Features:Stainless Steel CasePolyurethane StrapAutomatic MovementCaliber: 4R3523 JewelsHardlex CrystalBlue DialAnalog DisplayPower ReserveLuminous Hands And MarkersDate DisplayUni Directional Rotating BezelScrew Down CrownScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 43mmApproximate Case Thickness: 13mmApproximate Lug Width: 20mm