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4SN

Start Year: 

1924

End Year: 

1925

Jewels: 

17
Alex
Panel Member
Posted September 16, 2014 - 11:15pm

Alex
Panel Member
Posted September 16, 2014 - 11:08pm

   

Alex
Panel Member
Posted September 16, 2014 - 10:57pm

I spotted a 4SN with circle = 1925 date code. Picture will follow.

FifthAvenueRestorations's picture
FifthAvenueRest...
Posted July 3, 2013 - 11:16am

Reverend Rob's picture
Reverend Rob
Panel Member
Posted June 21, 2013 - 4:52pm

From a Sonceboz 253 ebauche. Not common at all. 

JP
Posted June 21, 2013 - 3:39pm

Weren't watches from that period signed Bulova W Co. up to a certain year??

FifthAvenueRestorations's picture
FifthAvenueRest...
Posted June 20, 2013 - 7:25pm