178911 ⎘
Driving mechanisms with mainspring; Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
Timepiece comprising a device for switching a timepiece mechanism
#2Barrel with substantially constant torque
#3Operation stabilizing mechanism, movement, and mechanical timepiece
#4Timepiece movement and timepiece including such a movement
#5Constant force device, movement and mechanical timepiece
#6Operation stabilization mechanism, movement, and mechanical timepiece
#7Method for adapting a timepiece movement provided to operate in ambient atmospheric pressure so as to operate in a low-pressure atmosphere
#8Barrel including an additional elastic means of accumulating energy
#9Clock movement containing a constant force device
#10Timepiece
#11Timepiece with a constant-force device for acting on an oscillating system
#12Watch whose movement includes a constant force device
#13Display device for a watch
#14Mechanical timepiece