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 03 Clocks with watch movements excl. clocks of 91.04 91 03 10 Electrically operated 91 03 10 00 Electrically operated Commodity Code Description 91 03 10 00 000 Electrically operated