HTS code 9902.17.42 covers "Battery-operated chiming melody clock movements, complete and assembled, valued over $5 each, suitable for use in the production of grandfather clocks, wall clocks and mantel clocks (provided for in subheading 9109.10.80)" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.