A short story from the first breath in 1977 to the new Calatrava Ref. 600640 years Patek Philippe caliber 240
At Baselworld forty years (or 7.6 billion semi-oscillations at a frequency of 3 hertz) ago, a movement started ticking that would go on to write history: the Patek Philippe caliber 240. It advanced the slender gold hour and minute hands of a Golden Ellipse men's wristwatch which redefined elegance by virtue of its unique shape in a decidedly svelte format.