J89

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Calibre J89 is an alarm movement from Junghans produced in the 1950's.

Advertised as "Minivox", Cal. J89 was unusual in that it used a single barrel for both the alarm and timekeeping functions of the watch. The alarm was set using a crown at 2:00 and turned on or off using a switch at 4:00.

Description:

Manual winding movement

Functions:

Alarm function

Data:

18,000 A/h

Production period:

1950's