Patent ID: 6570823
Filing Date: 2003-05-27
Classification: G04F

Abstract:
An electronic chronograph watch including:a central hour hand, a central minute hand and a small off-centre second hand for permanently indicating the current time; chronograph hands for indicating a measured time when the watch is operating in chronograph mode; drive means operatively connected to the central hour hand, the central minute hand, the small off-centre second hand and said chronograph hands for driving the connected hands; generator means responding to manual control means for applying control pulses to said drive means, the generator means being operatively connected to the drive means, the drive means being responsive to the control pulses; and a first central second hand driven by its own drive unit, the drive unit being operatively connected to the first central second hand and being a member of the drive means and said generator means including means for selectively applying control pulses to the drive unit so that said first central second hand indicates the seconds of the current time, in phase with said small off-centre small second hand, when the watch is operating normally and the measured seconds when the watch is operating in chronograph mode.