Features:Stainless Steel CaseLeather StrapQuartz MovementCaliber: JS50-00CMineral CrystalBlue Sunray DialAnalog DisplayChronograph FunctionLuminous HandsScrew Down CrownSolid Case BackBuckle Clasp100M Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 12.2mm