The quartz crisis or quartz revolution was the upheaval in the watchmaking industry caused by the advent of quartz watches in the 1970s and 1980s, that largely replaced mechanical watches around the w
Quartz movement of the Seiko Astron, 1969
The first Swiss quartz clock, which was made after World War II (left), on display at the International Museum of Horology in La Chaux-de-Fonds in Switzerland
Seiko Grand Quartz, produced in 1978
A watch is a timepiece carried or worn by a person. It is designed to maintain a consistent movement despite the motions caused by the person's activities. A wristwatch is worn around the wrist, attac
A modern wristwatch featuring solar charging and Bluetooth capabilities
A 1983 Casio watch with touchscreen
A pomander watch from 1530, which once belonged to Philip Melanchthon and is now in the Walters Art Museum, Baltimore
A watch drawn in Acta Eruditorum, 1737