Case for a watch movement
Case for a watch movement
Circuit and method for correcting the rate of an electronic time
Circuit arrangement for adjusting a pulse frequency of a quartz-
Circuit for shaping a signal produced by a contact
Circuit for suppressing the effect of rebounds and parasitic com
Click mechanism of a timepiece
Clock apparatus for forming time information for use in computer
Clock construction and method of making the same
Clock or watch having accuracy-improving function
Clutch wheel for a timepiece
Combination electrical contact member and braking member for a t
Combined crown and pusher electro mechanism
Control device for a push-piece, in particular for time...
Control device for a push-piece, in particular for time...
Control mechanism for the setting devices of a watch and...
Control mechanism for watch part
Control of digital watch using menu and thumbwheel
Correcting device for a timepiece
Correcting mechanism for hybrid display timepiece