Gold and Enamel Watch and Key

An early 19^th Century English lever in a gold and enamel consular case with matching key.  Gilt half plate keywind movement with fusee and chain.  Plain cock with polished steel regulator, diamond endstone, plain three arm steel balance with blue steel spiral hairspring.  English table roller lever escapement.  Winding through the white enamel dial, Arabic numerals, gold arrow hands.   Gold consular case, the bezels covered in dark translucent blue enamel with gilt decoration.  Gold and enamel back of light blue enamel, circular yellow centre, gilt decoration.  The sprung front bezel opened by depressing a button in the gold pendant.  Matching gold and light blue enamel octagonal key.