The Seiko 5A74-0420 is a watch model based on the 5A74 movement.
Parts List
| 250N12SN00 | crystal |
| 25M16EX3 | crown |
| 25M16EE3 | crown |
| 0H2600N01 | case back gasket - case back gasket |
| VI174 | others - other band |
| VI198 | others - other band |
| 09V16JSH | others - hour hand |
| 09V16DGH | others - hour hand |
| 09V16DGM | others - minute hand |
| 09V16JSM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |