Seiko 9550-5119 Watch Guide The Seiko 9550-5119 is a watch model based on the 9550 movement.Parts List25M04NS1crown25M04NA1crown - crownCaliber 9550Other models with the same movement9550-50099550-50199550-50299550-50399550-50499550-50599550-50699550-50799550-50899550-50999550-51099550-51399550-51499550-51599550-51699550-51799550-51899550-51999550-52099550-52199550-52299550-52899550-52999550-53099550-53199550-53299550-53399550-53499550-53899550-53999550-54099550-54199550-54399550-54499550-54599550-54699550-54799550-54899550-55999550-56099550-57099550-60099550-60199550-60399550-80099550-8019