Clock activities and electric motors are the profession and lay terms, respectively, for the engines that make contemporary watches function. Using clock movements and also motors to achieve the precise features desired is eminently satisfying and rewarding. In this short article, we concentrate on these systems and the various components connected to them, such as dials, hands, chimes, as well as pendulums. Clock motions (or electric motors) are like black boxes with a solitary forecast of concentric shafts that are allowed to revolve independent of each other. Each hand (hr, min, and 2nd) attaches to its own shaft. The movement calculates the immediate angle of rotation for every shaft. Nowadays these calculations are done digitally, however originally they were derived mechanically. A hefty weight or a firmly coiled springtime used torque to the primary gear or flywheel, making it want to turn in a certain instructions. An adjusted pendulum, operating in tandem with an escapement mechanism, developed the quantity of turn at the proper tempo (like a metronome).

http://www.clockparts.com/mini-quartz-clock-movements/ Los Angeles, US     Silver Member