The Seiko 8420-0249 is a watch model based on the 8420 movement.
Parts List
| 190N30SM01 | crystal |
| 25M28NA1 | crown |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| 0H1610N01 | case back gasket |
| BHJ16G | band - leather band |
| BHJ17G | band - leather band |
| KHA03G | band - leather band |
| 07V16DBM | hand - minute hand |
| 07VC0NBH | hand - hour hand |
| 82724100 | others - case ring |
| 84200249 | others - case back |
| 8420024925 | others - case |
| 84202730XS19 | others - dial |
| 84209 | others - machine code |
| A120AS | others - push pin |
| 0354815 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
