Seiko 5R66-0AA1 Watch Guide The Seiko 5R66-0AA1 is a watch model based on the 5R66 movement.Parts ListAA0E1ACband - leather bandA240CSothers - push pinOther models with the same movement5R66-0AA05R66-0AB05R66-0AB15R66-0AC05R66-0AC15R66-0ACA5R66-0AD05R66-0AH05R66-0AJ05R66-0AK05R66-0AM05R66-0AN05R66-0AP05R66-0AR05R66-0AS05R66-0AT05R66-0AV05R66-0AY15R66-0BC05R66-0BE05R66-0BM05R66-0BN05R66-0BR05R66-0BS0