請問專業術語

各位大大好

賣家在描述狀況，說懷錶需要修理，
但是小弟揣摩了半天還是無法意會到底是哪裡壞掉了，


請各位大大幫忙ＱＱ


原句如下：



1. The balance swings freely however when the movement side is wound it springs back as if not locking


2. [size=13.3333330154419px]The time side winding slips and needs repair.
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[size=13.3333330154419px]3. [size=13.3333330154419px]Hello, the balance wheel and hairspring are fine. What happens is when the watch is wound it slips back instead of clicking in place.

其实就是，这表的发条盒无法储存动力了