1950s Gruen Precision Day/Night

$300.00

Rare Gruen Precision with Original Day/Night Jump Hour Dial and Swiss Made Manual Wind Movement. Hour Markers Change Colors From Green to Black to Indicate Day and Night Hours.

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Rare Gruen Precision with Original Day/Night Jump Hour Dial and Swiss Made Manual Wind Movement. Hour Markers Change Colors From Green to Black to Indicate Day and Night Hours.

Rare Gruen Precision with Original Day/Night Jump Hour Dial and Swiss Made Manual Wind Movement. Hour Markers Change Colors From Green to Black to Indicate Day and Night Hours.