Features:Stainless Steel CaseCalf Leather StrapAutomatic MovementCaliber: Miyota 82S721 JewelsMineral CrystalBlack DialAnalog DisplayPower ReserveChronograph FunctionLuminous Hands12/24 Hours DisplayScrewed Case BackBuckle Clasp30M Water ResistanceApproximate Case Diameter: 48mmApproximate Case Thickness: 15mm