The Seiko H601-8020 is a watch model based on the H601 movement.
Parts List
| 310W35FK01 | crystal |
| 310W35FK | crystal |
| 45EA1NS1 | crown |
| 45EA1NG1 | crown |
| FE348BAA1 | case back gasket |
| 012920B03 | case back gasket - gasket |
| EB0075B0A | case back gasket - button gasket |
| EB0075B0 | case back gasket |
| 86582770 | crystal gasket |
| 80609319 | pusher |
| ZPA28S | band |
| Z1384S | band |
| 11PA7LSH | hand - hour hand |
| 11PA7LSM | hand - minute hand |
| 10SC65PS | others - second hand |
| 8281231A | others - case ring |
| 81401679 | others - washer |
| 86012177 | others - rotating bezel |
| 8995219A | others - back plate |
| A180CS | others - push pin |
| H6018020WE | others - case |
| H601803LXB13 | others - dial |
| 81351010 | others - button spring |
| 83200271 | others - button spring clip |
| 0A0150B0A | others - crown and stem gasket |
| 3AX110F3AL1 | others - second hand |
| 89995390 | others - pusher spacer |
| 12P85LSM | others - minute hand |
| 12P85LSH | others - hour hand |
| 11SC61PS | others - second hand |