Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof
Subheading
910990
Other
Common commodities
Mechanical wall clock movementGravity-driven pendulum clock partsWind-up grandfather clock mechanismHeirloom spring-driven clockworksWeight-driven antique clock componentsAntique pendulum clock motorSpring wound grandfather clock worksGrandfather clock mechanical gearsMechanical alarm clock movementTraditional wind-up clockwork parts