A chronometer pocket watch movement with up-and-down indication, Chas. Frodsham, London, No.04376, late 19th Century,
white enamel dial signed Chas. Frodsham, 04376, AD. fmsz, Roman numerals, subsidiary seconds and up-and-down dials, signed and numbered half plate frosted gilt fusee movement with free sprung chronometer escapement, helical blued steel balance spring, spring foot detent, diamond endstone, associated silver case, 50mm.