Quartz movement

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ETA Quartz movement 955.102

Electro-mechanical watch movement

In a quartz movement a crystal is made to vibrate in electrical oscillations. The frequency is then divided down to one cycle per second, detected visually by jerkily moving the seconds hand. The second step is transfered with a tiny motor to the gear train.

In principle quartz movements run more accurate than mechanical movements, however they mostly need batteries.

Today, quartz movements are to be found mainly in watches of the lower price ranges and in most women's watches.

Early Quartz Movements

See also