# United States tariff lines under HS 9109.10

> The United States tariff splits HS 9109.10 (electrically operated) into 8 national lines: 9109.10.10 (with opto-electronic display only), 9109.10.20 (measuring not over 50 mm in width or diameter), 9109.10.30 (valued not over $5 each), 9109.10.40 (valued over $5 each) and 4 others. The general (MFN) duty differs by line: 3.9% on the movement + 5.3% on the battery on 9109.10.10, 30¢ each + 5.3% on the battery on 9109.10.20, 7.5¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.30, 22¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.40, 3.9% on the movement + 5.3% on the battery on 9109.10.50, 20¢ each + 3.5% on the battery on 9109.10.60, 12¢ each + 5.1% on the movement + 4.2% on the battery on 9109.10.70 and 30¢ each + 4.3% on the movement + 3.5% on the battery on 9109.10.80.

Source: https://border.bot/countries/united-states/hs-codes/910910
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) / [9109.10](https://border.bot/countries/united-states/hs-codes/910910)

## Key facts

- HS subheading: [9109.10](https://border.bot/hs-codes/910910)
- National lines: 8
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 91: Clocks and watches and parts thereof

## United States lines under 9109.10

The United States tariff splits HS 9109.10 (electrically operated) into 8 national lines: 9109.10.10 (with opto-electronic display only), 9109.10.20 (measuring not over 50 mm in width or diameter), 9109.10.30 (valued not over $5 each), 9109.10.40 (valued over $5 each) and 4 others.

The general (MFN) duty differs by line: 3.9% on the movement + 5.3% on the battery on 9109.10.10, 30¢ each + 5.3% on the battery on 9109.10.20, 7.5¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.30, 22¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.40, 3.9% on the movement + 5.3% on the battery on 9109.10.50, 20¢ each + 3.5% on the battery on 9109.10.60, 12¢ each + 5.1% on the movement + 4.2% on the battery on 9109.10.70 and 30¢ each + 4.3% on the movement + 3.5% on the battery on 9109.10.80.

- [9109.10.10](https://border.bot/countries/united-states/hs-codes/91091010) Electrically operated, Of alarm clocks, With opto-electronic display only. Duty (MFN): 3.9% on the movement + 5.3% on the battery
- [9109.10.20](https://border.bot/countries/united-states/hs-codes/91091020) Electrically operated, Of alarm clocks, Other, Measuring not over 50 mm in width or diameter. Duty (MFN): 30¢ each + 5.3% on the battery
- [9109.10.30](https://border.bot/countries/united-states/hs-codes/91091030) Electrically operated, Of alarm clocks, Other, Other, Valued not over $5 each. Duty (MFN): 7.5¢ each + 3.2% on the movement + 2.6% on the battery
- [9109.10.40](https://border.bot/countries/united-states/hs-codes/91091040) Electrically operated, Of alarm clocks, Other, Other, Valued over $5 each. Duty (MFN): 22¢ each + 3.2% on the movement + 2.6% on the battery
- [9109.10.50](https://border.bot/countries/united-states/hs-codes/91091050) Electrically operated, Other, With opto-electronic display only. Duty (MFN): 3.9% on the movement + 5.3% on the battery
- [9109.10.60](https://border.bot/countries/united-states/hs-codes/91091060) Electrically operated, Other, Other, Measuring not over 50 mm in width or diameter. Duty (MFN): 20¢ each + 3.5% on the battery
- [9109.10.70](https://border.bot/countries/united-states/hs-codes/91091070) Electrically operated, Other, Other, Other, Valued not over $5 each. Duty (MFN): 12¢ each + 5.1% on the movement + 4.2% on the battery
- [9109.10.80](https://border.bot/countries/united-states/hs-codes/91091080) Electrically operated, Other, Other, Other, Valued over $5 each. Duty (MFN): 30¢ each + 4.3% on the movement + 3.5% on the battery

## In other countries

No other national tariff on border.bot has live lines under 9109.10 yet.

- [The Harmonized System text for 9109.10](https://border.bot/hs-codes/910910)

- Previous subheading: [9108.90](https://border.bot/countries/united-states/hs-codes/910890) Other
- Next subheading: [9109.90](https://border.bot/countries/united-states/hs-codes/910990) Other

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9109.10?

The United States tariff splits HS 9109.10 (electrically operated) into 8 national lines: 9109.10.10 (with opto-electronic display only), 9109.10.20 (measuring not over 50 mm in width or diameter), 9109.10.30 (valued not over $5 each), 9109.10.40 (valued over $5 each) and 4 others.

### What is the duty on HS 9109.10 in the United States?

The general (MFN) duty differs by line: 3.9% on the movement + 5.3% on the battery on 9109.10.10, 30¢ each + 5.3% on the battery on 9109.10.20, 7.5¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.30, 22¢ each + 3.2% on the movement + 2.6% on the battery on 9109.10.40, 3.9% on the movement + 5.3% on the battery on 9109.10.50, 20¢ each + 3.5% on the battery on 9109.10.60, 12¢ each + 5.1% on the movement + 4.2% on the battery on 9109.10.70 and 30¢ each + 4.3% on the movement + 3.5% on the battery on 9109.10.80.

## 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/910910.json