1974 Patek Philippe Stainless Steel Calatrava Tonneau Blue Dial 3574 with extract from the archivesAn extremely rare and highly collectible with an incredible 70s look stainless steel Patek Philippe "Calatrava" Tonneau reference 3574 mid size 35mm with an outstanding no lume Less is More sunburst blue dial with crafted indexes and matching hands. The Patek Philippe Calatrava reference 3574, produced in the 1970s, is a rare and distinctive take on the brands timeless dress watch aesthetic. Unlike the traditional round Calatrava case, this reference