Quadrature detection method, quadrature detection device and...
Quadri-balanced digital time displays
Quartz analog movement with lavet stepping motor and large energ
Quartz controlled analog watch
Quartz crystal watch
Quartz crystal wristwatch
Quartz oscillation circuit for electronic timepieces
Quartz oscillation-type electronic timepiece
Quartz watch with analogical time display, comprising a manually
Quick charge capacitor powered non-interruptible wearable person
Quick date setting by push-button in a watch
Quick feeding system for a counter
Quick hour setting system for timepiece
Quick release watchband
Quick reset game timer
Quick-fixing device for a watchband
Quickly resettable timer
Quickness measuring device
Quiet alarm clock