Brand : Casio Model No : WS-1100H-2AVDF Series : Casio Standard Gender : unisex Garansi produk : 1 Case diameter : 43 mm Case thickness : 13.3 mm Water resistant : 100 Meters/10 ATM/10 BAR Case material : Plastic/Resin Case back : Screw case back Glass material : Resin Glass/Spherical Glass Strap material : Rubber/Silicon/Resin/Karet Calendar : Perpetual Calendar Luminious / LumiBrite : No Movement :Quartz Movement Accuracy :+-30 seconds per month Approx battery life :5 years on CR1620 LED light :Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Stopwatch :1/1000-second stopwatch , Measuring capacity: , Measuring capacity: 23:59'59.99: , Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown 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) , Other: Auto-repeat Features :Dual time , Daylight saving on/off , 3 multi-function alarms (with 1 snooze alarm) , Hourly time signal , Full auto calendar (to year 2099) , 12/24 hour format , Button operation tone on/off , Tide Graph (tide level for specific date and time) , Mood Data (moon age of the specific date, moon phase graph) Regular timekeeping :Hour, minute, second, am/pm, month, date, day Weight :26g Weight after packing :approx. 500g What's Inside Box :1x Casio WS-1100H-2AVDF Tide Graph Digital Dial Purple Resin Strap , 1x Official Casio Warranty Card , 1x Manual Book , 1x Box Jam Tangan