Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A 9ct gold gentleman’s calendar dress wristwatch, by Garrard, the signed gilt dial with applied baton and dart hour markers, with date aperture at numeral 3, quartz movement, polished case stamped ‘375’, on black leather strap, in a Garrard & Co case, dial diameter 30mm. £100-150