0340, Gruen Precision, 500

Beschriftung Zifferblatt / Marking Dial	Gruen Precision
Uhrwerk / Caliber	500 (original movement replaced by 311)
Modellnummer / Style Number	340
Baujahr / Year	1938
Copyrights Photos	photographs courtesy of ie4u (http://www.ebay.com/sch/ie4u/m.html?)