14 precious metals and their alloys sold in bulk; products made from or plated with precious metals and their alloys, namely, belt buckles, jewelry, rings, necklaces, brooches, earrings, and pierced earrings, candlesticks, and serving trays; jewelry; precious stones, namely, diamonds, rubies and emeralds; and watchmaking and chronometric instruments, namely, watches, clocks, sundials, watch fobs, watch movements, watch straps, and chronographs for use as watches