Rotor and Oscillator Assembly for Automatic Watches
Pre-assembled rotor with ball bearings and oscillator bridge, joined inseparably for automatic winding mechanisms in mechanical watches. Classified under HTS 9114.90.15.00 as a watch movement subassembly of multiple fastened parts essential for self-winding timepieces.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ball bearings in the rotor are imported separately
Bearing balls are excluded from chapter 91 by note 1(d) and classified as separate bearing components.
If made primarily of base metal for general use
Parts of general use defined in note 2 to section XV are excluded from chapter 91.
If imported as part of complete watch movement rather than subassembly
Complete watch movements assembled with dial and hands fall in different subheading.
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Import Tips & Compliance
• Include bills of materials showing value of foreign components if from insular possessions to claim duty benefits under US note
• Ensure assembly isn't disassemblable without damage to qualify as 'inseparable' per HTS definition
• Label clearly as 'watch movement parts only' to prevent retail classification errors
Related Products under HTS 9114.90.15.00
ETA 2824-2 Automatic Watch Movement Assembly
This is a complete subassembly for the ETA 2824-2 automatic watch movement, consisting of the main plate, bridges, and gear train fastened inseparably together. It falls under HTS 9114.90.15.00 as an assembly of two or more parts for watch movements, designed for incorporation into mechanical timepieces regulated by balance wheel and hairspring.
Escapement Assembly with Pallet Fork and Escape Wheel
Precision subassembly consisting of pallet fork, escape wheel, and mounting plate riveted together for mechanical watch escapements. This falls under HTS 9114.90.15.00 as an inseparable multi-part assembly specifically for watch movements.
Date Wheel and Jumping Mechanism Subassembly
Assembled date wheel stack with jumping mechanism levers and springs fastened inseparably for calendar complications in watches. HTS 9114.90.15.00 classification applies as a multi-part watch movement subassembly.
Balance Complete Assembly with Hairspring
Factory-assembled balance wheel, staff, roller, and hairspring regulator fastened together as inseparable unit for mechanical watches. Qualifies under HTS 9114.90.15.00 for watch movement assemblies of multiple joined parts.
Gear Train Bridge and Wheels Assembly
Complete intermediate wheel assembly with bridges and pivots pressed and screwed inseparably for watch center wheel to escape wheel train. HTS 9114.90.15.00 for such multi-part watch movement subassemblies.
Setting Lever and Crown Wheel Subassembly
Pre-assembled winding and setting mechanism with crown wheel, setting lever, and return spring joined inseparably. Classifies under HTS 9114.90.15.00 as watch movement multi-part assembly.