Spovan Professional Sport Watch Dial Size: 50mm(diameter)*16 mm(thickness) Net weight: 75g Gross weight£º174g Unit package size£º107*90*82mm Watch case£ºABS Watch surface: Hardened Glass Watchbands£ºPU Watch button: Stainless steel. Time functions: hour,minute,second,year(2000-2099),month,date,weekday,12H/24H. Alarm clock. Countdown timer(59minutes 59seconds¡«0). Stopwatch(0~99hours 59minutes 59seconds99). Sunrise and sunset times(43 cities). Compass,altimeter,barometer,thermometer,air pressure trend. Air pressure trend chart(latest 48hours). 7days altitude,barometric record. Climbing altitude and sport time record. Rising time,falling time,altitude,climb rate record. Bearing tracking. Low Battery remind. EL backlight. 30M waterproof