Autonomous radio-controlled timepiece
Autoranging time stamp circuit
Auxiliary timing source for ac-powered electronic clocks
Baby bottle timer
Back cover fixing structure for wristwatch
Backlash-compensating toothed moving part, gear assembly and...
Backlash-compensating toothed moving part, gear assembly and...
Balance for timepiece movement
Balance watch
Balance wheel assembly
Balance wheel provided with an adjustment device
Balance wheel, balance spring and other components and...
Balance-spring with altered outer curve
Balanced chronograph digital time display
Balanced complementary digital time displays
Balanced digital time displays
Ballistic effect data selection method, intended to be implement
Band and wrist device
Band and wrist device
Band mounting for wrist watch, and assembly, with improved viewi