This appears to be a 1959 Bulova Senator "H". The case is 10KT yellow gold plate with a stainless steel back and L9 date code. The movement is a 11AF 17J with an L9 date code. The dial is two tone silver and white with 3,9 and 12 hour markers. Found listing in the 1958-1959 Line Book BAWD0136
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