Match for an Accutron Date & Day "K".
Very distinctive lugs.
Welcome to myBulova and thank you for sharing your watch with us. I would agree with Accutron D & D "K". A nice looking watch.
Bulova Accutron Date & Date "K"
Nice one! 1970 Accutron Date and Day K
1970 Accutron Date and Day "K"