Rolex Daytona Prohunter Black Dial 7750 Movement Mens Watch - Rolex Daytona Prohunter Black Dial 7750 MovementMens WatchMovement: Automatic chronograph Asia 7750 (28,800bph)Case Diameter: 39mmCase Thickness: 14.5mmCase: Solid Stainless Steel 316L Dial Style: Black dial, three Red subdials with Roman markersBezel: Red techymeter on black PVD bezelCrystal : Sapphire Crystal with good scratch resistant Functions: Hours, Minutes, Seconds;Chronograph Function