Rare English silver and enamel apple shaped fob watch Circa 1780

Silver and enamel form fob watch
–
A rare English silver and enamel apple shaped fob watch, circa 1780. Full plate movement, chain and fusee, verge escapement, three arm brass balance. White enamel dial with Roman hours and Arabic five minute numerals. The case is made in the form of an apple overlaid with opaque enamel and with applied engraved silver mountings.
Movement signed.
Comes with the original velvet lined ray skin presentation box.
–
Dimensions: 40 x 40 mm
–
Weight: 78 g
–
Signed: Jean Graham London
–
Timepieces in this particular form were never produced in large numbers and those that have survived centuries are extremely rare, especially the watches that have enamelled cases.