Case / bezel material: Stainless steel / AluminumOne-touch 3-fold ClaspStainless Steel BandMineral Glass100-meter water resistanceLED light AfterglowDual timeMoon data (moon age of the input data, moon phase graph)Tide graph (tide level for specific date and time)1/100-second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Others: Auto-repeat, time up alarmMulti-function alarms 3 independent multi-function alarms (2 one-time alarms and 1 snooze/one-time alarm) Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarmHourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping Analog: 2 hands (hour, minute; hands move every 20 seconds) Digital: Hour, minute, second, am/pm, month, date, day, daylight saving on/offAccuracy: ±30 seconds per monthApprox. battery life: 10 years on CR2025