A three hand movement of the type having a frame, a stepping motor mounted in the frame, a manually actutable timesetting stem disposed in the frame and a gear train driven by the stepping motor to rotate coaxial members carrying "seconds", "minutes", and "hours" hands. An improved dual reduction gear...http://www.google.com/patents/US4932011?utm_source=gb-gplus-sharePatent US4932011 - Three hand movement for a timepiece with improved timesetting gear train
