Uhr mit einem elektronischen Uhrenbaustein

The description relates to a timer comprising an electronic timing device, a display unit and a generator, which drives a mechanical winder, and which supplies electrical energy for the electronic timer device without the intermediary of a rechargeable battery. The clock according to the invention is characterized by the generator being a synchronous motor/generator operating in generator mode or in motor mode, said generator being connected to a buffer store and a load resistor via an electronic switch, which controls the electronic timer device, and by the mechanical clockwork synchronized in a particular way by the electronic timer device driving the display unit designed as conventional hands.