Perrelet was formed in 1777 by Abraham-Louis Perrelet a Swiss Horologist. Perrelet invented a self winding mechanism in the 1770's for pocket watches. Perrelet is widely acknowledged as the inventor of the basic movement known today as the automatic. In 1780 Perrelet invented the first pedometer measuring the steps and distance when walking. In 2011 Basel Perrelet unveiled their Seacraft line. Their first try at making a sport/dive watch. Always known for their complicated movements they were put to use on this new model.