1880
Pierre Curie discovers piezoelectricity.

1888
Friedrich Reinitzer and Otto Lehmann discover liquid crystals

1927
Warren Marrison invents the 1st quartz clock

1954
First watch batteries

1959
Invention of the integrated circuit

1961-2
Development of light-emitting diodes.

1967
The Beta 21 is the 1st quartz watch prototype

1968
Development of Liquid crystal displays

1969
Seiko introduces the Astron to the Japanese market

1970
The Pulsar is the 1st digital watch

1976
The 1st watch under $20

1983
The Swiss introduce the Swatch

1991 Timex introduces the Indiglo®