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Gruen 431

Manual WindingDiscontinuedIn-house
Family: Veri-Thin

Veri-Thin 8 3/4 x 9 3/4 ligne, 15 jewels. Introduced 1940.

Last updated 29 Apr 2026Suggest a correction

TECHNICAL SPECIFICATIONS

Movement Type

Manual Winding

Display Type

Analog

Winding

Manual

FEATURES

Small Seconds

QUICK FACTS

BRAND

TYPE

Manual Winding

STATUS

Discontinued

MANUFACTURE

In-house

LAUNCH YEAR

1940

CALIBER FAMILY

Veri-Thin

ALSO KNOWN AS

cal. 431

FOR WATCH DEALERS

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