By Mvmnt date code and case serial# i believe this to be a 1942 model. Case is 14k Rose Gold Filled with articulating driving lugs. Case width is 24.6mm square excluding crown with approx 55m overall including the lugs. Approx 39mm springbar to spring bar.
10AK Bulova USA mvmnt with arrow date code, Blued hands and copper toned dial.
Having trouble finding a model name or any adverts for this model.