ProTek USMC Carbon Dive PT4101SF

A rugged, lightweight 300-meter dive watch with carbon-composite construction, long-lasting luminosity and military-inspired design.

By Scuba Diving Partner | Published On April 7, 2026

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Black dive watch with a carbon-composite case, bold luminous markers, and a rubber strap, designed for underwater use.

A rugged, lightweight dive watch built for durability, precision, and high-visibility performance underwater.

Courtesy of ProTek

The ProTek USMC Carbon Dive PT4101SF is part of the Semper Fidelis collection, created to honor the 250th birthday of the United States Marine Corps. Built for durability and performance, this 300-meter-rated dive watch features a 45 mm carbon-composite case that delivers strength without added weight.

Powered by a reliable Japanese quartz movement, the watch is designed for precision and ease of use. Its dial is protected by an anti-reflective sapphire crystal, while self-powered luminous hands and markers provide continuous illumination for up to 25 years, ensuring excellent visibility in all conditions.

Additional design details include a caseback embossed with the USMC’s eagle, globe and anchor emblem, along with a durable rubber strap for comfort and secure wear during dives and daily use.

Why We Love It

Extreme durability, lightweight comfort and outstanding long-lasting visibility.

Pricing:

$595

Learn more at protekwatch.com