Unusual Victorian silver lady's open face pocket watch by Jenner & Knewstub, 40 mm case hallmarked London 1879. Most unusual keyless winding/hand setting. Winding via small folding handle inside rear cover, hand setting by pressing pendant button and turning a knurled wheel in the band of the case at V. Lever escapement. White enamel dial with Roman numerals, rail track minutes, subs seconds dial at VI.