Case / bezel material: Resin / AluminumResin BandShock ResistantMineral GlassNeobrite100-meter water resistanceLED light Selectable illumination duration (1.5 seconds or 3 seconds), afterglowWorld time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swappingHand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)1-second stopwatch Measuring capacity: 59'59 Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments)Daily alarmHourly 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: ±30 seconds per monthApprox. battery life: 2 years on SR726W × 2