Original Product Garansi 1 Tahun Casio HS 70W specifications : Time Keeping Function 5 Year Battery Life ( Lima Tahun Umur Baterai ) Beeper On / Off 50-meter water resistance 1/1000-second stopwatch Measuring capacity: Total elapsed time display: ap time display: 5959.999 Split time display: Measuring modes: Elapsed time, lap time, split time, 1st-100th place time, lap counter (up to 99) Memory capacity: 2 sets of 100 records each Full auto-calendar (to Year 2099 ) 12/24 Hour Format Button Operation Tone On / Off Time Display Regular timekeeping: Hour, minutes, seconds, am/pm, year, month, date, day Accuracy (time): 30 seconds per month (stopwatch): 99.9988% Approx. 5 years on CR2032 (includes an average of 30 presses of button per day.) #stopwatchcasio #casio #pengukurwaktu #alatpengukurwaktu