The Seiko l221-4010 is a watch model based on the l221 movement.
Parts List
ESOW63HE | crystal |
ES0W63HE10 | crystal |
ES0W63HE40 | crystal |
ES0W63HE50 | crystal |
DJ1830B34 | case back gasket |
86170941 | crystal gasket |
806-01691 | pusher |
EG0060B01 | others - button gasket |