0690, Gruen 21 Precision, 335

Beschriftung Zifferblatt / Marking Dial	Gruen 21 Precision
Uhrwerk / Caliber	335
Modellnummer / Style Number	0690
Baujahr / Year	1950
Copyrights Photos	photographs courtesy of peregrinz_vintage_watches_worldwideperegrinz_vintage_watches_worldwide (http://www.ebay.com/sch/ peregrinz_vintage_watches_worldwideperegrinz_vintage_watches_worldwide/m.html?)