Features:Stainless Steel CaseNylon StrapQuartz MovementCaliber: MIYOTA OS10Sapphire CrystalBlue DialAnalog DisplayChronograph FunctionTachymeter ScaleLuminous Hands And MarkersDate DisplayScrew Down CrownEngraved Case BackBuckle Clasp200M Water ResistanceApproximate Case Diameter: 45mmApproximate Case Thickness: 12mmApproximate Lug Width: 22mm