HTS 9105.99.10.00 Tariff
HTS 9105.99.10.00 classifies "Standard marine chronometers having spring-detent escapements" in the US Harmonized Tariff Schedule. Base duty rates below apply to most trade; country of origin can change applicable rates and add additional duties (e.g. Section 301). Use the calculator or API to compute total duty.
- Type: Base HTS
- How to use: Base rates apply to most countries (General/Special). Column 2 applies to non-MFN countries. Additional duties (Section 301, 232, IEEPA) may apply by origin; use the calculator or resolve API to get the full picture.
Related explainers:
Official HTS Description
Official product classification and description from the Harmonized Tariff Schedule
Product Name
Standard marine chronometers having spring-detent escapements
HTS Schedule Description
Standard marine chronometers having spring-detent escapements
Additional Description
Standard marine chronometers having spring-detent escapements
HS Code
9105.99.10.00
HTS Number
9105.99.10.00
Unit of Quantity
No.
Classification Level
Level 3 (more specific = higher level)
Legal Notes & Requirements
Important footnotes and legal requirements for this HTS classification
See 9903.88.15.
Additional Duties (Section 301, 232, etc.)
Country-specific additional tariffs separate from base rates
Section 301 Uncertain
Trade remedies targeting specific countries
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Tariff measure applies to products of China with specific exclusions listed)
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Tariff measure applies to products of China with specific exclusions listed)
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Tariff measure applies to products of China with specific exclusions listed)
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Tariff measure applies to products of China, with exceptions listed in other headings.)
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Tariff measure applies to products of China with specific exclusions listed)
See 9903.88.15
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Applies to articles from China with specific exclusions listed)
Unknown Additional Duty Uncertain
Additional trade measures
Tip: Select a country of origin above to see which measures apply.
Related HTS Codes
Other codes in the same chapter ( 9105)
Showing up to 12 related codes. Search all HTS codes for more.
Frequently Asked Questions
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Standard marine chronometers having spring-detent escapements". It determines base duty rates for imports; additional duties may apply by country of origin.
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.
Duty rates (HTS columns)
Base duty rates and agreement-specific tariffs for this product
Column 1 - General
Normal Trade Relations (NTR/MFN) rates for most countries
17¢ each + 2.5% + 1¢/jewel
Effective: November 19, 2025
Compound Rate: 17¢/piece + 2.5%
Column 1 - Special
No special rate available
Column 2
Higher rates for non-MFN countries
$4.50 each + 65% + 25¢/jewel
Effective: November 19, 2025
Compound Rate: $4.5/piece + 65.0%
Quick Actions
Recent Changes
4.5% → 65.0%
4 months ago
17.0% → 2.5%
4 months ago
451.0% → 4.5%
4 months ago
17251.0% → 17.0%
4 months ago
451.0% → 450.65%
4 months ago
451.0% → 450.65%
4 months ago
451.0% → 450.65%
4 months ago
451.0% → 450.65%
5 months ago
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