Features:Stainless Steel CaseSilicone StrapQuartz MovementMineral CrystalBlack DialAnalog DisplayChronograph FunctionTachymeter Scale12/24 Hours DisplayDate DisplayLuminous Hands And MarkersScrew Down CrownScrewed Case BackBuckle Clasp100m Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 13mmApproximate Lug Width: 22mm