Features:Case/Bezel Material: ResinStainless Steel BraceletQuartz MovementMineral CrystalDigital DisplayChronograph FunctionLED Backlight1/100-Second Stopwatch12/24 Hours DisplayDaily AlarmHourly Time SignalAuto CalendarAccuracy: ±30 Seconds Per MonthDay And Date DisplayScrewed Case BackPush Button Deployment ClaspSplash ResistanceApproximate Size Of Case: 37.4 à 35.5 à 6mm