A late 18th Century Swiss verge in a gold and enamel consular case. Full plate gilt fusee movement. Finely pierced and engraved bridge cock with steel coqueret, plain three arm gilt balance with blue steel spiral hairspring. Silver regulator dial with blue steel indicator. Winding through the white enamel dial, Roman and Arabic numerals, decorative pierced gold hands. Three colour gold consular case, the back with a polychrome circular enamel bordered by a row of enamel faux split pearls. Central oval portrait of Voltaire in profile within a gilt frame surrounded by foliage and musical motifs. The front bezel opened by depressing a button in the gold pendant.