Right, okay. So if when you press the top button the top left dial moves to a random position that means you are stopping the chronograph, but you can't see the chronograph is working because the main second hand isn't moving. I presume when you press the bottom pusher it always goes back to the same place? If so that means it's trying to reset to 12 but it's out of whack. You can reset the subdial hands by pulling out the crown (in two positions) and then pressing the buttons.
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