Seiko 6218-8000 Watch Guide The Seiko 6218-8000 is a watch model based on the 6218 movement.Parts List320W10GNcrystal40M03NcrownFH3000Ncase back gasketDJ0060Bothers - crown gasketOther models with the same movement6218-80106218-89506218-89606218-89706218-8971