Hartmut Esslinger – Junghans Mega
Written on 04/14/2009 – 12:38 | by admin |Hartmut Esslinger: "Junghans Mega1", wristwatch with small photovoltaic panel linked to a storage battery, 1990

Hartmut Esslinger: "Junghans Mega1", wristwatch with small photovoltaic panel linked to a storage battery, 1990