Victorian 18ct gold open face pocket watch with power reserve dial, number 73816 50 mm case hallmarked London 1882, maker's mark AF. White enamel face with Roman numerals, rail track minutes, 0/30 up/wind//down power-reserve subsidiary dial at XII and subs seconds dial at VI. Keywind, full plate fusee, lever escapement movement, No.73816. 117gm. The 'Up-Wind-Down' indicator dial displays the 'power reserve' left in the mainspring, a rare feature seen on quality watches.