Gruen Precision Chrono-Timer, 450

Beschriftung Zifferblatt / Marking Dial	Gruen Precision Chrono-Timer, 450
Uhrwerk / Caliber	450
Baujahr / Year	ca. 1945
Copyrights Photos	photographs courtesy of www.styleintime.com (http://styleintime.com/Vintage-Watches/MANUFACTURE-A-to-K/Gruen)