Looks like a 1924 Bulova 'Norma' or 'Juno'. It's in good condition with the original crown. The dial (possibly sterling silver) could use some cleaning & it needs a new crystal.
Dear Silvercloud, indeed there was some confusion about the name in the December 1924 newspapers where the watch got two names: Norma and Juno. Your watch however is earlier than this first ad so I would go by the name, or better said “number” this model had prior to those ads: 6720.
By the way, you will find there is a number 1 stamped before the 39. Can you update the serial number? Thanks!
Thanks for the update. You are right that there is possibly a 1 at the beginning although it is extremely hard to see. As far as updating serial number, the site won't let me make any changes as it says that it too late for edits.
I noticed that I am able to do it. My apologies.
I will agree with Alex and here is an ad.
A 15 jewel movement would make this a Bulova 6520 model.
1924 Bulova 6520
1924 Bulova 6520
Based on other examples and the notion that gold filled had a different number than the solid gold cases (usually one number below), I believe this one should also be ID'd as a 6519 the same as these other examples:
Generally speaking this is what I've observed:
First number of Ladies Models:
1 = 10 ligne
5 = 5 ligne
6 = 6 ligne
9 = 9 ligne
Second number of Ladies Models:
5 = 15 jewels
7 = 17 jewels
8, 9 = 17 jewels with platnuim/gold case with set gems (diamonds and/or sapphires)
Last two or one digit of Ladies Models:
Even = Solid Gold case
Odd = Gold Filled, Platinum or Silver case
FLAG !!!
By case s/n this one should be a 1923.