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

A gentleman’s titanium Sector automatic Dive Team Chronograph, model number 3123985055, serial number 2013, 1000 meters water resistant, the yellow wave dial with three sub dials, date aperture at numeral 3, luminous hands and numerals, swivel unidirectional bezel with luminous dot at 60, with two screw down push buttons and crown, with deployant clasp, diameter 43 mm. £120-160