Apple Watch shortages due to faulty taptic engine from one of two suppliers

According to a new report, one of the two suppliers for a major component of the Apple Watch failed to produce reliable parts

The Apple Watch is facing major supply constraints after a key component delivered by one of two suppliers was found to be inherently defective.

The component in question is the "taptic engine", a flagship feature for the watch which enables it to deliver silent notifications with a gentle tap on the wrist, as opposed to a typical vibration. Produced for Apple by two companies, internal testing in February revealed that the components supplied by Chinese firm AAC Technologies "started to break down over time", according to Wall Street Journal.