Covers optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof. This section has three chapters as below :

Chapter 90: Optical, Photographic, Cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Chapter 91: Clocks and watches and parts thereof
Chapter 92: Musical instruments; parts and accessories or such articles