English Silver Dial Fusee Lever Pocket Watch

A 19^th Century English fusee lever with silver dial in a silver open face case.  Full plate gilt keywind fusee movement with  Harrison's maintaining power.  Plain cock with diamond endstone, blue steel Bosley regulator, plain three arm steel balance with blue steel spiral hairspring. English table roller lever escapement.   Silver dial with engine turned centre and applied two colour gold decoration at the edge.  Applied gold Roman numerals, subsidiary seconds,, blue steel hands.  Faded engine turned silver open face case with ribbed middle, maker's mark "ILS & Co".