A gents Patek Philippe wristwatch, circa 1989, the round white enamel dial with black painted Roman numerals, having an eighteen jewel manual wind movement, signed case, dial and movement to an 18ct gold case and black leather bands with an 18ct gold buckle, reference 3520/D, movement 1/371/458, calibre 177, with original papers and box. Diameter 3.3 cm