The Original Skinny Women's Medium SWWM01 "Negative Ion" Sport Watch with Purple Band Lightweight sport watch with rectangular dial and skinny silicone band quartz movement with digital display The naturally occurring mineral tourmaline is said to help with better sleep, less stress, clearer focus, and better concentration Features protective plastic crystal dial window, bangle closure and hypo-allergenic design Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion