What you want to ask is why Jaeger-LeCoultre's alarm clock hasn't stopped for eight days? The reason for this is the following：

1, parts failure: Jaeger-LeCoultre eight-day alarm clock is caused by parts failure, and the watch needs to be sent to the maintenance center for inspection and repair.

2. Movement problem: Jaeger-LeCoultre's 8-day alarm clock has movement problem and needs to be checked and repaired by a professional watch maintenance center.