circa 1960, model 6186, the signed circular silvered dial, 28mm diameter, with gold coloured batons and hands, centre sweep and dot minute track, signed 18 jewel mechanical crown wind movement decorated with 'The Côtes de Genève', number 543478, calibre K1002, with liveried crown, case, 32mm diameter, verso snap on, monogrammed, interior signed with Swiss marks for 18ct gold, Geneva together with Poinçon de Maître: Key of Geneva number 4 for Antoine Gerlach SA, and London import marks for 18ct gold, numbered 381688 6186, to an aftermarket 9ct gold Milanese style bracelet terminating in a 2 stage ladder clasp, weight of bracelet 30.2g, presented in a liveried burgundy felt pouch within a livered burgundy leather pouch, retailed by Wilson & Gill, London