Audemars Piguet 15500st.oo.1220st.03 Royal Oak Automatic 41mm Mens Watch. Brushed finished stainless steel case with polished beveled corners. Brushed & polished octagon shaped fixed bezel, secured by 8 polished hex-head screws. Black dial with the Grande Tapisserie design pattern. Polished white gold hands, the hour & minute hands with luminous fill. Applied polished white gold index hour markers with luminous fill. Fine printed minute.seconds track on the dial flange. Date window at 3 o'clock. Audemars Piguet in-house caliber 4302, beats at 28,800 vph (4Hz), contains 32 jewels & has an approximate power reserve of 70 hours.