Case / bezel material: ResinResin BandShock ResistantMineral Glass200-meter water resistanceLED light (Super Illuminator)Selectable illumination duration (1.5 seconds or 3 seconds), afterglowHand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)World time31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, One-touch UTC Time Zone Access1/100-second stopwatchMeasuring capacity: 23:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesOthers: target time alarm, direct timing start from the timekeeping modeCountdown timerMeasuring unit: 1/10 secondCountdown range: 60 minutesCountdown start time setting range: 1 to 60 minutes (1-minute increments)5 daily alarms (with 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping:Analog: 2 hands (hour, minute (hand moves every 20 seconds))Digital: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery life: 7 years on CR2016