A Rattrapante, also known as a Split-Seconds chronograph, is a sophisticated complication in watchmaking that allows the wearer to time multiple events simultaneously. This feature is particularly useful for timing events that start at the same time but have different durations, such as lap times in a race. The Rattrapante mechanism includes an additional seconds hand, which is superimposed on the main chronograph seconds hand. When the chronograph is activated, both hands move together. However, by pressing a dedicated pusher, the Rattrapante hand can be stopped independently to record an intermediate time, while the main chronograph hand continues to run. Pressing the pusher again causes the Rattrapante hand to catch up with the main hand, ready to be stopped again for another split time. This complex mechanism requires precise engineering and craftsmanship, making Rattrapante watches highly valued among collectors and enthusiasts. The development of the Rattrapante function is a testament to the ingenuity and skill of watchmakers, as it involves intricate components and synchronization. Watches featuring this complication are often considered masterpieces of horological art, showcasing both technical prowess and aesthetic elegance.