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A titanium dive watch designed by a U.S. Navy diver

A Navy Diver's Ultimate Tool: The Jacques Bianchi JB300 Profonde

By Triston Brewer Published November 1, 2025

The JB300 Profonde x Deepsea.edc — Jacques Bianchi

In an exceptional display merging French horological lineage and real-world military expertise, Jacques Bianchi has debuted the JB300 Profonde x Deepsea.edc. This collaborative luxury watch, reimagined for today’s explorer, is a purpose-built instrument that translates generations of diving experience into a sleek and rugged tool watch.

The timepiece features a gorgeous case crafted from stonewashed titanium

The JB300 Profonde cements its unique identity with a 41.5mm case machined from lightweight, corrosion-resistant grade-5 titanium, finished with a durable stonewashed aesthetic. Its distinctive case profile, with subtle curves and short lugs, guarantees a commanding yet comfortable presence on the wrist. The matte black dial ensures optimal legibility, while a clever use of blue and green Super-LumiNova permits a diver to instantly distinguish the critical minute hand and 12 o’clock marker. A signature touch of yellow displayed on the dial pays homage to the iconic Kirby Morgan diving helmets used by professionals.

A design driven by professional diving needs

Every element of this watch is informed by the expertise of Brock Stevens, the U.S. Navy diver behind Deepsea.edc. One notable feature is the left-side ‘destro’ crown placement, a design that prevents it from digging into the back of a diver’s hand during arduous operations. Powering this robust tool is the dependable Swiss Soprod P024 automatic movement, a modern successor to the ETA 2824 that powered the original 1990s military-issue JB300 models.

This collaboration results in a truly authentic professional instrument

The Jacques Bianchi JB300 Profonde x Deepsea.edc transcends mere aesthetics, successfully bridging the gap between an iconic French watchmaker and the demands of contemporary naval exploration. The end result is a timepiece of unparalleled horological brilliance and uncompromising utility for the serious adventurer.

Triston Brewer is a journalist, creative director, stylist, fashionisto, and jetsetting digital bon vivant. Brace yourself!

Topics

Watches

Fashion & Style

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The Mission to the Moon 1969 packs 11 grams of real 18K gold — priced at the 1969 gold rate.

Wristwatch, Arm, Body Part

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Fashion & Style

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Car, Watch, Man

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Fashion & Style

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It was the 1960s. We were in the middle of a Cold War with Russia, and instead of escalating to an actual war with bullets and bombs, we took the conflict to the sky. We created a war of economics, science, and morale in a race to the sky to be the first nation to reach the moon. While the race picked up throughout the decade, it came down to the wire before the USA won the race by landing on the moon (if you believe that sort of thing and don't believe Stanley Kubrick directed the greatest ruse of all time). In any case, no race can be run without a good timekeeper. And watches were a must-have for all involved. Ever since, chronophiles like me have been obsessed with space-themed watches and, in particular, moon mission watches.

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