We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

NShi

NShi 1.39" Tactical Smart Watch Silver IP68 21 Modes

SKU CH-4TX8-AXR0R

Rugged 1.39" tactical smartwatch with Bluetooth calling, 21 sport modes, and IP68-rated health tracking for heart rate, blood pressure, and sleep

  • ColorSilver
  • 39" HD round screen stays bright outdoors with five adjustable levels
  • Bluetooth calling lets you answer or reject calls directly from the wrist
  • Continuous heart-rate, blood-oxygen and blood-pressure tracking keeps health data visible
  • 21 sport modes record specific workout metrics for varied training
  • IP68 rating protects against dust and water during rugged use

Tactical Smart Watch for Men

This 1.39" round smartwatch is designed for men who want a rugged tactical style with daily health tracking. It connects via Bluetooth to iOS and Android phones for call handling and message alerts on the wrist. The IP68 rating protects the device against dust and water ingress during outdoor activities or workouts.

Replaces a basic fitness band

Users moving up from a simple step counter gain Bluetooth calling, blood pressure monitoring and blood oxygen tracking in one device. The jump is worth it when you need to answer calls without reaching for your phone and want continuous health metrics throughout the day. Twenty-one sport modes cover a wider range of activities than entry-level trackers.

Sustained daily monitoring

The watch tracks heart rate, blood oxygen and blood pressure continuously rather than only during short checks. Sleep monitoring runs overnight to build a longer-term picture of rest quality. Adjustable screen brightness across five levels keeps the display readable in bright sunlight without draining the battery during extended wear.

Highlights

  • 39" HD round screen stays bright outdoors with five adjustable levels
  • Bluetooth calling lets you answer or reject calls directly from the wrist
  • Continuous heart-rate, blood-oxygen and blood-pressure tracking keeps health data visible
  • 21 sport modes record specific workout metrics for varied training
  • IP68 rating protects against dust and water during rugged use

Specifications

ColorSilver

Questions about this item

What wrist circumference does the 1.39" round case and band accommodate?

The 1.39" round case fits most adult wrists; the adjustable band secures the watch for daily wear and the 21 sport modes.

Which step in the Bluetooth pairing process do users often skip, preventing call and message alerts?

After pairing in phone settings, you must also enable notification access inside the companion app or call and message push will stay silent.

How often should the heart-rate, blood-oxygen and blood-pressure sensors be cleaned to maintain accuracy?

Wipe the optical sensor cluster on the case back with a soft, dry cloth weekly, or after sweaty workouts, to keep readings reliable.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.