Casio Youth Illuminator Tough Solar Lap Memory STL-S300H-4A STLS300H-4A Women's WatchCasio Youth Illuminator Tough Solar Lap Memory STL S300H 4A STLS300H 4A Women's Watch The Casio Youth Illuminator Tough Solar Lap Memory is a great companion for any kind of sports, inside or outside the gym; on the track or off the roads. It is a great companion especially for the avid runner, both on the tracks and the field. It has a 120 lap memory, a stopwatch that can track elapsed time up 100 hours and a countdown timer to help you better your