1967 Clipper. M7 on the case, M6 on the movement. Shock resist. S/S Case. Waterproof. Automatic on the dial while Self Winding on the case back.
Matches this one I believe : https://www.mybulova.com/watches/1967-clipper-5901
32mm wide case. 39mm lug to lug. 17mm between lugs. The hour markers appear to have lumin that is turning greenish. Runing strong.