AW591

Case / bezel material: Resin / AluminumResin BandNeobriteShock ResistantMineral Glass200-meter water resistanceLED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowWorld time 29 time zones (27 cities + coordinated greenwich mean time), daylight saving on/off1/100-second stopwatch Measuring capacity: 59'59.99" 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: ±15 seconds per monthApprox. battery life: 3 years on CR1220