The Seiko 8420-7000 is a watch model based on the 8420 movement.
Parts List
| ESBN04SN00 | crystal |
| 26M06EX3 | crown - crown |
| 0H2395N01 | case back gasket |
| 07R14DSH | others - hour hand |
| 07R14DSM | others - minute hand |
| GI106 | others - other band |
| 81501406 | others - screw |
| 82722560 | others - case ring |
| 842070001E | others - case |
| 0354815 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
