Patek Philippe, Calatrava, ref. 4905G, a lady's 18 carat white gold wrist watch, circa 2000, manual wind movement, 18 jewels, cal. 16-250/107, white dial, Roman numerals, feuille hands, screw down display case back, stamped with 18 carat gold common control mark, on a non-original Hirsch black leather strap with a Patek Philippe 18 carat white gold pin buckle, case, dial, movement, crown and buckle signed, diameter 27mm Produced between 2000 and 2005 as the lady’s manual-wind equivalent of the gentleman’s ref. 5107, this model features a heavier case and crown guards giving it a sportier appearance than most Calatravas.