The Nike Triax Speed 300 watch features a 300 lap chronograph and a co-molded polyurethane strap. Convertible display, data mode. Five segment interval timer. Mineral glass crystal. One-touch backlighting. S-shape design curves around wrist. Solid, hardened aluminum case. Battery hatch on back plate. Stainless steel buckle and back plate. Time, date, two alarms, two time zones, target time. 100m water resistance.