Precious metals and their alloys and goods of precious metals or coated therewith not included in other classes, horological and chronometric instruments; precious stones; unwrought and semi-wrought precious stones; polished gemstones; artificial stones (precious and semi precious); semi finished articles of precious stone for use in the manufacture of jewellery; jewellery, imitation jewellery, costume jewellery, cufflinks; ornaments made of precious metal or precious stones; figurines and objects of art made of precious stones; silver key rings; clocks and watches