Case / bezel material: ResinResin BandMineral GlassShock Resistant100-meter water resistanceNeon Illuminator (Blacklight LED) Selectable illumination duration, afterglowWorld time 29 time zones (27 cities + coordinated greenwich mean time), city code display, daylight saving on/off1/1-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) Others: Auto-repeat, progress beeper5 daily alarms (with 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2039)12/24-hour formatRegular 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