Features:Stainless Steel CaseStainless Steel BraceletQuartz MovementMineral CrystalBlack DialAnalog DisplayChronograph Function1/10 Second StopwatchApprox. Battery Life: 2 Years On SR920SWRegular TimekeepingLuminous Hands And MarkersDate DisplayScrewed Case BackDeployment Clasp100m Water ResistanceApproximate Case Diameter: 43.3mmApproximate Case Thickness: 10.8mm