The Seiko 8Y21-0019 is a watch model based on the 8Y21 movement.
Parts List
| 160N83JM01 | crystal |
| 35M75NN1 | crown |
| 0G1820B01 | case back gasket |
| DH0115B01 | case back gasket - crown and stem gasket |
| B5563S | band |
| 07SC25NG | others - second hand |
| 07P27DGH | others - hour hand |
| 07P27DGM | others - minute hand |
| 2AA065A1BDG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 1AA042A1BNG | others - hour hand |
| 0351112 | others - winding stem |
| 160N83JM01 | crystal |
| 35M75NN1 | crown |
| 0G1820B01 | case back gasket |
| DH0115B01 | case back gasket - crown and stem gasket |
| B5563S | band |
| 07SC25NG | others - second hand |
| 07P27DGH | others - hour hand |
| 07P27DGM | others - minute hand |
| 2AA065A1BDG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 1AA042A1BNG | others - hour hand |
| 0351112 | others - winding stem |
Caliber 8Y21
