HS CodesXVIII · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof91 · Clocks and watches and parts thereof91089108Chapter 91Copy pageWatch movements, complete and assembledDescriptionWatch movements, complete and assembledSubheadings910811With mechanical display only or with a device to which a mechanical display can be incorporated910812With opto-electronic display only910819Other910820With automatic winding910890OtherWas this page helpful?YesNoPrevious9107Time switches, with clock or watch movement or with synchronous motorNextClock movements, complete and assembled9109