Features:Resin CaseResin StrapMineral CrystalQuartz MovementDigital DisplayLED backlight1/100 Second StopwatchAlarmHourly Time Signal12/24 Hour DisplayScrewed Case BackBuckle Clasp50m Water ResistantApproximate Case Diameter: 47mmApproximate Case Thickness: 14mmApproximate Lug Weidth : 19mm