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HSChapter 91
U.S. imports of electrically operated clock movements, complete & assembled (HS 910910) totaled $30K in May 2026, traded with 5 countries.
Electrically Operated Clock Movements, Complete & Assembled imports of $30K in May 2026 ran 24% below the year-to-date monthly average of $39K.
Last updated: May 2026 dataSubject to Section 301 tariffs given China's dominant role as the primary supplier, these complete, assembled clock movements are subdivided at the 10-digit level by power source (AC-only vs. battery), movement size (over or not over 50mm), and unit value (not over or over $5), creating a notably granular classification matrix. Alarm clock movements are separated from general clock movements across lines such as 9109100500 and 9109102010, while opto-electronic battery movements occupy their own line (9109105020). Thailand and Hong Kong are secondary sources, with Denmark and Taiwan also appearing in the supplier mix. Importers should verify the correct combination of power type, case diameter, and declared value before filing, as misclassification across the eleven available 10-digit lines is a common audit trigger.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US tariff schedule separates alarm clock movements into their own set of 10-digit lines (e.g., 9109100500, 9109102010, 9109103010, 9109103020, 9109104020), while non-alarm clock movements are classified under separate lines such as 9109105020, 9109107010, 9109107020, 9109107030, 9109108010, and 9109109000. The split then further depends on power source (AC-only vs. battery), movement size relative to 50mm, and unit value relative to $5.
The three variables that drive 10-digit classification — power source (AC vs. battery), movement diameter (not over 50mm vs. over 50mm), and unit value (not over $5 vs. over $5) — must all be correctly declared simultaneously. Importers frequently err by applying a single variable in isolation or by misidentifying the measurement threshold, which can shift a shipment across multiple tariff lines with different duty rates.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 9109102010 | CLK MOVEMENT OF ALARM CLK,AC ONLY,MEAS N/O50MM | $0 | -- | -- |
| 9109103010 | CLK MOVEMENT OF ALM CLK,AC ONLY,MEAS OV 50MM,N/O$5 | $0 | -- | -- |
| 9109103020 | CLK MOVEMENT OF ALM CLK,BATTERY,MEAS OV 50MM,N/O$5 | $0 | -- | -- |
| 9109104020 | CLK MOVEMENT OF ALARM CLK,BATTERY,MEAS OV50MM,OV$5 | $0 | -- | -- |
| 9109105020 | CLOCK MOVEMENT,EXC ALARM CLK,BATTERY,OPTO-ELECTRON | $0 | -- | -- |
| 9109107010 | CLK MOVEMENT,EXC ALM CLK,AC ONLY,MEAS OV50MM,N/O$5 | $0 | -- | -- |
| 9109108010 | CLK MOVEMENTS,EXC ALM CLK,AC ONLY,MEAS OV50MM,OV$5 | $0 | -- | -- |
CLK MOVEMENT OF ALARM CLK,AC ONLY,MEAS N/O50MM
CLK MOVEMENT OF ALM CLK,AC ONLY,MEAS OV 50MM,N/O$5
CLK MOVEMENT OF ALM CLK,BATTERY,MEAS OV 50MM,N/O$5
CLK MOVEMENT OF ALARM CLK,BATTERY,MEAS OV50MM,OV$5
CLOCK MOVEMENT,EXC ALARM CLK,BATTERY,OPTO-ELECTRON
CLK MOVEMENT,EXC ALM CLK,AC ONLY,MEAS OV50MM,N/O$5
CLK MOVEMENTS,EXC ALM CLK,AC ONLY,MEAS OV50MM,OV$5
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9109109000 | CLK MOVEMNTS, COMPL & ASSEM, ELEC OPER, EXC ALARM | $131K |
| 9109100500 | CLK MOVEMENTS OF ALARM CLK, COMPL&ASSEM,ELECT OPER | $0 |
CLK MOVEMNTS, COMPL & ASSEM, ELEC OPER, EXC ALARM
24.3K no
CLK MOVEMENTS OF ALARM CLK, COMPL&ASSEM,ELECT OPER
WRST WATCH, NT BATTERY, CASE BASE METAL, AUTOMATIC
HS 910221
WRST WATCH, BATTERY, MECHANICAL DISPLY, BASE METAL
HS 910211
WRST WATCH, NT BATTERY, PRECIOUS METAL, AUTOMATIC
HS 910121
WRIST WATCHES, NT BATTERY, BASE METAL, W/O AUTOMAT
HS 910229
WRST WATCH, BATTERY, PRECIOUS METAL, MECH DISPLAY
HS 910111
WRIST WATCHE, NT BATTERY, PRECIOUS METAL W/O AUTOM
HS 910129
| State | Imports | Exports | Balance |
|---|---|---|---|
| Ohio | -- | $122K | +$122K |
| Pennsylvania | -- | $10K | +$10K |
| Wisconsin | -- | -- | -- |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| DETROIT, MI | -- | $85K | +$85K |
| PORT HURON, MI | -- | $31K | +$31K |
| NEW ORLEANS, LA | -- | $10K | +$10K |