My hard data for this watch: Bulova 23j 10BZAC 10k rgp/ss E108449 L9_L9 Automatic Case w/o crown: 34.95mm Case material: 10K rolled gold plate w/stainless steel back Crown: 4.1mm unsigned; recessed flush with case Crystal, in watch: 28.80mm Lugs: 17.4mm Movement year: 1959; no serial number Inside back: BULOVA FIFTH AVE NEW YORK Back: #E108449; BULOVA; L9; 10Kt R.G.P./Stainless Steel Back; Self Winding; Shock Resistant; Anti-Magnetic; Water Proof. Snap Fit stainless Back Note: Starts running with minimal movement
I agree. 1959 Bulova 23 - variant currently unknown
Hi Jabs,
Followed your link and the watches are identical including the hands, with the exception of the sweep (has an arrowhead tip instead of a diamond), case material, and inscription on the rotor. I am curious if the inside of the case back also says "BULOVA FIFTH AVE NEW YORK"? I will ask.
In reply to Hi Jabs, Followed your link by gmmy775
this designation is common with watches of this time, here is a picture of other bulova 23 watches

1959 Bulova 23
1959 Bulova 23
Just like this one
Bulova 23
1959 Bulova 23, no variant- for now...
1960_LineBook_BAWD0139, page 37
Bulova 23 "CAW