Seamaster Planet Ocean family · 10 references Omega

Seamaster Planet Ocean Chronograph

Name: Omega Seamaster Planet Ocean Chronograph
Brand: Omega
Availability: InStock

45.5mm Popular Model Wide Price Range

Low $4,176

Median $4,998

High $6,849

Search Seamaster Planet Ocean Chronograph Listings

The Omega Seamaster Planet Ocean Chronograph puts a stopwatch into an already substantial dive watch, and wears that extra machinery openly. Enthusiasts love its broad-arrow hands, bold bezel and unapologetic presence—but at 45.5mm, the way it sits on your wrist matters more than the diameter alone suggests.

The early 2218.50.00, powered by caliber 3313, has a traditional three-register dial. Move to the 232.30.46.51.01.001 and caliber 9300, and the layout becomes cleaner: elapsed hours and minutes share the counter at three, read together like a miniature clock. That arrangement is a good reason to favor the later generation, not merely a cosmetic change.

The subsequent 215.30.46.51.01.001 brings caliber 9900 and Master Chronometer certification, including stronger magnetic resistance. Whichever generation interests you, try its tall case under a cuff, and run the chronograph through a reset: every elapsed-time hand should return precisely to zero.

MovementAutomatic

Case Size45.5mm

Water Resistance600m

What owners love

The dial has real depth, and the strong antireflective treatment makes the crystal seem almost absent in good light. The broad hands and bright lume keep the time easy to read despite the chronograph layout.
On versions with 9300 or 9900, the combined hours-and-minutes counter at three o’clock is a genuinely useful detail: you read elapsed time much like a second clock rather than adding up separate registers.

Common Criticisms

The thickness is usually the bigger issue than the 45.5mm diameter: it sits tall, catches cuffs, and can feel top-heavy. Steel versions on the bracelet are substantial enough that even owners who love the watch sometimes find it tiring over a full day.

Seamaster Planet Ocean Chronograph

What owners love

Common Criticisms

Reviews & Videos

Right Now on eBay

Recent Forum Listings

Seamaster Planet Ocean References at a Similar Price

Other Omega Models