The UMF caliber 24-32 adds an indirectly driven center second hand to the base caliber UMF 24-30.
old construction of december 1973
In the old construction of 1973 (week 50), you can see, that this movement did not yet have a moveable hairspring stud, since that was released in 1975.
UMF 24-32 dial side
On the dial side, you can easily spot the differences between the old (pre 1975) construction and the newer one: On the old construction, the rocking bar winding mechanism is made of metal, on the newer one, it is made of plastic.
dial side, old version
|Number of jewels||0|
|Balance cock direction||clockwise|
|Regulator type||Hairspring key|
Escapement wheel, Fourth wheel, Third wheel, Center wheel, Mainspring barrel
|Winding mechanism||Rocking bar|
|Setting lever spring||2 holes|
|Functions||Hour, minute, second|
|Beats per hour||18000|
|Image in Flume Werksucher ||K3 66|
UMF 24-32UMFUMF24-321963-198710 3/4''''''0 Jewels, 10 3/4'''''', 18000 A/h, SCI
Ruhla gents watchRuhla Lady Star ladies' watch