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

OMEGA Seamaster Planet Ocean 6000M "Ultra Deep" Summer Blue Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500

The OMEGA Seamaster Planet Ocean 6000M 'Ultra Deep' Ref. 215.30.46.21.03.002 is a commercially available version of the deep-sea watch originally developed for the Five Deeps Expedition, featuring a massive 45.5mm case made from high-grade stainless steel and powered by the Co-Axial Master Chronometer Calibre 8912.

Condition: UNWORN
Material: O-MEGASTEEL
Water resistance: 6000m (20,000ft)
Diameter: 45.5mm

Posted at

Dec 14, 2025, 11:57 PM

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[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service Price Drop

Omega - 232.30.42.21.01.004 · $4,850

This Omega Seamaster Planet Ocean 600M is a limited edition Skyfall model, featuring a black dial and 42mm case size. The watch has been recently serviced by Omega and comes with service receipt and removed parts.

Condition: Pre-owned, recently serviced by Omega in August (service receipt included)
Movement: Omega's in-house caliber 8507b with silicon balance spring for increased anti-magnetic properties
Water resistance: 600 meters (2000 feet)
Bracelet size: Sized to 7 inch wrist, with additional links included

Posted at

Dec 14, 2025, 2:46 PM

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Omega Seamaster Planet Ocean Black 8900 43.5mm 215.30.44.21.01.001 under warranty

Omega - 215.30.44.21.01.001 · $4,600

This Omega Seamaster Planet Ocean Black is a 43.5mm watch with a factory warranty valid until AUG 2029, accompanied by boxes and papers.

Condition: Excellent
Case size: 43.5mm

Posted at

Dec 13, 2025, 6:58 PM

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Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

This listing is for an Omega Seamaster Planet Ocean 8500 in exceptional condition, under warranty.

Condition: exceptional
Warranty Valid Until: November 2027

Posted at

Dec 13, 2025, 6:50 PM

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Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean is a 45.5mm titanium watch under warranty, with a factory warranty valid until November 2027.

Condition: Excellent condition
Case Material: Titanium
Size: 45.5mm diameter

Posted at

Dec 13, 2025, 6:48 PM

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Omega Seamaster Planet Ocean GoodPlanet GMT 44mm Blue Dial 232.32.44.22.03.001

Omega - 232.32.44.22.03.001 · $5,240

The Omega Seamaster Planet Ocean GoodPlanet is a 43.5mm dive watch with a deep blue dial, ceramic bezel, and GMT hand for tracking a second time zone.

Condition: Excellent pre-owned condition
Case size: 43.5mm diameter
Water resistance: unknown

Posted at

Dec 12, 2025, 11:57 PM

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Omega Seamaster Planet Ocean 600M Black Dial 45.5mm 215.30.46.51.01.001

Omega - 215.30.46.51.01.001 · $6,240

A bold 45.5mm diver with a sleek black ceramic dial, matching bezel, and in-house Co-Axial Master Chronometer Calibre 9900, offering chronograph precision and magnetic resistance up to 15,000 gauss.

Condition: Excellent pre-owned condition
Case size: 45.5mm
Water resistance: 600m
Material: Stainless steel

Posted at

Dec 12, 2025, 9:59 PM

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