Gruen Precision Electronic, 160 CA

Beschriftung Zifferblatt / Marking Dial	Gruen Precision Electronic
Uhrwerk / Caliber	160 CA (ESA Y2 9154)
Baujahr / Year	1970 (approx.)
Anmerkungen / Remarks	transistor controlled balance
Copyrights Photos	photographs courtesy of frank63g (http://www.ebay.com/sch/frank63g/m.html?)