The new green CA53WF-3B Casio Calculator Watch feature a simple and stylish design that will suit any outfit. It contains a compact eight-digit calculator for your daily calculating needs. This watch beeps every hour on the hour, to help you keep track of time. This eight-digit calculator watch has a stopwatch that includes three measuring modes such as elapsed time, split time, first and second-place times. You can even set a daily alarm using this Casio watch.