This is a solid gold case seiko watch, with one of the first Quartz movements by Seiko around. It beloged to my father in law, wich I got went he past away, was cleaned and set for running with a new battery and still keeps time as its first day out of the factory. Model year is March of 1977. 18Kt Gold. Serial 732075 Model 43-0128. Movement series  43.