A blue enamel and diamond miniature fob watch, the white enamel dial with blue Arabic numerals and gilt scrolled hands, jewelled cylinder escape movement, the yellow gold case decorated with blue enamel, with central rose-cut diamond and seed pearl set border and bezel, bearing French ‘little guarantee’ mark for 1838-1919, suspended from a later ribbon bow brooch, highlighted with blue enamel and seed pearls, watch diameter 23mm. £260-340