CRYSTRON SOLAR CELL

https://ms.citizen.jp/assets/1431-12
Year launched
1976
12 categories
03 / Eco-Drive
Commentary

The world's first analog light-powered watch, marking time with the power of light. It was registered as an Important Historical Material for Science and Technology (Future Technology Heritage) for fiscal year 2019 by the National Museum of Nature and Science.

Product code
1431-12
CAL.
8629
Watch type
Eco-Drive
Case material
Stainless steel