Features:Stainless Steel CaseRubber StrapQuartz MovementCaliber: ISA 8171/201Black Sunray DialAnalog DisplayChronograph FunctionTachymeterLuminous HandsDate DisplayScrew Down CrownSolid Case BackBuckle Clasp100M Water ResistanceApproximate Case Diameter: 46mmApproximate Case Thickness: 11.55mm