179342 ⎘
Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement winding-up springs
Sub-classes:TIMEPIECE
#2Electronic Watch
#3WATCH
#4Device for winding a timepiece by means of the crown
#5Timing device with power winder for driving a mechanical energy storage unit to store mechanical energy in response to detection of a mechanical energy storage status
#6TIMING DEVICE WITH POWER WINDER
#7Timing device with power winder