Third quarter of 19th century silver cased open face lever watch, 2887, frosted and gilt movement with blued steel screws and mono-metallic balance with engraved cock and jewelled lever escapement with fitted dust cover to a Roman enamel dial (multiple hairlines) with outside minute track and sunk subsidiary seconds with fleur de lys type hands in a hinged case with engine turned back cover centred with a vacant and gartered cartouche with coin milled band, London 1873, maker's mark JW and with corresponding case number, width 52 1/2mm