GENTLEMEN'S PATEK PHILIPPE CALATRAVA 18K YELLOW GOLD, REF. 3520/D, CIRCA 1997, MANUALLY WOUND WRISTWATCH, circular white dial with thin straight baton hour and minute hand, roman numerals on outer edge of dial with a minute track behind, Patek Philippe Geneve on dial at 12 o'clock, polished 32mm 18k yellow gold case with double row coin edge fancy bezel, iconic straight lugs, 18k yellow gold Patek Philippe signed crown, 18k yellow gold screwdown caseback housing the manually wound Patek Philippe caliber 177, the watch is paired on a black leather strap and comes with original Patek 18k yellow gold buckle, watch reference 3520/D, circa 1997, watch is currently working.