El Primero 3600 SK

Operating at a frequency of 36,000 VpH (5Hz) with a 60-hour power reserve, this movement displays central hours and minutes, small seconds at 9 o'clock, and a 1/10th of a second chronograph. The chronograph includes a central hand completing a rotation every 10 seconds, along with 60-minute and 60-second counters at 6 and 3 o'clock respectively, finished with a special black main plate and skeletonized design.