A.P. Walsh, London: An unusual early 20th century keyless openface two time-zone chronometer pocketwatch in engine turned case, the white enamel dial with Roman numerals, subsidiary dials for running seconds and up-and-down indication, gold hour and minute hands and second set of blued steel hour and minute hands adjusted manually, the signed frosted gilt fusee half plate movement jewelled to the centre with screwed chatons, the free-sprung bimetallic balance with blued steel helical spiral and diamond endstone, Earnshaw escapement with spring detent no.2777, hallmarked Chester 1903