910811 Watch movements, complete and assembled: Battery powered: With mechanical display only or with a device to which a mechanical display can be incorporated
910812 Watch movements, complete and assembled: Battery powered: With opto-electronic display only
910819 Other Watch movements, complete and assembled: Battery powered:
910820 Watch movements With automatic winding
910891 Other Watch Movements, Measuring 338 mm (13 in) or less
910899 Other Watch movements, complete and assembled
