A vulcanite cased cylinder fob watch, Ch. Oudin, Palais Royal, No.3679, circa 1870, hinged cover with Roman numerals on raised white enamel reserves, glazed aperture, white enamel dial signed Ch. Oudin Brevete, Palais Royal 52, Arabic numerals, signed and numbered frosted gilt bar movement, circular case with applied monogram and coronet and suspended from a leather and white metal fob, diameter 45mm.