Audemars Piguet 26331st.oo.1220st.02 Royal Oak Chronograph 41mm Mens Watch. Brushed finished stainless steel case & bracelet with polished beveled corners. Brushed finished hexagon design stainless steel bezel, secured with 8 polished hex-head screws. Polished polished beveled corners. Date window located between the 4 & 5 o'clock position. Continuous running small seconds sub-dial located at the 6 o'clock position. AP Caliber 2385, beats at 21,600 (3 Hz) vph, composed out of 304 parts, contains 37 Jewels & has an approximate power reserve of 40 hours.