Hands-On The Montres KF Spirograph Sport

Think of the Montres KF Spirograph Sport as a marine chronometer on your wrist The large balance oscillates at the classical rate of 18,000 vibrations per hour inside of a tourbillon cage rotating once per minute The unusual shape of the balance wheel, with its large auxiliary compensation weights, is intriguing to watch as it oscillates.

The entire movement is mounted on shock absorbers, which can absorb up to 5,000 Gs, according to the brand The power reserve is shortened on purpose by using a Maltese cross mechanism, in order to ensure a more constant balance amplitude throughout the movement's autonomy Even with the extreme focus on performance of the Spirograph Sport, the finishing is very nicely done. Source