Bulova 1942 President
Case back:BULOVA-10K GOLD FILLED and serial number
Inside case back:BULOVA FIFTH AVE NEW YORK
7AP 21 jewel movement is dated 1940(omega symbol)
Dial:butler finished dial has applied gold numbers and hands and reads BULOVA.There's a notch at the bottom indicating an older redial.
Crown is unsigned
As indicated there is a dash in front of the serial number that looks like it was stamped at the same time as the numbers themselves.First time I see this and would like to know if it means something