Jewellery, including but not limited to, rings, pendants, earrings, charms, chains, bracelets and bangles; ornaments, pewter and trinkets; precious stones including diamonds, opals, garnet, pearls and coloured stones; goods in precious metals and their alloys including goods of gold, silver and platinum, goods in precious metals or coated therewith; chronological, horological and chronometric instruments including watches and clocks; parts and accessories of each of the foregoing falling into this class