A gold, enamel and seed pearl set shell form verge pendant watch, Chevalier, Cochet, No.5771, circa 1810, scallop form case enamelled over an engine turned case, the edges set with seed pearls, opening to reveal the circular white enamel dial with Arabic numerals, eccentric winding hole, signed and numbered gilt fusee movement, 30mm, extensively re-enamelled, two pearls deficient.