Precious metals and their alloys; works of arts in the form of jewelry, namely, necklaces, earrings, bracelets, rings, broaches, agates, pins, ornamental pins, tie pins, tie clips, clock handles, needle cases of precious metals, anchors for clock and watch-making, watch bands, clock cases, clock and watch dials, jewel cases of precious metal, all the aforesaid products of precious metals and their alloys; jewelry, precious stones, horological and chronometric instruments, watches, complication watches, chronographs for use as watches and timepieces, chronometers, stopwatches, chronoscopes, watch and clock movements, pendulums for clocks, clock and watch-making barrels, clocks, wristwatches, alarm clocks, atomic clocks, electric clocks and watches, sundials; horological cases, watch cases, wristwatches, watch chains, watch springs; bracelets, earrings, necklaces, rings and broaches, all made of leather or imitations of leather; watches