Explanatory notes
… operated, whether or not incorporating a stop-watch facility : 9101.11 ‑ ‑ With mechanical display only 9101.19 … wrist‑watches, whether or not incorporating a stop‑watch facility : 9101.21 ‑ ‑ With automatic winding 9101.29 ‑ ‑ … is affixed, by soldering, brazing, welding, hot‑rolling or similar mechanical means, a covering of precious metal. …