When the crown on the other a coaxial button is pr
 

When the crown on the other a coaxial button is pressed, the pointer tracking needle suspended Chronograph pointer still running. Press the button chronographs to catch needle pointer pointer back to the top of chronograph,watches replica, two pointers to overlapping run until the third time by pressing the button again to stop chasing coaxial needle pointer. This unique device can track a variety of race car competitions,swiss watches, a short time, because at the moment still time to stop the pointer indicates, you can get each participant to stop double-tracking needle Zhizhen O'clock to assist Ji Shi.