Get the best possible resistance in a watch with the Casio G-Shock GA-100-1A1 wristwatch for men. Packing an anti-magnetic structure, it is water-resistant down to 200 meters and has an auto LED light with afterglow that allows you to read the display easily, no matter the time of day. The 1/1000 second stopwatch has multiple measuring modes that include lap time, elapsed time, and split time. The full-auto calendar of this watch is pre-programmed until the year 2099. The 29 time zones and world time swapping function make this watch the ideal travel companion.