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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster Planet Ocean 600M (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001 · $4,475

This Omega Seamaster Planet Ocean 600M is a discontinued reference featuring a black dial on a steel bracelet, in excellent condition with a few light marks.

Condition: Excellent condition, with a few light marks on the case and bracelet
Case size: 43.5mm diameter
Case material: Stainless Steel
Bracelet material: Stainless Steel

Posted at

May 3, 2026, 8:29 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

Omega - 232.32.46.21.01.003 · $3,195

This Omega Seamaster Planet Ocean is being sold with its original box and card.

Box: true
Card: true

Posted at

May 2, 2026, 1:35 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $4,995

Omega - 232.92.44.22.03.001 · $4,995

This Omega Seamaster Planet Ocean 600m Titanium Blue is a 2025 model, reference number 232.92.44.22.03.001.

Condition: Excellent condition with minimal signs of wear
Year: 2025
Depth rating: 600m

Posted at

May 2, 2026, 12:45 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 | 42mm | Full Set | Very Good Condition $3700

Omega - 2201.50 · $3,700

For sale is an Omega Seamaster Planet Ocean 2201.50, one of Omega’s most respected modern divers and an outstanding value in luxury sports watches.

Condition: Very Good Condition
Case size: 42mm
Water resistance: 600M
Movement type: Omega Co-Axial automatic movement

Posted at

May 2, 2026, 8:01 AM

Active

View listing on r/WatchExchange

RARE Omega Seamaster Planet Ocean 2500D 45.5mm 2200.50.00

Omega - 2200.50.00 · $3,590

This Omega Seamaster Planet Ocean is a rare model featuring a 45.5mm case, making it a unique and eye-catching timepiece.

Condition: Excellent
Case Diameter: 45.5mm

Posted at

May 1, 2026, 10:22 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 underwarranty

Omega - 215.30.44.21.03.001 · $4,600

The Omega Seamaster Planet Ocean 8900 Blue features a 43.5mm case size and is still under warranty until November 2028.

Warranty Valid Through: NOV 2028
Shipping Method: FedEx
Available Payment Methods: Zelle, Venmo, Wire, Apple Pay

Posted at

May 1, 2026, 10:20 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 Blue 43.5mm 215.30.44.21.03.001 under warranty

Omega - 215.30.44.21.03.001 · $4,600

This Omega Seamaster Planet Ocean is a 43.5mm model under warranty until September 2028, complete with its boxes in great condition.

Condition: like new
Warranty Valid Until: SEP 2028
Boxes Condition: great

Posted at

May 1, 2026, 10:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

The Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch featuring a chronograph function.

Condition: Excellent condition
Case Size: 45.5mm diameter
Payment Methods: Zelle, Venmo, wire transfer, Apple Pay

Posted at

May 1, 2026, 10:16 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

Additional Details: Model: Omega Seamaster Planet Ocean 8500 45.5mm, a 2 - 3 sentence summary of the watch in the listing is not directly available, but it's an Omega Seamaster Planet Ocean 8500 with a 45.5mm case.

Condition: great condition
Case diameter: 45.5mm
Movement: 8500

Posted at

May 1, 2026, 10:13 PM

Active

View listing on r/WatchExchange