CARTIER Gold-plated metal watch, "Tank" (pre-must) type, rectangular dial with white background (dust and slight dirt), black Roman numerals, hand-wound mechanical movement (base calibre ETA 2512: signed). The back is signed, the winding crown decorated with a blue stone cabochon. Circa 1975 Case width: approximately 23 mm Black leather strap with gold-plated metal buckle, with later attachments