It gives you cutting-edge technology combined with a modern design. This watch delivers long-lasting, accurate timing, powered directly by the sun—no need for a battery, ever! Its unique, self-charging solar power system drives all the watch functions from start to finish. The watch can be used as an everyday, casual time piece as well as for working out. The watch includes several handy functions, including a 1/100th stopwatch with 120-lap memory and a countdown timer.