9102.21.10 - With strap, band or bracelet of textile material or of base metal, whether or not gold- or silver-plated

This HTS category, 9102.21.10, specifically covers wrist watches that feature automatic winding mechanisms and possess no jewels or only a single jewel within their movement. The defining characteristic of these timepieces is their self-winding capability, driven by the wearer's motion, and the minimal use of synthetic jewels in their internal mechanism, which is typically limited to one or zero. The description further refines this classification by requiring the watch to be equipped with a strap, band, or bracelet made of textile material or base metal, which may be plated with gold or silver.

This classification is distinct from its sibling category, 9102.21.25 "Other," which would encompass automatic winding wrist watches with more than one jewel in the movement. Therefore, the number of jewels in the movement is the primary differentiator at this level, along with the material of the watch's band.

As this is a leaf node within the HTS, there are no further subcategories to introduce. The classification is complete at this level based on the presence of an automatic winding mechanism, the absence or single presence of jewels in the movement, and the specified materials for the strap, band, or bracelet. Examples falling under this category would include durable sports watches or everyday wear watches with automatic movements and simple textile or metal bands.