18K (750°/°°) yellow gold and platinum (850°/°°) bonnet watch bracelet and case, missing the movement and case back (inner glass), the bonnet centred with an old-cut diamond calibrating approximately 0.70 ct in a closed setting in a geometric décor adorned with lines of 8x8-cut diamonds (one brilliant-cut added), the attachments set with old-cut diamonds. The 18K (750°/°°) yellow gold, openwork, rigid bangle bracelet with openwork bands, adorned at the attachments with lines of 8x8-cut diamonds set in platinum (850°/°°). Slight chips on two diamonds Circa 1940 Gross weight: 43.1 g