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 08 WATCH MOVEMENTS, COMPLETE AND ASSEMBLED. 91 08 90 OTHER WATCH MOVEMENTS, COMPLETE & ASSEMBLED Commodity Code Description 91 08 90 00 OTHER WATCH MOVEMENTS, COMPLETE & ASSEMBLED