Open face 18k yellow gold pocket watch, Switzerland around 1890, gold case with gold- cuvette & a-goutte closure, enamel dial hairlines with Roman numerals, blued steel hands, nickel plated lever movement defect with wolf's tooth winding & screw balance, blued Breguet-hairspring, diameter approx. 48 mm, weight approx. 91 g, balance shaft broken, condition 3-4