Features:Made In JapanStainless Steel CaseStainless Steel BraceletAutomatic MovementCaliber: F6R4222 JewelsSapphire CrystalBlue Open Heart DialAnalog DisplayPower ReserveLuminous Hands And MarkersScrew Down CrownSee Through Case BackDeployment Clasp100M Water ResistanceApproximate Case Diameter: 39mmApproximate Case Thickness: 12mm