GRAND TONNEAU JUMP HOUR - MNL.02We have always been fascinated by the Jump Hour complication. The Jump Hour mechanism is a rare and fascinating complication that first gained prominence in the early 20th century, celebrated for its clarity and mechanical ingenuity. Unlike traditional watches, where the hour hand moves continuously, this movement allows the hour to jump precisely at the turn of the houra mesmerizing mechanical feat. For the Grand Tonneau Jump Hour collection, we have