World time: 31 time zones, 48 cities plus coordinated universal time, daylight saving on/off, Home city/World time city swapping; 1/100-second stopwatch; countdown timer; 5 daily alarms; hourly time signal; double LED light; full auto LED light; Super Illuminator; selectable illumination duration of 1.5 seconds or 3 seconds; afterglow; full auto-calendar to 2099; button operation tone on/off; Power Saving; battery level indicator; 12/24-hour format; hand shift feature; regular timekeeping with analog hour and minute hands and digital hour, minute, second, PM, month, date, and day display