English sterling silver 1/5 centre seconds chronograph pocket watch - Chester 1878

Sterling silver case hallmarked Cherster 1878-79, white enamel dial with Roman numerals and a pair of black steel hands plus a centre chronograph hand. A slide activated and stops the movement. The watch is key wound and set.
Diameter 58 mm.
Item condition grading: **** good.
Although it seems in working order, it could need a minor overhauling and/or control before use.