Fitness watch, Digital quartz movement, Heart rate monitor displays heart rate as BPM and as percentage of maximum heart rate, Also displays max calories burned during workout, minimum, average, maximum HR of total exercise, Preset HR zone/manual set hi/lo HR zone, Negative (light-on-dark) numbers, 1/100-second digital chronograph, Countdown timer, Alarm mode, EL backlight, Digital day-date-month-and-year display, Digital black dial, Black polyurethane strap with oversized brushed black stainless steel buckle, Blue resin square case, Blue resin selector buttons, Stainless steel screw-in caseback, 50 meters/165 feet water resistant *Included: black wireless ECG sensor belt with Puma logo