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Omega Seamaster Diver vs. Planet Ocean

December 15, 2019

BY Paul Altieri

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The Seamaster Diver and the Planet Ocean are two of Omega’s most popular dive watches. While relatively young models – the Diver is less than 30 years old and the Planet Ocean is less than 15 years old – both Seamaster Professional models have risen to the top of Omega’s must-have models. Which begs the question, what exactly is the difference between these two modern Omega divers? Join us as we take a closer look at the Omega Seamaster Diver vs. Planet Ocean to outline their similarities and differences.

Omega Seamaster Diver 300M vs. Planet Ocean

What’s the difference between the Omega Seamaster Diver 300M and the Planet Ocean?

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Design Differences

The Omega Seamaster Diver 300M made its debut in 1993 and became famous as James Bond’s watch in the 1995 movie, GoldenEye. Planet Ocean 600M followed over a decade later, joining the Omega catalog in 2005. When looking at the Diver and Planet Ocean side by side, right off the bat we see that the former is dressier in design while the latter sports a tool-watch aesthetic.

Omega Seamaster Diver 300M or Planet Ocean 600M

The Omega Seamaster Diver 300M is the more dressy of the two watches.

From the Diver’s scalloped bezel and curvy crown guards to its decorative five-link bracelet and skeletonized sword-shaped hands, this is unmistakably a luxury sports watch that also happens to be a very capable dive watch. On the other hand, the Planet Ocean, which takes its broad-arrow hands, smattering of Arabic numerals, thicker indexes, and knurled bezel from the original 1957 Seamaster 300, emphasizes its diving capabilities but also happens to be a luxury watch. Furthermore, the bracelet option of the Planet Ocean is a more straightforward three-link style and the case does not include protective shoulders around the winding crown.

As their names imply, the Diver is water-resistant to 300 meters while the Planet Ocean has a 600-meter depth rating. While both models offer a few different case sizes and are equipped with protruding helium escape valves, the case of the Planet Ocean is generally thicker in profile.

In standard Omega form, both the Diver 300M and the Planet Ocean 600M offer a variety of metal options, colors, and bracelet/band selections, resulting in a vast assortment of configurations. Additionally, along with the standard time/date versions, Omega also makes the Diver Chronograph, the Planet Ocean Chronograph, and the Planet Ocean GMT.

Omega Seamaster Diver 300M versus Planet Ocean

The Planet Ocean embraces a more sporty design.

New Updates

The Planet Ocean and the Diver 300 have both benefited from a bevy of updates in recent years. The revamping of the Planet Ocean collection occurred in 2016 while the Diver underwent its refresh in 2018.

A major design update to the PO lineup was the introduction of new case sizes. Rather than the previous 37.5mm, 42.5mm, and 45.5mm sizes, the standard Planet Ocean now comes in a choice of 39.5mm and 43.5mm. The Planet Ocean GMT has a 43.5mm case and the Planet Ocean Chronograph has a 45.5mm case. To match its ceramic bezel, the Planet Ocean now also has a ceramic dial.

Omega Seamaster Diver 300M vs Planet Ocean Comparison

Despite having a more dress-oriented design, the Diver 300M is a highly capable underwater watch.

Similarly, Omega modified the case size of the Diver 300 where it is now slightly larger at 42mm compared to the previous 41mm diameter (the new Diver 300M Chronograph models have 44mm cases). The Diver 300 now also houses a ceramic dial and welcomes the return of the famed wave pattern, which is laser engraved onto the surface.

Unsurprisingly, Omega has furnished the latest Planet Ocean and Diver 300 models with its new-generation METAS-certified Master Chronometer automatic movements with magnetic resistance ratings of 15,000 gauss. The Diver 300 runs on Caliber 8800 (single barrel, power reserve of 55 hours) while Planet Ocean is equipped with Caliber 8900 (twin-barrel, power reserve of 60 hours). Both models include transparent sapphire casebacks to permit a view of the movements inside the watches.

Omega Seamaster Diver 300M vs Planet Ocean Comparison

Both watches now feature Omega’s Co-Axial movements.

Omega Seamaster Diver or Planet Ocean?

Although both are superb Omega Seamaster models that share plenty of similarities, the Diver and the Planet Ocean offer a different take on the modern dive watch. In short, the Diver is dressier and more embellished than its younger and more robust sibling, the Planet Ocean.

Aside from water-resistance (300 meters is more than enough for the majority of watch wearers), they offer almost identical functionalities and high-grade materials, so picking one comes down to a matter of style preference. James Bond has worn both but which would you pick? Leave us your thoughts in the comments sections below.

Omega Seamaster Diver 300M vs Planet Ocean Guide

Which Omega Seamaster dive watch is right for you?

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