# United States tariff line 9105.99.20: Not constructed or designed to operate for over 47 hours without rewinding

> In the United States tariff, line 9105.99.20 covers other, with movement measuring not over 50 mm in width or diameter, not constructed or designed to operate for over 47 hours without rewinding. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 9105.99 in heading 91.05 (chapter 91).

Source: https://border.bot/countries/united-states/hs-codes/91059920
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) / [9105.99.20](https://border.bot/countries/united-states/hs-codes/91059920)

## Key facts

- Tariff line: 9105.99.20
- Covers: 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
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [9105.99](https://border.bot/hs-codes/910599)

## What this line covers

In the United States tariff, line 9105.99.20 covers other, with movement measuring not over 50 mm in width or diameter, not constructed or designed to operate for over 47 hours without rewinding.

Its legal text is “Not constructed or designed to operate for over 47 hours without rewinding”, read under “Other”, “Other” and “Other, with movement measuring not over 50 mm in width or diameter”.

## How it is structured

It falls under HS subheading 9105.99 in heading 91.05 (chapter 91). The first six digits are the Harmonized System code; the 2 digits after them are added by the United States tariff.

- Chapter 91: Clocks and watches and parts thereof
- Heading 91.05: Other clocks
- Subheading 9105.99: Other
- Within the subheading: Other
- Within the subheading: Other, with movement measuring not over 50 mm in width or diameter
- Line 9105.99.20: Not constructed or designed to operate for over 47 hours without rewinding

## Duty

Goods under this line enter free of general (MFN) duty.

## 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)

## Other lines under 9105.99

- [9105.99.10.00](https://border.bot/countries/united-states/hs-codes/9105991000) Standard marine chronometers having spring-detent escapements
- [9105.99.30](https://border.bot/countries/united-states/hs-codes/91059930) Having no jewels or only one jewel
- [9105.99.40](https://border.bot/countries/united-states/hs-codes/91059940) Having over one jewel
- [9105.99.50.00](https://border.bot/countries/united-states/hs-codes/9105995000) Valued not over $5 each
- [9105.99.60.00](https://border.bot/countries/united-states/hs-codes/9105996000) Valued over $5 each

- Previous line: [9105.99.10.00](https://border.bot/countries/united-states/hs-codes/9105991000) Standard marine chronometers having spring-detent escapements
- Next line: [9105.99.30](https://border.bot/countries/united-states/hs-codes/91059930) Having no jewels or only one jewel

## Frequently asked questions

### What does tariff line 9105.99.20 cover in the United States tariff?

In the United States tariff, line 9105.99.20 covers other, with movement measuring not over 50 mm in width or diameter, not constructed or designed to operate for over 47 hours without rewinding.

### What is the general (MFN) duty on 9105.99.20 in the United States?

Goods under this line enter free of general (MFN) duty.

## 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/91059920.json