| 9031.80 | 011 | -- Automatic measuring instruments | 
| 9031.90 |  | Parts and accessories | 
| 9031.90 | 010 | - Of electrical instruments and apparatus | 
| 90.32 |  | Automatic regulating or controlling instruments and apparatus | 
| 9032.10 | 010 | - Of electrical type | 
| 9032.81 | 000 | Hydraulic or pneumatic | 
| 9032.89 | 010 | - Of electrical type | 
| 9032.90 | 000 | Parts and accessories | 
| 9033.00 | 000 | Parts and accessories (not specified or included elsewhere in this Chapter) for machines, appliances, instruments or apparatus of Chapter 90 | 
| 91.01 |  | Wrist-watches, pocket-watches and other watches, including stop-watches, with case of precious metal or of metal clad with precious metal | 
| 91.01 |  | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility | 
| 9101.11 | 000 | With mechanical display only | 
| 9101.19 |  | Other wrist-watches, whether or not incorporating a stop-watch facility | 
| 9101.21 | 000 | With automatic winding | 
| 9101.91 | 000 | Electrically operated | 
| 91.02 |  | Wrist-watches, pocket-watches and other watches, including stop-watches, other than those of heading 91.01 | 
| 91.02 |  | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility | 
| 9102.11 | 000 | With mechanical display only | 
| 9102.12 | 000 | With opto-electronic display only | 
| 9102.19 |  | Other wrist-watches, whether or not incorporating a stop-watch facility | 
| 9102.21 | 000 | With automatic winding | 
| 9102.91 | 000 | Electrically operated | 
| 91.03 |  | Clocks with watch movements, excluding clocks of heading 91.04 |