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.

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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

Mint Condition Omega Seamaster Planet Ocean 600m 200.500.00 45.5mm Serviced by Omega

Omega - 200.500.00

This Omega Seamaster Planet Ocean is a high-end diving watch with impressive features.

Condition: Mint Condition
Depth rating: 600m
Size: 45.5mm diameter

Posted at

Feb 5, 2026, 9:36 AM

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Omega Seamaster Planet Ocean - 2209.50 - 42mm

Omega - 2209.50 · $2,695

A Omega Seamaster Planet Ocean watch ref: 2209.50, in a 42mm case size with orange bezel, available for sale.

Condition: Pre-owned with wear and vintage aesthetic
Case Size: 42mm
Bezel Color: orange

Posted at

Feb 4, 2026, 1:29 PM

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Omega Seamaster Planet Ocean. New generation with blue ceramic bezel.

Omega - 217.30.42.21.01.002 · $7,500

The Omega Seamaster Planet Ocean is a new generation watch with a blue ceramic bezel, featuring a metal bracelet.

Condition: Pre-owned, minor marks on clasp and links
Bracelet size: 7.1-inch (18 cm)
Warranty remaining: purchased with warranty card dated December 10, 2025
Receipt included: yes

Posted at

Feb 3, 2026, 10:02 AM

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Omega Seamaster Planet Ocean Chronograph full kit with warrenty

Omega - 215.30.46.51.01.001 · $4,799

A 2023 Omega Seamaster Planet Ocean Chronograph featuring jump hour capabilities, chronograph functions, helium escape valve, and 600M water resistance.

Condition: great shape with some wear on the bezel and bracelet
Water resistance: 600M
Diameter: 45.5mm

Posted at

Feb 3, 2026, 8:59 AM

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Omega Seamaster Planet Ocean 2201.50.00

Omega - 2201.50.00 · $2,800

This Omega Seamaster Planet Ocean features a 42mm stainless steel case with black ceramic bezel and is powered by the Omega Co-Axial Calibre 2500 movement.

Condition: good condition with some wear on the bracelet
Case Size: 42mm
Water Resistance: 600m / 2000 ft
Crystal Type: sapphire crystal with anti-reflective coating

Posted at

Feb 2, 2026, 11:29 PM

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Omega Seamaster Planet Ocean 600m Worldtimer | ref. 215.92.46.22.01.007 | 2025 Complete

Omega - 215.92.46.22.01.007 · $11,000

This Omega Seamaster Planet Ocean 600m Worldtimer is a 45.5mm ceramic diver with a 2025 complete set, including a triple box set and travel case.

Condition: 10/10 - excellent condition with no flaws
Case Size: 45.5mm diameter
Depth Rating: 600m

Posted at

Feb 2, 2026, 12:50 PM

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Omega Seamaster Planet Ocean 2200.50 - 45.5mm - Price Reduced!

Omega - 2200.50 · $2,750

Selling a clean Omega Planet Ocean 2200.50 that James Bond wore in Casino Royale. The watch is a great example compared to other online comps and features very minimal wear on the bracelet, case, and clasp.

Condition: Great
Water Resistance: 300m water resistance
Case Diameter: 45.5mm diameter
Wrist Fit: fits up to 7.5 inch wrist

Posted at

Feb 2, 2026, 12:16 PM

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Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm · $3,500

For sale is my beloved Omega Planet Ocean 45.5mm watch, featuring a sapphire and ceramic bezel with a depth rating of 600 meters, powered by an in-house Caliber 2500 movement.

Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
Case size: 45.5mm
Water resistance: 600m
Bracelet material: steel

Posted at

Feb 2, 2026, 2:39 AM

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Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,599 Shipped

Omega - 215.32.46.51.99.001 · $4,599

A bold, modern professional dive chronograph featuring a 45.5mm stainless steel case, unidirectional red ceramic bezel, sapphire crystal, screw-down crown and pushers, and 600m / 2000ft water resistance.

Condition: Great overall
Case Size: 45.5mm diameter
Depth Rating: 2000ft water resistance

Posted at

Feb 1, 2026, 9:24 PM

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