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

A Baume & Mercier lady’s 18ct gold wristwatch, 1970s, the signed oval gilt dial with gilt hands, without numerals, within textured bezel, with cabochon set winder, reverse numbered ‘734023 38244 9’, to integral graduating textured double loop bracelet strap, clasp with import mark for 1977, (bracelet reduced in length, the two additional sections included), with original black case, length 16.2cm. £1000-1300