# United States tariff lines under HS 9110.90

> The United States tariff splits HS 9110.90 (complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements) into 2 national lines: 9110.90.40.00 (consisting of two or more pieces or parts fastened or joined together) and 9110.90.60.00 (other). The general (MFN) duty differs by line: 4.3% + 1.7¢/jewel + 0.2¢ for each other piece or part, but if consisting in part of a plate or a set of plates the total duty shall not exceed the duty for the complete movement on 9110.90.40.00 and 4.2% on 9110.90.60.00.

Source: https://border.bot/countries/united-states/hs-codes/911090
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 91](https://border.bot/countries/united-states/hs-codes/91) / [9110.90](https://border.bot/countries/united-states/hs-codes/911090)

## Key facts

- HS subheading: [9110.90](https://border.bot/hs-codes/911090)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 91: Clocks and watches and parts thereof

## United States lines under 9110.90

The United States tariff splits HS 9110.90 (complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements) into 2 national lines: 9110.90.40.00 (consisting of two or more pieces or parts fastened or joined together) and 9110.90.60.00 (other).

The general (MFN) duty differs by line: 4.3% + 1.7¢/jewel + 0.2¢ for each other piece or part, but if consisting in part of a plate or a set of plates the total duty shall not exceed the duty for the complete movement on 9110.90.40.00 and 4.2% on 9110.90.60.00.

- [9110.90.40.00](https://border.bot/countries/united-states/hs-codes/9110904000) Other, Other, Consisting of two or more pieces or parts fastened or joined together. Duty (MFN): 4.3% + 1.7¢/jewel + 0.2¢ for each other piece or part, but if consisting in part of a plate or a set of plates the total duty shall not exceed the duty for the complete movement
- [9110.90.60.00](https://border.bot/countries/united-states/hs-codes/9110906000) Other, Other, Other. Duty (MFN): 4.2%

## In other countries

No other national tariff on border.bot has live lines under 9110.90 yet.

- [The Harmonized System text for 9110.90](https://border.bot/hs-codes/911090)

- Previous subheading: [9110.19](https://border.bot/countries/united-states/hs-codes/911019) Complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements
- Next subheading: [9111.10](https://border.bot/countries/united-states/hs-codes/911110) Watch cases and parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9110.90?

The United States tariff splits HS 9110.90 (complete watch or clock movements, unassembled or partly assembled (movement sets); incomplete watch or clock movements, assembled; rough watch or clock movements) into 2 national lines: 9110.90.40.00 (consisting of two or more pieces or parts fastened or joined together) and 9110.90.60.00 (other).

### What is the duty on HS 9110.90 in the United States?

The general (MFN) duty differs by line: 4.3% + 1.7¢/jewel + 0.2¢ for each other piece or part, but if consisting in part of a plate or a set of plates the total duty shall not exceed the duty for the complete movement on 9110.90.40.00 and 4.2% on 9110.90.60.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/911090.json