The Seiko H601-5440 is a watch model based on the H601 movement.
Parts List
| RE1W93LN01 | crystal |
| RE1W93LN | crystal |
| 45EB3NA1 | crown |
| 45EB3NS1 | crown |
| FH2980B0B | case back gasket |
| EB0075B0A | case back gasket - button gasket |
| EB0075B0 | case back gasket |
| 86588430 | crystal gasket |
| 80638879 | pusher |
| 80638871 | pusher |
| Z1544S | band |
| Z1544G | band |
| 83200273 | others - button spring clip |
| 0A0150B0A | others - crown and stem gasket |
| 07SC63PS | others - second hand |
| 07SC63PG | others - second hand |
| 07PG3LGM | others - minute hand |
| 07PD5LGH | others - hour hand |
| 07PG3LSM | others - minute hand |
| 07PD5LSH | others - hour hand |