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 05 Other clocks Commodity Code Description 91 05 11 Electrically operated 91 05 19 Other 91 05 21 Electrically operated 91 05 29 Other 91 05 91 Electrically operated 91 05 99 Other