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 14 OTHER CLOCK OR WATCH PARTS. 91 14 90 OTHER CLOCK PARTS Commodity Code Description 91 14 90 10 OTHER CLOCK PARTS 91 14 90 90 OTHER WATCH PARTS