Commodity2005200620072008200920102011
Watch cases of precious metal/metal clad with precious metal$10 $1,400$443   
Watch cases of base metal, whether or not gold- /silver-plated  $44$161   
Watch cases n.e.s. in 91.11$1,540$1,546$1,002$1,017$3,952$8,254$3,375
Parts of the watch cases of 91011 $20$631$545$251$974$25
Total$1,550$1,566$3,077$2,166$4,203$9,228$3,400