Swiss Rolex Oyster Perpetual Cosmograph Daytona Men's Watch 116528-BKSO - Swiss Rolex Oyster Perpetual Cosmograph Daytona Men's Watch 116528-BKSOMovement: High Grade Valjoux 7750 AutomaticCase Material: 18k Yellow Gold and Stainless Steel CaseCase Back: Solid back with Characteristic Rolex Green StickerCase Diameter: 40mmDial Style: Black Dial with Stick Hour Markers and 3 Sub-dials, Rolex Logo etched at 6 o'clock PositionBezel: 18K