A series of rare Patek Philippe timepieces will allure watch connoisseurs for Antiquorum Auctioneers’ ‘Important Modern & Vintage Timepieces’ auction to be held on September 14 in New York City. Amongst them is the extremely rare Patek Philippe Split-Second Chronograph ref. 1436. It was made in 1960 and sold by Tiffany & Company the following year. It is an 18K yellow gold wristwatch with transitional dial, square button co-axial split-seconds chronograph and tachometer. The estimate for this piece is between $200,000 and $300,000. Another stunning piece that is sure to attract interest is the Patek Philippe Ref. 2499, originally from the collection of Professor Thomas Engel. It was made in 1976 and comes in 18K yellow gold with round button chronograph, perpetual calendar, and moon phases. This wristwatch is estimated to fetch between $300,000 and $500,000.