2nd counting chrono will reset to 1st counting chrono while it continue counting.
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I mean something different. If you start measuring time with the A7750 Chrono, you cannot reset "flyback" the stop second. First you have to stop the chrono, then the pusher @4 can reset to zero.
With the rattrapante movement, what happens if you stop the measurement and reset with pusher @4 while the 2nd stop second is still at a different position.
When I read the manual from IWC that was postet here, it looks like you may damage the levers on the cam system.
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