Rolex Daytona Black Dial 7750 Movement Chrono Mens Watch - Rolex Daytona Black Dial 7750 Movement Chronograph Mens WatchMovement: Asia Valjoux 7750 Working Automatic Chronograph MovementCase Diameter: 40mmCase Thickness: 15mmCase: Solid Stainless Steel 316L Dial Style: Black dial with number hour markersBezel: Tachmeter on polished steel BezelCrystal : Sapphire Crystal Functions: Hours, Minutes, Seconds;Chronograph Function Strap/Band: Black leather strap with