Evoking images of a digital glitch that a computer screen may display, polarized ink print, multi-angle printing (MAP), and semi-transparent materials are used to create the striking square-cased DW5600NN. Polarized inks from blue-based green to purple produce a color shift effect, depending on the angle of the view. This distinctive effect results in a watch that is truly a unique and stylish item. Resin bezel, case, and band with mineral crystal glass Shock resistance. Electro-luminescent backlight and afterglow. 200-meter water-resistance Flashes with buzzer that sounds for alarms and hourly time signals. 1/100-second stopwatch Measuring modes: Elapsed time, split time, 1st-2nd place times. 12/24-hour format Approx 2 year battery life. Countdown timer Multi-function alarm. Case measures approx 1.93 x 1.69 x 0.53. For over 25 years Casio G-Shock digital watches have been the ultimate in fashionably tough watches providing durable, waterproof digital watches for your every activity.