The Seiko H801-8031 is a watch model based on the H801 movement.
Parts List
| 290P01HN03 | crystal - mineral crystal |
| 8M40A0SNW1 | crown - crown |
| 8M40A0NNG3 | crown - crown |
| 8M40A0NN | crown |
| 8M40A0SN | crown |
| 0F260BAA | case back gasket |
| 0F260BAA3 | case back gasket - case back gasket |
| 86582730 | crystal gasket - plastic gasket for crystal |
| 86561970 | bezel gasket - plastic gasket for bezel |
| 80631619 | pusher |
| 80631611 | pusher |
| 4194JZ | band |
| 3BA125F1BAR | others - second hand |
| 3BA125F1BAJ | others - second hand |
| 0351890 | others - winding stem |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 82817550 | others - case ring |
| 82290159 | others - bezel |
| A180BS | others - push pin |
| H80120 | others - machine code |
| H80121 | others - machine code |
| H8018031 | others - case back |
| H801803161A | others - case |
| H801803161B | others - case |
| H801803MXB13 | others - dial |
| H801803MXG14 | others - dial |
| H801803MXN13 | others - dial |
| H801803MXS13 | others - dial |
| 3BA125F1BA9 | others - second hand |
| AD006BA12 | others - crown gasket |
| 3BA125F1BA8 | others - second hand |
| 2AX105FDBLS | others - minute hand |
| 2AX105FDBLG | others - minute hand |
| 1AX075FHBLS | others - hour hand |
| 1AX075FHBLG | others - hour hand |