Seiko 7771-5000 Watch Guide The Seiko 7771-5000 is a watch model based on the 7771 movement.Parts ListGI093others - other bandOther models with the same movement7771-50107771-50117771-50207771-50217771-50227771-50307771-50317771-50407771-50507771-50607771-50707771-50807771-50817771-60007771-60107771-60207771-60217771-60227771-60307771-60407771-60507771-60517771-60607771-60617771-60707771-80007771-80107771-801A