Scent-awake clock
Sealed watch case and method of making
Second hand drive for electrically driven timepieces
Set stem mechanism for watches
Setting mechanism for a timepiece
Seven-day clock
Snap action fluid escapement for obtaining intermittent...
Solar chronometer
Solid-state display for time-piece
Sound making system
Spring bar assembly
Stem locking mechanism for electric calendar watches
System for synchronizing a clockwork pendulum with a...