The Seiko 8Y21-5070 is a watch model based on the 8Y21 movement.
Parts List
| SAHN11JN01 | crystal - crystal |
| 35NJ7NN1 | crown |
| 0H2700B01 | case back gasket - case back gasket |
| B1691G | band |
| B1692G | band |
| B1691G-BK5G | clasp - clasp |
| B1692G-BK5G | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 09SC27NG | others - second hand |
| 10P53NGH | others - hour hand |
| 09P03DGM | others - minute hand |
| 2AA090A1BNG | others - minute hand |
| 09P27DGH | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351112 | others - winding stem |
| 82833610 | others - case ring |
| 8Y210150XG14 | others - dial |
| 8Y210160XB14 | others - dial |
| 8Y210300XB14 | others - dial |
| 8Y210300XG14 | others - dial |
| 8Y210300XS14 | others - dial |
| 8Y210310XB14 | others - dial |
| 8Y210310XG14 | others - dial |
| 8Y210310XS14 | others - dial |
| 8Y215070 | others - case back |
| 8Y21507025 | others - case |
| 8Y2183 | others - machine code |
| A160BS | others - push pin |
| 1AE057LABDG | others - hour hand |
| 09P27DGM | others - minute hand |
| 2AG090L0BNG | others - minute hand |
| 1AG060L0BNG | others - hour hand |
| 09SC31NG | others - second hand |
| 08P63CGM | others - minute hand |
| 08P63CGH | others - hour hand |
| 09P31NGM | others - minute hand |
| 09P31NGH | others - hour hand |
| SAHN11JN01 | crystal - crystal |
| 35NJ7NN1 | crown |
| 0H2700B01 | case back gasket - case back gasket |
| B1691G | band |
| B1692G | band |
| B1691G-BK5G | clasp - clasp |
| B1692G-BK5G | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 09SC27NG | others - second hand |
| 10P53NGH | others - hour hand |
| 09P03DGM | others - minute hand |
| 2AA090A1BNG | others - minute hand |
| 09P27DGH | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351112 | others - winding stem |
| 82833610 | others - case ring |
| 8Y210150XG14 | others - dial |
| 8Y210160XB14 | others - dial |
| 8Y210300XB14 | others - dial |
| 8Y210300XG14 | others - dial |
| 8Y210300XS14 | others - dial |
| 8Y210310XB14 | others - dial |
| 8Y210310XG14 | others - dial |
| 8Y210310XS14 | others - dial |
| 8Y215070 | others - case back |
| 8Y21507025 | others - case |
| 8Y2183 | others - machine code |
| A160BS | others - push pin |
| 1AE057LABDG | others - hour hand |
| 09P27DGM | others - minute hand |
| 2AG090L0BNG | others - minute hand |
| 1AG060L0BNG | others - hour hand |
| 09SC31NG | others - second hand |
| 08P63CGM | others - minute hand |
| 08P63CGH | others - hour hand |
| 09P31NGM | others - minute hand |
| 09P31NGH | others - hour hand |
Caliber 8Y21




