manual wind movement signed 'ROLEX', white enamel dial with blue Arabic numerals excepting '12' in red surrounded by gold dot minute indicators, 15 carat gold plain rounded circular case import marked for Wilsdorf & Davis (owner's of the Rolex brand), London, 1912, 2.8cm diameter, on its 'Britannic' patent expanding bracelet in 9 carat gold, with a row of plain links containing springs between ribbed outer links, marked to underside of links 'BRITANNIC / 98193 - 9ct / PATENT - 24396/06', by Edwin Harrop, Clerkenwell (London), circa 1912