The Seiko 8420-6350 is a watch model based on the 8420 movement.
Parts List
| RE3N16SN00 | crystal |
| 25M02NA3 | crown |
| 0G1900N01 | case back gasket - case back gasket |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| DK25X | band - leather band |
| A130AS | others - push pin (for lb) |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
