Kospet Tank M4 Silver - Smartwatch

This is a watch built for swimming, snorkelling and deep diving. Certified to 10 ATM and IP69K, the KOSPET TANK M4 serves as a flexible waterproof smartwatch equipped with three dive modes to enhance your time beneath the surface.

Rugged aesthetics, reimagined

Endure the bitter cold of -50°C, resist the blazing heat of 70°C, and stand up to humidity, impacts and more: the KOSPET TANK M4 is a tactical smartwatch that has been tested by SGS, an independent European laboratory, against 20 US MIL-STD-810H standards, making it ready for your toughest expeditions. An integrated ambient light sensor keeps its 1.96" AMOLED display crisp from morning through to night.

A display with professional-grade clarity, whatever the hour

Generous 1.96" AMOLED screen delivering up to 1000 nits of peak brightness, 410 x 502 px resolution and a 60 Hz refresh rate.

Keep tabs on your movement

Chart and follow your own route, bring in GPX or KML route files through the Apexmove app, or download offline maps using your computer or tablet.

Technical Specs Hardware Processor ATS3089 Memory 16 MB SRAM + 32GB ROM Design Colour Silver Dimensions 50.5 × 42.5 × 13 mm Weight (net) 80 g (without strap) Body material Stainless steel Inox 360, SGS certified to MIL-STD-810H Lower case material Stainless steel Cover glass material Corning® Gorilla® Glass 3 Buttons 4 Water resistance 10 ATM and IP69K, 45m immersion Display Material AMOLED Size 1,96" Resolution 410 × 502 IPP 331 Battery Capacity 500 mAh Type Pure cobalt battery Charging method Magnetic charging base Charging time Approx. 2 hours Battery life 14-15 days Battery life with heavy use 9-10 days AOD mode life 5-6 days GPS training life 21-22 hours Sensors Heart rate sensor VC9213-4PD sensor (blood oxygen compatible) G-sensor 6-axis gyroscope sensor GPS positioning 6-band dual-band satellite positioning systems External Sensors Geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor Connection Bluetooth 5.3 Bluetooth Calling Yes Strap Strap material Liquid silicone Width 22 mm Wrist size range 150 mm-240 mm Removable strap Yes Sport features Sport Modes 23 ApexMotion sport modes and 160 freestyle training modes Smart Recognition 6 Sport Modes (Walking, Running, Cycling, Elliptical, Rowing, Parking) SWOLF Test Yes Health Features 24h Monitoring Heart Rate, Blood Oxygen, Stress Level, Mood Manual measurements Heart rate, blood oxygen, stress level, mood, one touch measurement (heart rate, blood oxygen, stress level, mood) Sleep tracking Sleep stages (including REM), naps, sleep schedule Health alerts Abnormally high and low heart rate, low blood oxygen level Additional features Menstrual cycle tracking, breathing exercises Compatibility System requirements Android 7.0 and above, iOS 14.0 and above Supported languages 37 languages:
English (default), German, Spanish, French, Italian, Portuguese, Russian, Dutch, Czech, Hebrew, Hungarian, Romanian, Finnish, Persian, Swedish, Danish, Greek, Polish, Ukrainian, Norwegian, Croatian, Serbian, Arabic, Turkish, Korean, Japanese, Malay, Filipino, Belarusian, Belarusian, Bengali, Indonesian, Thai, Vietnamese, Khmer, Urdu, Simplified Chinese, Traditional Chinese