Based on the 1960 date this appears to be a 1960 Bulova SVP IV. The case is stainless and has a compression case back that holds the movement and crystal. The dial is white with the hour markers on the quarters. The movement is a 11AF 17J but with an L5 date code. 5 year gap could be a replaced movement. Found match in the 1960 LineBook
Case Serial No.