Seiko 8522-5049 Watch Guide The Seiko 8522-5049 is a watch model based on the 8522 movement.Parts ListESEN47JN00crystal35NK5NA1crown35NK5NS1crownCaliber 8522Other models with the same movement8522-00108522-00208522-00308522-00318522-00408522-00418522-00508522-00518522-00598522-00608522-00618522-00708522-00718522-00808522-00998522-01008522-50008522-50108522-50118522-501A8522-501J8522-50208522-50308522-50408522-50418522-50508522-50598522-50608522-50618522-50708522-50718522-50808522-50908522-51008522-51108522-5120