Ornate curved Case mausures 37mm lug to lug X 13.5mm wide non inclusive of the Crown while using Calipers.
Original White Dial shows applied Gilt Arabic numerals and Hashmarks. Hour and Minute Hands are Black Modern style. Tracks are printed Black, Bulova logo is applied Gilt.
Caseback is Gold.
1937 Bulova 'DEBUTANTE' by Fifth Avenue Restorations.
I see the Debutante changes considerably btwn 1926 thru at least 1949 ads, but diff in the 1936 ad below. I didn't see your above ad yet, but am guessing around 1937/8?
while the 1939 ad below looks like subject watch.

William,
The display ad is Dated 1938 .
http://www.mybulova.com/sites/default/files/vintage_ads/bulova-ad-1938-…
(S) "Debutante"
In reply to William, The display ad is by FifthAvenueRes…
Thanks Mark I just went by that one....subject watch 17 jewels? three star ID.
17 Jewels.