36mm case width, 41mm case height, 10.5mm thick. Crystal is proud of bezel about 1mm, appears to be mineral crystal because of scratches. Bezel has radially brushed gold finish with recessed 3.75mm crown on right. Case sides are vertically brushed. Keeps time--can hear "the hum". Three-hand, day and date. White painted-on Breguet-style numerals on guilloche-type gold fume face...a basketweave look. No lume. Caseback is polished gold finish, inscribed with:
Bulova
Gold
Electroplate Bezel
10K R.G.P. Back
N5
Thanks for your help!
Cool watch. I note that the N5 date code is for 1975, not 1965, I've updated the record. In 1965 Accutron only used the 218 movement, which did not utilize a standard winding crown. The case shape of your watch is a representation of the Accutron tuning fork. I know that this case style was used for the 1975 Centenary watches (Bulova's 100 anniversary) but I think all the Centenary watches had "100" on the dial. I haven't found a match (yet) to a known model and wonder if the two letter day designation is an indicator of the origin. Normally, Date/Day models have a three letter day abbreviation. For now...1975 Bulova Date and Day Accutron
Ah, there it is! 1975 Bulova Accutron Date and Day model 22815-5Y

1975 Bulova Accutron Date and Day Model #22815-5Y looks to be an exact match.
Killer watch! Congrats.
1975 Bulova Accutron Date and Day Model #22815-5Y
Well found, Geoff.
Agreed. I've also had no luck finding a model variant other than the 22815-5Y.
Thanks guys! I should have caught that "N" code... And now I know what to replace the hideous Speidel band with!
This goes in the box next to my 1968 Type 4 Black Swiss Astronaut, which I was gifted new. I will photograph and post that soon.
Wonderful watch!
1975 Bulova Accutron Date and Day Model #22815-5Y