178967 ⎘
Supervision of the state of winding, e.g. indicating the amount of winding
Sub-classes:Power reserve indicator mechanism for horology
#2Moving mechanism for a decorative element of a timepiece
#3Mechanical timepiece movement with power reserve detection
#4Barrel with substantially constant torque
#5Power reserve indicator for a timepiece
#6Timepiece movement with power reserve for extended operation
#7Differential gear for watch movement
#8Power reserve indicator mechanism
#9Self-winding watch including an indicator of the power reserve
#10Timepiece including a power reserve indicator device