PATEK PHILIPPE 18k yellow gold open face pocket watch, Switzerland around 1908, smooth case, enamel dial with Arabic numerals, red minutes, Louis-hands, gold-cuvette signed 'W. LENNARTZ MICHELS, AACHEN - K?NIGL HOF UHRMACHER', gold-plated bar construction movement with wolf's tooth winding, compensation balance with blued Breguet balance-spring, moustache-lever, escape wheel under end stone, precision adjustment, diameter approx. 48 mm, condition 2