Quartz Clock Movements Do So A lot more Quartz clock movements enable modern-day wrist watches to maintain precise time. Clock movements that use quartz crystals run online, and their function is to relocate each hand simply the right amount over a given amount of time to make sure that it's pointing appropriately. Conventional electric motors executed the same task, but they needed a network of gears and also ran mechanically. Just how quartz clock movements acquire their power is with a constant pulse stream that the crystal generates when submitted to a voltage decrease throughout it. On the other hand, the old mechanical resource of power was a coiled spring or hanging weight that triggered a flywheel to turn. The mechanical way of establishing hand placement was done straight through the gear network ratios, whereas the electronic way is to use software and counting signs up.