A fine and rare Art Deco silver gilt and white enamel sub miniature carriage or boudoir clock with alarm. The enamel on all five sides. The fine white enamel dial with arabic numerals and minute marked with gold dots, and extra hand for setting the alarm. The 8 day platform escapement movement with alarm, the alarm is a very rare feature on these tiny clocks. The interior of the case also gilded, the back door marked 91919, the back of the movement also with same number. 5.1cm high not including handle by 3.8cm wide and 2.3cm deep. Swiss circa 1920