The Seiko 8420-6160 is a watch model based on the 8420 movement.
Parts List
| RE2N76GN00 | crystal |
| 25M22NA1 | crown |
| 0G1700N01 | case back gasket |
| DK23B | band - leather band |
| DK24B | band - leather band |
| 05R46CGH | others - hour hand |
| 0354815 | others - winding stem |
| 82708960 | others - case ring |
| 84200590XG14 | others - dial |
| 84200590XL14 | others - dial |
| 8420616026 | others - case |
| A120AS | others - push pin |
| 05R46CGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| RE2N76GN00 | crystal |
| 25M22NA1 | crown |
| 0G1700N01 | case back gasket |
| DK23B | band - leather band |
| DK24B | band - leather band |
| 05R46CGH | others - hour hand |
| 0354815 | others - winding stem |
| 82708960 | others - case ring |
| 84200590XG14 | others - dial |
| 84200590XL14 | others - dial |
| 8420616026 | others - case |
| A120AS | others - push pin |
| 05R46CGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
