Features:Stainless Steel CasePolyurethane StrapEco-Drive MovementCaliber: B612Mineral CrystalWhite DialAnalog DisplayChronograph FunctionInsufficient Charge Warning FunctionOvercharge Prevention Function12/24 Hours DisplayLuminous Hands And MarkersDate DisplayUni Directional Rotating BezelScrew Down CrownScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 44.5mmApproximate Case Thickness: 13.8mmApproximate Lug Width : 22mm