4AR

Start Year
1930
Jewels
5
JP
Posted July 1, 2013 - 12:40am

How about a 4AH??

JP
Posted July 1, 2013 - 10:06am

Nothing new.

Reverend Rob
Posted July 1, 2013 - 10:35am

4AR and 4AU are interchangeable. Based on the ebauche from A. Schild: AS 1017. 4 3/4''' x 6 1/2'''.

Versions of the AS 1017 were being made into the early 50's, but the design had radically changed. 

Kathy L.
Posted October 4, 2018 - 2:25am

I am looking at a watch that has a 4AR that has 17 jewels and is from 1946.