j89
J89
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.
j89.txt · Last modified: 02.12.2022 20:38 by 127.0.0.1