Casio LW-204 is an elegant modern design with much attention to detail. 50m water resistant, ok for swimming. A beautiful ladies watch, ideal holiday watch gift or special occasion gift. 50-meter water resistance, LED Backlight Afterglow, Flash alert; Flashes with buzzer that sounds for alarms, hourly time signal 1/100-second stopwatch, Countdown timer, Multi-function alarm, Hourly time signal Full auto-calendar (to year 2039), 12/24-hour format Approx. battery life: 3 years on CR2016 Any questions about the Casio LW-204-4A let me know in the comments.