Start Year
1935
End Year
1936
Jewels
15, 17
Reverend Rob
Posted July 1, 2013 - 10:42am
4AE, 4AF, 4AH, 4AN, 4AS, 4AW, and 4FL are interchangeable. Based on the FHF ebauche:
FHF 52, some with Breguet overcoil.
William Smith
Posted July 2, 2015 - 11:59pm
1935 (Triangle) 15 jewel
William Smith
Posted July 3, 2015 - 12:03am
1936 (Square) 17 jewel
