Features:Stainless Steel CaseLeather StrapQuartz MovementSapphire CrystalBlack DialAnalog DisplayTachymeter ScaleChronograph FunctionLuminous Hands And MarkersDate DisplayPull/Push CrownScrewed Case BackBuckle Clasp50m Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 13.5mmApproximate Lug Width: 20mm