Features:Resin CaseResin StrapQuartz MovementResin CrystalBlack DialDigital DisplayDual Time1/100-Second StopwatchCountdown Timer3 Multi-Function AlarmsHourly Time SignalLED LightAfterglowFull Auto-CalendarButton Operation Tone On/Off12/24 Hours DisplayMonth, Day And Date DisplayScrewed Case BackBuckle Clasp100M Water ResistanceApproximate Case Size (L Ã W Ã H): 47.2 Ã 44.5 Ã 13.4 mmApproximate Case Size: 44.50 mmApproximate Case Thickness: 13.40 mm