PATEK PHILIPPE & CIE rare 18k yellow gold pocket watch with chronograph & minute counter, Switzerland around 1915, heavy open case with à-goutte closure, locking for chrono- pusher at 11, 3-piece enamel dial with Arabic numerals in center with small cracks, 30- minutes-counter at 12, constant second at 6, fine blued original hands, nickel silver movement with fausses cotes decoration, beveled cadrature, compensation-balance with Breguet-hairspring, precision adjustment, needs to be overhauled, diameter approx. 51,5 mm, weight approx. 115g, condition 2