Patek Philippe Calatrava 3513/1

Patek Phillippe & Co. Wristwatch

circa 1967; reference #3513/1; case #2657682; movement #1138515; 31mm; 18 jewel cal.175 movement adjusted to heat, cold, isochronism and 5 positions; matte gold dial; in an 18k yellow gold case with an integral 18k yellow gold mesh strap length 7.75 in — 19.7 cm 71.0 grams working; with a Tourneau box and certificate