An unusual late 18th Century German cylinder with day, date calendar in a silver consular case. Skeletonised engraved full plate gilt keywind movement, visible blue steel mainspring in a resting barrel. Large plain triangular cock engraved at the edges, garnet endstone in a polished steel setting. Large plain six arm slow beat gilt balance with blue steel spiral hairspring. Long blue steel regulator. Polished steel cylinder, large brass escape wheel. Winding though the white enamel dial with centre seconds, the hand beating half seconds. Subsidiary for time with Roman numerals and two further subsidiaries for day and date. Polychrome floral decoration between the subsidiaries, gold hands. Plain silver consular case, silver pendant and bow.