Patek Philippe launched reference 5170 in 2010 to succeed the Lemania based movement, reference 5070. The 5170 features a reduced case size at 39 mm from the former 42mm. The was equipped with the brand’s first in-house manual-winding chronograph movement, the Cal. 29-535 PS - the collecting community was immediately enamored by the watch’s classical good looks and technical ingenuity.

Further adding to the current lot's desirability, a blue vignette diamond dial dual signed by Tiffany & Co. The present timepiece offers the discerning collector an opportunity to purchase a timeless chronograph with the signature of the American jewelry icon.