circa 1967, the signed oval champagne dial, 18mm wide, with black batons and hands, signed 17 jewel mechanical crown wind movement number 25955403 calibre 620 with liveried crown, case, 20mm wide, verso snap on, plain and brushed finish, interior liveried and numbered 511259 with Swiss mark for 18ct gold and Poinçon de Maître: Hammer Head number 206 for A. Bräuchi & Fils, together with London import hallmarks for 18ct gold, to the (probably) original black signed black strap with liveried gilt pin buckle