Black Shark GS3 Ultra: Rugged Watch with 18-Day Battery

Black Shark unveils the GS3 Ultra — a military-grade rugged smartwatch with a 1.43-inch OLED, dual-band GPS, 160+ sports modes, environmental noise cancellation, and up to 18 days of battery life on a single charge.

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Black Shark GS3 Ultra: Rugged Watch with 18-Day Battery

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The Black Shark GS3 Ultra arrives as a head-turning rugged smartwatch aimed at adventurers and athletes who want military-grade durability without sacrificing modern features. It mixes a tough metal frame and mechanical-style controls with a bright OLED display and long battery life.

Built like a tank — but smart

Black Shark describes the GS3 Ultra as a reinforced metal-cased smartwatch with four tactile buttons that echo mechanical watch controls. The 1.43-inch OLED panel delivers a 466 x 466-pixel resolution, 1,000 nits of peak brightness and 16.7 million colors. The display supports 270 watch faces and is protected by 9H Gorilla Glass for extra scratch resistance.

Specs that matter for outdoor use

  • MIL-STD-810 and IP69K certifications for ruggedness
  • Water resistance down to 50 meters
  • More than 160 sports and activity modes, with automatic detection for walking, running, elliptical and rowing
  • Heart rate, stress, SpO2 and sleep monitoring
  • Dual-band GPS (L1+L5) with BeiDou, GLONASS, NavIC and Galileo support
  • Environmental noise cancellation for clearer calls

Those certifications and the 50-meter water rating place the GS3 Ultra firmly in the rugged smartwatch category. If you need a device that survives mud, dust, rain and swims, this is designed to be taken into the field.

Tracking, connectivity and battery life

Black Shark packed the GS3 Ultra with tracking tech: dual-band GPS and broad satellite-system compatibility improve positioning accuracy for hikers and runners, while automatic workout recognition reduces the fuss of starting activities manually. Health monitoring covers the usual bases — continuous heart-rate tracking, blood-oxygen (SpO2) measurement, stress assessment and sleep analysis.

Battery capacity isn’t specified, but Black Shark claims up to 18 days of typical usage on a single charge and up to 45 days in standby. That longevity, paired with rugged construction, makes the GS3 Ultra attractive for multi-day trips where charging access is limited.

What’s missing — and what we still want to know

Black Shark hasn’t revealed pricing or an exact release date yet. The brand also omitted the raw battery capacity number and some software details, such as third-party app support and deeper smartwatch OS features. Still, the hardware list is compelling for users who want a durable device with modern sensors and long battery life.

Imagine a watch that shrugs off a weekend of outdoor adventures and still keeps tracking your route and vitals — that’s the pitch here. For now, keep an eye out for Black Shark’s launch announcement to learn price and availability.

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