Hello ,i have a IWC pocketwatch in steel from the 1920's? The movement nr is 836743 / case nr is 869793 Also the movement is marked with a cirkel within a elipse within IWC,en in the top of the circkel''Probius'' an below in cirkel ''Scafusia''. Also the movement is marked ''H5'' and ''+55231''
I have done some research,but i am not sure have found the right data,so i am asking for your help.......
I want to know the exact year of fabricage / how much of this movement-pieces are made / wich is th exact movement calliber-nr of this movement (maybe it is the 57T H5 calliber,but i am not sure) wat was the pris in the time this watch was made,and ich wich countries this watch was selled.
You can also mail me direct for info / photos: spreo@outlook.com
Greetings from Holland, John