Antique silver and blue guilloche enamel miniature clock with silver bust. The beautiful electric blue guilloche enamel with vertical wavy line engine turning and broad horizontal lines. There are 15 separate porcelain panels and every one is in mint and perfect condition.. The clock has a silver and saphire button to the top for winding and setting. Very unusually there is an arch in the base of the clock in which is set a bust of a woman playing a mandolin. The clock is set on bun feet. The movement has ben changed at some point from rear winding to a top winding watch movement. The case is stamped sterling but is almost certainly Swiss. Circa 1910. 4 inches high by 2 inches wide by 1 inch deep ( 10 cm by 5 cm by 2.5 cm).