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 04 Instrument panel clocks and clocks of a similar type for vehicles, aircraft, spacecraft or vessels 91 04 00 INSTRUMENT PANEL CLOCKS AND CLOCKS OF A SIMILAR TYPE FOR VEHICLES, AIRCRAFT, SPA Commodity Code Description 91 04 00 00 INSTRUMENT PANEL CLOCKS AND CLOCKS OF A SIMILAR TYPE FOR VEHICLES, AIRCRAFT, SPA