Features:Two Tone Stainless Steel caseTwo Tone Stainless Steel BraceletQuartz MovementSapphire CrystalBlack DialAnalog DisplayChronograph Function1-Second StopwatchRegular TimekeepingAccuracy: ±20 Seconds Per MonthLuminous Hands And MarkersDate DisplaySolid Case BackDeployment Clasp100m Water ResistanceApproximate Case Diameter: 44.7mmApproximate Case Thickness: 9.1mmApproximate Lug Width: 20mm