Double chronograph

[citation needed] A watch with a double chronograph has two seconds hands.

[citation needed] During the 1930s, due to a smaller size, the mechanism was able to fit the case of a wristwatch.

In 2010, Gallet introduced the first self-winding double chronograph movement, powered by two separate mainsprings.

[4] The Swiss company's in-house manufactured calibre G330 solved the decades old issue of decreased accuracy while utilizing the dual recording feature, a characteristic problem with double chronographs.

Besides the longer duration (72 hours) between winds, this increase in available power enabled the G330 to maintain certified chronometer-level accuracy across the full range of functions.