Pearl Set Gold and Enamel Verge

An early 19th Century small Swiss verge in a pearl set gold and enamel open face case.  Full plate gilt fusee movement.  Finely pierced and engraved bridge cock with steel endstone, plain three arm gilt balance with blue steel spiral hairspring.  Silver regulator dial with blue steel indicator.  Wound through the white enamel dial with and Arabic numerals, blue steel hands.  Fine gold open face case, the bezel and back set with two rows of split pearls.  The back covered in dark blue translucent enamel over an engine turned ground with gilt and green geometrical decoration.