does anyone know anything about this watch? PAT JAN 11 1927 Bulova 14kt gold filled New York...

I have this watch.  It was my great grandfathers.  He passed away in 1929. I also have, as pictured, the original case......

 

Any information about this watch would be GREATLY APPRECIATED...

 

Inside the back of the dial the watch reads:
 
PAT JAN 11 1927
BULOVA
14K
Gold Filled
New York
 
The serial number reads:
 
9138671
 
Below the serial number there is an etched or hand signed mark thats reads:
j/35 followed by what looks like a D and a heart....