Most probably the best known globally of all the prestigious American  Watch Manufacturers , established in New York in 1895 by Joseph Bulova.  

We have here a c1928 Bulova Senator Watch, a heavily engraved square case on both front and back with 2 gold rib bars at the front. Case is Nickel Silver Plate Movement is a 10AL 15 Jewel lever. Very light wear on the dial, but otherwise cosmetically in very good condition for its age.