The Seiko 8420-6090 is a watch model based on the 8420 movement.
Parts List
| SA8N26SN00 | crystal - crystal (sapphire) |
| 25M08EE4 | crown |
| 0G1800N01 | case back gasket |
| DK04Z | band - leather band |
| LOCAL | band - band |
| 06R34CGM | others - minute hand |
| 06R34CGH | others - hour hand |
| 0354815 | others - winding stem |
| 82707420 | others - case ring |
| 8420609043 | others - case |
| A120AS | others - push pin |
Caliber 8420
