Rolex Cellini Time 18K EveRose Gold Black Dial Mens Watch 50505 Box Card. Automatic self-winding movement. Officially certified Swiss chronometer (COSC). Paramagnetic blue Parachrom hairspring. Bidirectional self-winding via Perpetual rotor. 18K rose gold round case 39 mm in diameter. Rolex logo on a crown. 18K rose gold doubled domed and fluted bezel. Scratch resistant sapphire crystal. Black dial with raised polished rose gold baton hour markers. Fine printed minute/seconds track. Centre hour, minute and seconds rose gold hands. Black leather strap with 18K rose gold tang buckle.