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