I believe this little beauty is a 1950 Academy Award B ladies watch.
The case is marked, Bulova 10k Gold filled LO and the serial number 255180. on the outside. On the inside Bulova . Fifth Avenue. New York.The movement is a 6BC 21 jewel unadjusted. and is marked A9.
the bracelet is marked . Speidel 56 expanding gold plated.
The crown is marked Bulova
Looking through the adverts in the db. the watch has the same dial and case as the A.A B in the 1950 advert. although the strap is different.
There seems to be very little ware to either the case or strap, but it does require a new crystal. the watch runs but will need a service.