Automatic LED light. Simply rotate the wrist slightly so that the watch's screen illuminates with an LED. Shock resistant The housing is shock resistant and protects against impacts and vibrations. Anti-magnetic The box is constructed in such a way that the mechanism of the watch is protected from magnetic fields. Universal time function The World Time function shows the current time in up to 29 different time zones. Stopwatch (1/1000 -100 Hr) Time traveled, fractioned time and final time with an accuracy of one thousandth of a second. The upper limit of the stopwatch is 100 hours. Timers - 1/1 minute - 24 hours (with automatic repetition) For all those who demand precision: the countdown timers are very useful when remembering special or periodic events, since they emit an acoustic signal at the programmed moment.