The Seiko Y621-8030 is a watch model based on the Y621 movement.
Parts List
| 290A15JN02 | crystal - crystal |
| 45E39NS1 | crown |
| 0F240BAAS | case back gasket - case back gasket |
| DB0055B0A | case back gasket - crown and stem gasket |
| 86172261 | crystal gasket - plastic gasket for crystal |
| E060AG | band - band |
| EB56AB | band - band |
| 1FX092FABCC | others - hour hand |
| 1FX092FABCW | others - hour hand |
| 2FX115FBBCC | others - minute hand |
| 2FX115FBBCW | others - minute hand |
| 3BA125F1BNS | others - second hand |
| 200P02HN03 | others - crystal(case back) |
| 82702930 | others - case ring |
| Y621803079A | others - case |
| Y6218030 | others - case back |
| Y621803079B | others - case |
| 0884283 | others - holding ring for dial |
| A140BS | others - push pin |
| Y62120 | others - machine code |
| Y6218040XB13 | others - dial |
| Y6218050XS19 | others - dial |
| 0354022 | others - winding stem |
Other models with the same movement