1993 pre-owned Grand Complications Perpetual Calendar Chronograph 36mm from PATEK PHILIPPE featuring black, platinum, round face, baton hands, perpetual calendar, screw-down crown, alligator leather strap, pin-buckle fastening, manual-winding movement, water resistance up to 30m/3 ATM, circa 1993, 36mm and diamond dial. Original box, papers and WatchBox certificate.. This watch has been evaluated and authenticated by a WatchBox in-house Swiss-trained watchmaker.. This item comes with a standard two-year warranty from WatchBox.. Unfortunately, we are unable to ship this item outside of the EU & UK..