The Seiko 8Y21-5069 is a watch model based on the 8Y21 movement.
Parts List
| BA6N95JM01 | crystal |
| 35NJ7NN1 | crown |
| 0H2600B01 | case back gasket - case back gasket |
| G1382G | band |
| B1685G | band |
| G1382G-BK5G | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 09P21NGH | others - hour hand |
| 0351112 | others - winding stem |
| 82739510 | others - case ring |
| 8Y210060XB14 | others - dial |
| 8Y210070XG14 | others - dial |
| 8Y215069 | others - case back |
| 8Y21506925 | others - case |
| 8Y2183 | others - machine code |
| A160BS | others - push pin |
| DA007BA11 | others - crown and stem gasket |
| 09P21NGM | others - minute hand |
| 09SC31NG | others - second hand |
| 1AA060A3BNG | others - hour hand |
| 2AA085A3BNG | others - minute hand |
| 09P71NGM | others - minute hand |
| 09P71NGH | others - hour hand |
Caliber 8Y21
