Case measures 37mm lug to lug x 26.5mm non inclusive of the Crown using Calipers.
Butler finish Dial shows luminous Arabic Numerals, Bulova signature and tracks are printed in Black. Hour and Minute Hands are 'Cathedral' style and a Modern style Seconds Hand appears on a sub Dial partially obscuring the 6.
A Dust shield and Gold retaining ring appears over the Movement.
Movement block is Gold.
Hinged Caseback is stamped as shown.
Vintage display ad Dated 1930.