papers

OMEGA - 215.30.46.51.01.001 · $5,850
A stunning Omega Seamaster Planet Ocean Chronograph with a 45.5mm case, available in complete set including inner wood box and papers.

  • Condition: Very good condition with light hairlines on the case
  • Year: 2020
  • Size: 45.5mm diameter
  • Box condition: Inner wood Omega presentation box is complete but the box and pillow are flaky
Posted at
Apr 7, 2026, 11:18 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega - 217.32.42.21.01.001 · $7,000
This Omega Seamaster Planet Ocean 600M is one of Omega's newest releases, a stunning and sporty watch that feels refined enough to wear anywhere.

  • Condition: new
  • Year: 2025
  • Retail Price: $8,600
  • Shipping Included: yes
Posted at
Apr 7, 2026, 9:12 AM
Active
View listing on r/WatchExchange
[WTS](Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

(Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

Omega - 232.30.46.21.01.003 · $2,900
A black Omega Seamaster Planet Ocean with a rich history of being bought and sold on this forum. The watch is in amazing condition and was barely worn since its last service.

  • Condition: like new, recently serviced
  • Previous owner's sales history: over 100 sales
  • Face to face sale requirement: FaceTime is required for the sale
Posted at
Apr 6, 2026, 10:41 PM
Active
View listing on r/WatchExchange