Commodity2005200620072008200920102011
Watch cases of precious metal/metal clad with precious metal $3 $197$90$110$228
Watch cases of base metal, whether or not gold- /silver-plated  $358 $29  
Watch cases n.e.s. in 91.11$2,385$817$8,317$15,501$17,979$20,648$36,583
Parts of the watch cases of 91011$135 $1,219 $587$17$13
Total$2,520$820$9,894$15,698$18,685$20,775$36,824