Timex Ironman 50 Lap Men's Digital Watch Black/Orange Ironman Triathlon 50 Lap Men's Ironman-ready features and a sleek, aerodynamic design. Features: - 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 - 50-lap/split time memory recall, 100-hr - 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-hr - countdown timer includes countdown stop and countdown repeat 3 programmable audible alarms with 5-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) - Timex Ironman Triathlon 50-Lap Sleek digital watch is water-resistant to 100m (330 ft.)