This midsize training watch has Ironman-ready features and a sleek, aerodynamic design. Unique design features an easy-to-use, push-button format. Training log stores workouts by date, including best lap, average lap and total segment time. Features 50-lap/split time memory recall, 100-hour chronograph with lap or split option and 99 interval repetition counter. Total Run chronograph format excludes rest periods for accurate times on long runs or bike rides. 24-hour countdown timer includes countdown stop and countdown repeat. Three programmable audible alarms with five-minute back-up alarm and on/off hourly chime. INDIGLO night-light illuminates the display for easy use at night. Linked timers for speed workouts and walk/run marathons walk 1 minute/run 8 minutes. Tough resin case and top ring are water-resistant down to 330 feet 100 meters. Polyurethane strap offers enhanced ventilation and flexibility for a seamless fit.