Features:Resin CaseResin StrapQuartz MovementResin CrystalBlack DialAnalog Display1/10-Second StopwatchChronograph FunctionLuminous HandsDate DisplayScrewed Case BackBuckle Clasp100M Water ResistanceApproximate Case Size (L Ã W Ã H): 52.3 Ã 50.9 Ã 14.3 mmApproximate Case Diameter: 50.90 mmApproximate Case Thickness: 14.30 mm