Patek Philippe. A fine and rare 18K pink gold chronograph wristwatch Signed Patek Philippe, Genève, ref. 1579, movement no. 868'962, case no. 699'403, manufactured in 1960 Movement: cal. 13’’’, manual, 23 jewels, signed Dial: applied pink gold Arabic and baton numerals, tachymeter scale, signed Case: snap on back, last three digits of case number “403” engraved on the inside of the lower right lug and inside of the bezel, 36 mm. diam., signed With: later 18K gold Patek Philippe buckle, Extract from the Archives confirming production of the present watch in pink gold with raised gold hour markers and tachometer scale in 1960 and its subsequent sale on 17 March 1960