Polar Grit X Watch GPS 47mm Black

Outdoor multisport watch with strap DLC-coating Vibration alerts, compatible with cadence sensors, inactivity alarm, backlight, replaceable strap Strap size: M/L Display: 240 x 240 pixel, colour display, round Connections: GPS, GLONASS, Galileo, QZSS, Bluetooth Smart, USB Integrated heart rate monitor, chest strap required (not included) Measuring functions: Time, cadence, temperature, stopwatch, swimming metrics, step counter, sleep monitoring, oxygen levels, lap counter, calorie counter, altitude, heart rate, speed, distance, countdown, barometer Other functions: Weather forecast, alarm, GPS, calendar, date, message alerts (iOS/Android), call alerts (iOS/Android), 12/24 hour clock Meets MIL-STD-810G standards (tested for resistance to temperature, impact and moisture) Strap material: Silicone Operating temperature: from -20 °C to +50 °C Please note: Some features only work with the optional cadence sensor