This is my latest "restoration" project and appears to be a 1930 Bulova Sky King. It is a 14Kt White gold hinged case with yellow gold engraving around the crystal. The dial is white with yelllow gold applied hour markers and a black printed minute track. The movement is a 10AN with an Omega date code. It is missing the dust cover. The ad seems to show this was a non-radium dial version with "Modern" hands and assumed applied yelloww gold hour markers. With a two tone case it makes sense that this is how the watch was from the factory.
In reply to Oops I meant to say SKY KING. by JimDon5822
I used to think these were dial swaps, because the inner chapter ring is not the same shape as the bezel opening.
I think in this case the subject watch may be a re-dial, as the chapter ring does not match the ad, which has flat top and bottom. Probably a Sky King by the case design.