XVIII | | | | | 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 |
| | | 911310 | | Watch straps, watch bands and watch bracelets, and parts thereof, of precious metal or of metal clad with precious metal, n.e.s. |
| | | | 91131010 | Watch straps, watch bands and watch bracelets, and parts thereof, of precious metal, n.e.s. |
| | | | 91131090 | Watch straps, watch bands and watch bracelets, and parts thereof, of metal clad with precious metal, n.e.s. |
| | | | 91132000 | Watch straps, watch bands and watch bracelets, and parts thereof, of base metal, whether or not gold- or silver-plated, n.e.s. |
| | | | 91139000 | Watch straps, watch bands and watch bracelets, and parts thereof, n.e.s. |