Movement Serial No.:
Case Serial No.:
Here is a recent ebay find, looks to be a Sea King K, from 1961. Movement marked M1, case marked on back, Bulova, stainless steel case, shock resistant, F440833, M1, anti magnetic, waterproof, no markings inside case back. Bulova marked crown, expansion band marked Twiston, USA. Running, case shows a little wear use, dial looks a bit dirty, nice clean hands.