The Seiko 8420-6070 is a watch model based on the 8420 movement.
Parts List
| SA8N08SN00 | crystal |
| 25M08EE4 | crown |
| 0G1800N01 | case back gasket |
| MK15ZA | band - leather band |
| A130AS | others - push pin (for lb) |
| 06R20D3H | others - hour hand |
Caliber 8420
Seiko 8420-6070 Watch Guide