1850s CHARLES E JACOT 18K STRAIGHT LINE LEVER JEWELLED RUBY SAPPHIRE POCKET WATCH. The original white enamel dial with black roman numbers and sub seconds at 6 with matching fine blue steel hands is in great condition. The straight line lever fully jewelled in ruby and sapphires movement is working well although not serviced us and may need a service to keep perfect time, fully signed with two steel cut keys. The solid 18k yellow gold 52mm double snap back hinged hunter case is in original unpolished condition. A rare and quality timepiece for future generations. 110.2 grams total weight.