'No battery' quartz analogue wristwatch, 1984.

Richardson, Claire

 
'No battery' quartz analogue wristwatch, 1984.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

Made by Pulsar Quartz of Switzerland, this wristwatch is powered by an amorphous silicon photocell (which surrounds the dial) with reserve power provided by a capacitor.

© Science Museum / Science & Society Picture Library

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