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After a great deal of thought and reflection, we finally decided to develop our own calibre to solve these problems. In 2001 we started developing the Heart Beat Manufacture, with a specific bridge to position the balance wheel at the front of the movement, that is to say on the side of the dial. Having the bridge for the balance wheel on the front side of the calibre made it possible to have the spiral and fine regulation on the front side as well, creating a much more appealing Heart Beat design. This construction was completely novel - allowing Frédérique Constant to apply for a patent. This time, all the designs were also properly registered before going to market!

Three years of development for the first Heart Beat Manufacture were necessary before the first Heart Beat caliber saw the light of day. It was a major development in co-operation with the École d’Horlogerie de Genève, the École d’Ingenieurs de Genève and the Horloge Vakschool Zadkine.In 2004, the manual version of the Heart Beat Manufacture was introduced - with major success. In 2005, the Frédérique Constant Heart Beat Manufacture with Moon Phase and Date, also manual winding, followed.