Eta Sa Manufacture Horlogere Suisse

Laurent Gallet

Xavier Tinguely

Martin Strahm

The invention concerns an electronic watch including analogue display means formed of at least one hand () driven by a stepping motor (), at least one time base () for providing time data (h. m) to means () for controlling and driving said stepping motor, a main power source (), means () for detecting a lack of sufficient power from said main power source, non-volatile storage means () powered by an additional power source (), for containing said time data when a lack of sufficient power is detected, and characterized in that said non-volatile storage means are further provided for containing the stepping motor position data (&#x3bc;pas) when said lack of sufficient power is detected.

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Neuchâtel, Switzerland

Laurent Gallet