Features:Stainless Steel CaseSilicone/Rubber StrapQuartz MovementCaliber: JS50-00CMineral CrystalBlack/Dark Blue Sunray DialAnalog DisplayChronograph FunctionScrew Down CrownSolid Case BackBuckle Clasp100M Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 12.2mm