A rare late 19th Century English keyless fusee chronometer in a gold open face case. Gilt half plate keyless movement with fusee and chain. Harrison's maintaining power. Engraved cock with diamond endstone. Heavy compensation balance with freesprung helical blue steel hairspring. Earnshaw spring detent chronometer escapement, escape pivots with endstones. Signed white enamel dial with subsidiary seconds, Roman numerals, blue steel hands. Substantial 18 carat open face case, the back with a monogram in translucent dark blue enamel. Plain gold cuvette, button in the band depressed when winding the watch, maker's mark “JW” in a rectangle and number corresponding to that on the movement.