Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

Reference 232.18.46.51.01.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph is a stunning luxury watch that embodies the perfect blend of advanced technology and elegance. Crafted from high-quality stainless steel, this timepiece boasts a robust yet elegant vibe with its 45.5 mm round case. The gem-set bezel adds a touch of luxury, while the black dial featuring mixed indexes and arrow hands ensures excellent legibility. With a staggering water resistance of 600 meters, this watch is designed for serious underwater adventures. Powered by the Omega caliber 9300, a self-winding chronograph with a Si14 silicium balance spring, this timepiece delivers smooth operation and precision timing. The Co-Axial escapement reduces friction between components, leading to improved accuracy and reduced maintenance needs. Wearing comfortably on the wrist, this watch adapts effortlessly with its adjustable clasp and 22 mm lug width. With a price tag of $18,600, it's an investment in craftsmanship that will stand the test of time.

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MSRP: $22,600

Market Price: $10,144

Key Features

45.5mm stainless steel case
Gem-set bezel for added luxury
Black dial with mixed indexes and arrow hands
Omega caliber 9300 self-winding chronograph movement
600m water resistance
Co-Axial escapement for improved accuracy
Adjustable clasp and 22mm lug width

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Diamond / Black / Alligator

Reference

232.18.46.51.01.001

Movement

9300

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Chronometer, Co-Axial Escapement

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

2023 Omega Seamaster Planet Ocean 600M 39.5MM Black Dial 215.30.40.20.01.001 Full Set

Omega - 215.30.40.20.01.001 · $3,925

2023 Omega Seamaster Planet Ocean 600M with a black dial, stainless steel case, and rotating dive bezel.

Condition: Preowned with some scratches on the case and bracelet
Case dimensions: 39.5mm diameter
Bezel material: Stainless Steel
Dial type: Black Ceramic

Posted at

Dec 10, 2025, 8:23 PM

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Omega Seamaster Planet Ocean 600M 2200.50 – Full Set – Excellent Condition – $3,250 (Shipped CONUS) 45.5mm

Omega - 2200.50 · $3,250

This Omega Seamaster Planet Ocean 600M is a high-end diver's watch featuring a 45.5mm diameter case.

Condition: Excellent Condition
Diameter: 45.5mm

Posted at

Dec 9, 2025, 7:32 PM

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Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $8,100

Omega - 215.30.46.21.04.001 · $8,100

The Omega Seamaster Planet Ocean Ultra Deep is an extremely robust and technically impressive dive watch with a staggering 6,000-meter depth rating. Released in 2022 as a production version of the prototype that went to the deepest point on Earth, the watch features high-performance engineering but oversized dimensions.

Condition: Minty condition, excellent time keeping
Case diameter: 45mm
Lug width: 22mm
Lug-to-lug: 51.9mm

Posted at

Dec 9, 2025, 12:13 PM

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Omega Seamaster Planet Ocean 600m 42mm | 232.30.42.21.01.001

Omega - 232.30.42.21.01.001 · $3,350

This Omega Seamaster Planet Ocean is a 42mm watch with a 7-inch bracelet, featuring fresh polish.

Bracelet length: 7 inch
Case size: 42mm

Posted at

Dec 8, 2025, 6:10 PM

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Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega - 21530442103001 · $4,250

A robust dive watch from Omega's Planet Ocean lineup, featuring a blue ceramic dial and bezel, with a stainless steel case.

Condition: Unworn/mint condition
Case size: 43.5mm diameter
Movement: Calibre 8900 automatic chronometer
Depth rating: 600m / 2000 feet / 60 bar

Posted at

Dec 8, 2025, 11:50 AM

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2011 Omega Seamaster Planet Ocean, 42mm Generation 1

Omega - 2201.51 · $3,000

2011 Omega Seamaster Planet Ocean, Generation 1, 42mm in good condition and running well.

Condition: Good condition with nicks and dents
Movement: 2500D movement
Bracelet Length: 7.6 inches
Bracelet Size: adjusts up to 7.6 inches

Posted at

Dec 7, 2025, 3:37 PM

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Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega - 232.30.46.21.01.001 · $3,200

A Omega Seamaster Planet Ocean 45mm is for sale with its original packaging and accessories.

Condition: Some hairline scratches on the case, small knick on lug, signs of wear on bracelet
Box And Papers: Yes, including outer/inner boxes, instruction manual, warranty card, original accessories
Shipping: Via FedEx Ground with signature confirmation
Payment Methods: Zelle preferred, PayPal G&S available, banks wire

Posted at

Dec 7, 2025, 12:04 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 · $4,900

A discontinued Limited Edition Skyfall Omega Seamaster Planet Ocean 600M with a black patterned dial and in-house caliber 8507b movement, water resistant up to 600 meters.

Condition: Pre-owned, recently serviced by Omega
Case size: 42mm
Water resistance: 600m (~2000ft)
Movement: Caliber 8507b with silicon balance spring

Posted at

Dec 6, 2025, 1:47 PM

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