With this non-stop, self-adjusting Casio Waveceptor timepiece, you don't have to worry about replacing batteries because it's solar powered and you'll have confidence of always knowing the correct time via the integrated atomic timekeeping technology. This stylish watch is suitable for both professional and casual wear, and it's complemented by a contemporary black resin strap. It includes a stopwatch function that can measure events down to 1/100 of a second for the first 60 minutes (and down to 1 second from 60 minutes to 100 hours), and it offers elapsed and split time modes, and 1st-2nd place times.