All are pointer terms: The characteristic of the flyback pointer is that the pointer can return to the original position when it reaches the end of the scale. General watch hands are in circular motion, rotating a circle just to return to the original position, so the end is always the starting point of the next round.
The function of the flying back pointer is different, the pointer that reaches the end does not continue to move forward, and immediately springs back to the starting point, so that the continuous rotation becomes a reciprocating motion.
It is mainly used for 60-minute scale and calendar indication, but recently some watches have begun to use this method in seconds indication. Retrograde pointer (Retrograde), also known as \"rebound\