Brand : CasioModel No : W-216H-1BVDFSeries : StandardGender : unisexGaransi produk : 1Case diameter : 43.8 mmCase thickness : 11.3 mmWater resistant : 50 Meters/5 ATM/5 BARCase material : Plastic/ResinCase back : Screw case backGlass material : Resin Glass/Spherical GlassStrap material : Rubber/Silicon/Resin/KaretCalendar : Day Date and MonthLuminious / LumiBrite : YesMovement :BatteryFeatures :Stopwatch,Timekeeping,AlarmsAccuracy : +-30 seconds per monthCalendar :Automatic calendar (February with 28 days)Approx Battery Life :7 years with CR2016Weight after packing :approx. 500gWhat's Inside Box :1x Casio W-216H-1BVDF - Digital - Resin Band , 1x Official Casio Warranty Card , 1x Manual Book , 1x Casio Box