Automatic mechanical movement, perpetual calendar function (including moon phase and day of week), date display, month indicator, includes leap year calculation, blue dial with luminous markers and hands, silver-tone stainless steel case shaped octagon, skeleton transparent exhibition case back, sapphire crystal glass resistant to scratches, fixed bezel in silver-tone stainless steel mesh pattern, 8 screw-in lugs, automatic winding mechanism based on Calibre 5134 model Audemars Piguet movement, power reserve of about 40 hours, scratch-resistant sapphire crystal display surface, screw-down crown for enhanced water resistance, deployment clasp with push button release.
