Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 91 Clocks and watches and parts thereof 91 09 Clock movements, complete and assembled 91 09 10 Electrically operated 91 09 10 00 Electrically operated Commodity Code Description 91 09 10 00 000 Electrically operated
