The precisely jumping minute counter

The precisely jumping minute counter advances by one graduation exactly after 60 seconds have elapsed, even if the time measurement is stopped at that very moment. This useful mechanism was already incorporated in historic pocket watches and high-end wristwatches crafted during the last century. But Lange’s calibre engineers refined it in an ingenious way: a patented switching lever now allows the watchmaker to precisely determine the timing of the minute counter jump without having to disassemble the movement.