In a chronograph with analogue display, an additional centre second hand which can remain superposed on the other one as it moves, can be stopped independently and then made to "fly back" so as to catch up with the other hand, can be stopped and reset to zero together with the other hand In chronographs with numerical display, a "function" having the same effect
A second's hand on a chronograph that is used to determine lap or finishing times for several competitors To operate, put both the flyback and the regular second hand in motion; then to record a lap or finish time, the flyback hand can be stopped After taking the results, push a button and the flyback hand will catch up to the constantly moving second hand
In a chronograph with analog display, an additional center second hand that can remain superposed on the other one as it moves, can be stopped independently and then made to fly back to catch up with the other hand, and can be stopped and reset to zero together with the other hand In chronographs with numerical display, a function having the same effect