Ressence also makes Type 2 e-Crown independently, using 1.8 joules of energy per day. But if the watch is left, 10 micro shutters automatically open the photovoltaic cell and e-Crown ...
Tag: Ressence
Ressence also makes Type 2 e-Crown independently, using 1.8 joules of energy per day. But if the watch is left, 10 micro shutters automatically open the photovoltaic cell and e-Crown ...