Precious metals; alloys of precious metal; jewellery made of precious metals; jewellery, including imitation jewellery and plastic jewellery; jewellery made of semi-precious materials; ornaments of precious metal in the nature of jewelry; jewellery made of precious metal alloys; jewellery coated with precious metal alloys; jewellery; precious and semi-precious gems; jewel cases of precious metal; clocks; chronometric instruments