Shock resistant (G-SHOCK) Magnetic resistant LED light Auto light switch, selectable illumination duration, afterglow World time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping 1/1000-second stopwatch Measuring capacity: 99:59'59.999'' Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units / hour), Distance input (0.0 to 99.9) Mach indicator