# United States tariff lines under HS 9105.99

> The United States tariff splits HS 9105.99 (other: Other) into 6 national lines: 9105.99.10.00 (standard marine chronometers having spring-detent escapements), 9105.99.20 (not constructed or designed to operate for over 47 hours without rewinding), 9105.99.30 (having no jewels or only one jewel), 9105.99.40 (having over one jewel) and 2 others. The general (MFN) duty differs by line: 17¢ each + 2.5% + 1¢/jewel on 9105.99.10.00, free on 9105.99.20, free on 9105.99.30, free on 9105.99.40, 7.5¢ each + 3.2% on 9105.99.50.00 and 23¢ each + 3.2% on 9105.99.60.00.

Source: https://border.bot/countries/united-states/hs-codes/910599
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) / [9105.99](https://border.bot/countries/united-states/hs-codes/910599)

## Key facts

- HS subheading: [9105.99](https://border.bot/hs-codes/910599)
- National lines: 6
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 91: Clocks and watches and parts thereof

## United States lines under 9105.99

The United States tariff splits HS 9105.99 (other: Other) into 6 national lines: 9105.99.10.00 (standard marine chronometers having spring-detent escapements), 9105.99.20 (not constructed or designed to operate for over 47 hours without rewinding), 9105.99.30 (having no jewels or only one jewel), 9105.99.40 (having over one jewel) and 2 others.

The general (MFN) duty differs by line: 17¢ each + 2.5% + 1¢/jewel on 9105.99.10.00, free on 9105.99.20, free on 9105.99.30, free on 9105.99.40, 7.5¢ each + 3.2% on 9105.99.50.00 and 23¢ each + 3.2% on 9105.99.60.00.

- [9105.99.10.00](https://border.bot/countries/united-states/hs-codes/9105991000) Other, Other, Standard marine chronometers having spring-detent escapements. Duty (MFN): 17¢ each + 2.5% + 1¢/jewel
- [9105.99.20](https://border.bot/countries/united-states/hs-codes/91059920) Other, Other, Other, with movement measuring not over 50 mm in width or diameter, Not constructed or designed to operate for over 47 hours without rewinding. Duty (MFN): free
- [9105.99.30](https://border.bot/countries/united-states/hs-codes/91059930) Other, Other, Other, with movement measuring not over 50 mm in width or diameter, Constructed or designed to operate for over 47 hours without rewinding, Having no jewels or only one jewel. Duty (MFN): free
- [9105.99.40](https://border.bot/countries/united-states/hs-codes/91059940) Other, Other, Other, with movement measuring not over 50 mm in width or diameter, Constructed or designed to operate for over 47 hours without rewinding, Having over one jewel. Duty (MFN): free
- [9105.99.50.00](https://border.bot/countries/united-states/hs-codes/9105995000) Other, Other, Other, Valued not over $5 each. Duty (MFN): 7.5¢ each + 3.2%
- [9105.99.60.00](https://border.bot/countries/united-states/hs-codes/9105996000) Other, Other, Other, Valued over $5 each. Duty (MFN): 23¢ each + 3.2%

## In other countries

No other national tariff on border.bot has live lines under 9105.99 yet.

- [The Harmonized System text for 9105.99](https://border.bot/hs-codes/910599)

- Previous subheading: [9105.91](https://border.bot/countries/united-states/hs-codes/910591) Electrically operated
- Next subheading: [9106.10](https://border.bot/countries/united-states/hs-codes/910610) Time of day recording apparatus and apparatus for measuring, recording or otherwise indicating intervals of time, with clock or watch movement or with synchronous motor (for example, time registers, time-recorders)

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9105.99?

The United States tariff splits HS 9105.99 (other: Other) into 6 national lines: 9105.99.10.00 (standard marine chronometers having spring-detent escapements), 9105.99.20 (not constructed or designed to operate for over 47 hours without rewinding), 9105.99.30 (having no jewels or only one jewel), 9105.99.40 (having over one jewel) and 2 others.

### What is the duty on HS 9105.99 in the United States?

The general (MFN) duty differs by line: 17¢ each + 2.5% + 1¢/jewel on 9105.99.10.00, free on 9105.99.20, free on 9105.99.30, free on 9105.99.40, 7.5¢ each + 3.2% on 9105.99.50.00 and 23¢ each + 3.2% on 9105.99.60.00.

## 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/910599.json