The Seiko 8420-6150 is a watch model based on the 8420 movement.
Parts List
| RE2N54GN00 | crystal |
| 25M22NA1 | crown |
| 0G2300N01 | case back gasket |
| LK38B | band - leather band |
| LK39B | band - leather band |
| 0354815 | others - winding stem |
| 07R38CGH | others - hour hand |
| 82708940 | others - case ring |
| 84200580XG14 | others - dial |
| 84200580XL14 | others - dial |
| 8420615026 | others - case |
| A180AS | others - push pin |
| 07R38CGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
