Features:Stainless Steel CaseStainless Steel BraceletAutomatic MovementCaliber: 6R5J24 JewelsDual Curved Sapphire CrystalBlack DialAnalog DisplayOpen Heart DialManual WindingPower Reserve Upto 72 Hours 12/24 Hours DisplaySee Through Case BackDeployment Clasp100M Water ResistanceApproximate Case Diameter: 40.20 mmApproximate Case Thickness: 13.00 mmApproximate Lug Width: 20.00 mm