Rolex Daytona 7750 Black Dial Mens Watch - Rolex Daytona 7750 Black Dial Mens WatchMovement: New Asia 7750 Valjoux (28,800bph)Movement Case Diameter: 40mmCase Thickness: 14mmCase Weight: The same as Original Rolex Oyster Perpetual Cosmograph DaytonaCase: Solid 316L Stainless SteelDial Style: Black dial and silver ring sub-dialsBezel: Solid SS BezelCrystal : Sapphire Crystal with good scratch resistant Functions: Hours,