Rolex Oyster Daytona Cosmograph Silver Black Dial Mens Watch - Rolex Oyster Cosmograph Silver/Black Dial Mens WatchMovement: Asian7750 Automatic Chronograph MovementCase Diameter: 40mmCase Thickness: 14.5mmCase: 316L Solid stainless steel, screw in crown and case backDial Style: Silver dial and Black sub-dials, Arabic numeral markersBezel: Steel bezel with techymeterCrystal : Scratch-resistant sapphire crystalFunctions: Hours, Minutes, Seconds;Chronograph Function Strap/Band: 316L stainless steel