With a lightweight and ergonomic design, the Ironman Sleek 50 Full-Sized Watch can handle as much as you can, from long workouts to underwater adventures. Track your workouts and best times using the chronograph settings and interval training timers, which can be viewed on the large digital display. Watch Features Chronograph training log stores workouts by date Strap & Case Material: Resin Case Width: 42mm Water Resistant: up to 100m (328’) 3 customizable alarms: daily, weekday, weekend, weekly option 50-lap memory INDIGLO night-light