| An unusual late 19th Century Swiss lever with double sided moonphase calendar in a gold open face case. High quality nickelled three quarter plate keyless movement. Going barrel with polished steel Geneva stop work visible under a bridge. Calendar transfer wheel above the plate. Plain cock with polished
steel regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement, escape and lever pivots with endstones. Fully restored white enamel dial with subsidiary seconds combined with the moonphase, Roman numerals, blue steel seconds hand, pierced gilt hands. The calendar under the back cover which is opened by depressing the crown. White enamel dial, large date chapter and subsidiaries for day and month in French. The month
instantaneously changes as the date moves to 1 by a flirt released by a cam. The calendar plate and glazed gold bezel hinged to the case, the plate cut away to mesh with the movement. Plain 18 carat rose gold open face case, rear cover with flyspring.
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