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

Reference 232.18.46.21.01.001

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

About this watch

The Omega Seamaster Planet Ocean 232.18.46.21.01.001 is a statement piece that combines craftsmanship, durability, and luxury in one timepiece. The 45.5mm stainless steel case feels solid and luxurious on the wrist, while the black dial with mixed indexes offers striking contrast and readability. The gem-set bezel adds opulence, making this watch perfect for both diving expeditions and formal events. At its core is the Omega Caliber 8500 movement, a marvel of engineering with a Co-Axial escapement that reduces friction and enhances accuracy. With a water resistance rating of 600 meters, this watch is designed for serious divers who demand precision and reliability. The alligator leather strap adds sophistication and comfort, while the deployment clasp ensures security. This timepiece is an investment in both style and reliability, perfect for those willing to invest in a piece of art that tells a story.

Buy Now on Jomashop

This is an affiliate link

MSRP: $19,500

Market Price: $7,392

Key Features

Omega Caliber 8500 movement with Co-Axial escapement
600m water resistance rating
45.5mm stainless steel case
Black dial with mixed indexes and gem-set bezel
Alligator leather strap with deployment clasp
Chronometer certification for precision timekeeping
Sapphire crystal for durability

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

232.18.46.21.01.001

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

[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 · $4,350

This Omega Seamaster Planet Ocean 600m is a high-end diver's watch with a black dial and 45.5mm diameter.

Condition: Fantastic with minor hairlines on case, clasp, or bracelet
Case Size: 45.5mm diameter
Water Resistance: 600m

Posted at

May 28, 2026, 7:04 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M Ultra Deep | Complete set + more

Omega - 215.30.46.21.03.001 · $8,250

This Omega Seamaster Planet Ocean 600M Ultra Deep is a high-end dive watch featuring excellent craftsmanship and attention to detail, with a sleek design and robust build.

Condition: Excellent, sparingly worn
Shipping: fully insured FedEx Overnight Priority shipping

Posted at

May 27, 2026, 7:27 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 42mm

Omega - 2201.51.00 · $3,500

A 42mm Omega Seamaster Planet Ocean 600m with a 2500 movement, seahorse caseback, and stainless steel bracelet, suitable for both casual and formal wear.

Movement: Calibre 2500
Case thickness: 13mm
Diameter: 42mm

Posted at

May 27, 2026, 4:53 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M "SKYFALL" 42mm 232.30.42.21.01.001 | Fresh Service, Fullset | $3,599 Shipped

The Omega Seamaster Planet Ocean 600M 'SKYFALL' is a 42mm watch featuring the in-house Co-Axial Cal. 8500 and clean, symmetrical no-date style proportions. It's the same model worn by Daniel Craig in Skyfall.

Posted at

May 26, 2026, 10:29 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 42mm | 232.30.42.21.01.003 | 2023 Full Set

Omega - 232.30.42.21.01.003 · $3,950

This Omega Seamaster Planet Ocean 600M features the in-house Omega Co-Axial Caliber 8500 automatic movement, ceramic bezel, and impressive 600 meters of water resistance.

Condition: Excellent Condition
Movement: in-house Omega Co-Axial Caliber 8500
Depth rating: 600m

Posted at

May 25, 2026, 6:20 PM

Active

View listing on r/WatchExchange