Moonphase calendar pocket watch - Swiss ca. 1900

gilt metal case, gilt dial with Roman and Arabic numerals and gilt hands; subsidary dials for day of the month, month of the year, day of the week and phases of the moon. The watch is stem wound / pin set.
Case diameter 7.9 cm.
Item condition grading: **** good.
Although it seems in working order, it could need a minor overhauling and/or control before use.