The Seiko 8420-0140 is a watch model based on the 8420 movement.
Parts List
| 190N22SN00 | crystal |
| 25M02NX3 | crown - crown |
| 0H1720N01 | case back gasket - case back gasket |
| DK30B | band - leather band |
| A110AS | others - push pin |
| 07V06CGH | others - hour hand |
| 07V06CGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
