TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
FEATURES
Small SecondsHand Winding
More Gruen movements
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1929CALIBER FAMILY
Veri-ThinALSO KNOWN AS
cal. 381
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