PATEK PHILIPPE CHRONOGRAPH Reference: 5070J - 001. Serial number: 3146857 / 4139863. Case in 18k yellow gold. Black dial with two counters (seconds and minute totaliser), Arabic numeral hour-markers, graduated tachometric scale. Hand-wound mechanical movement (CH 27-70 calibre). Sapphire back revealing the movement. Leather strap with signed folding clasp. Sapphire crystal. Circa 2001. Diameter: 42 mm Gross weight: 115.8 g. The watch comes with its case and papers. A very fine 18k gold, mechanical movement wristwatch with chronograph, by Patek Philippe. Circa 2001.