Open face pocket watch with complete calendar and moon phase, Switzerland for Russin market around 1890, gun metal case, snap on bezel, enamel dial hairlines with Roman numerals, sub-dials for constant second, moon phase, date as well as month & day in Cyrillic, hands partial replaced, gold plated lever movement under glass-cuvette, 15 jewels, diameter approx. 51,5 mm, needs to be overhauled, condition 3