Shock resistance; 20 bar water resistance; LED backlight (Super Illuminator); auto light switch; selectable illumination duration; afterglow; world time; Multi Time for 4 different cities; world time covering 31 time zones and 48 cities plus coordinated universal time; daylight saving on/off; home city/world time city swapping; 1/100-second stopwatch; stopwatch elapsed time, split time, and 1st–2nd place times; countdown timer; 5 alarms, daily or one-time; hourly time signal; full auto-calendar to 2099; button operation tone on/off; 12/24-hour format; regular timekeeping for hour, minute, second, PM, month, date, and day