The Seiko 5A74-5420 is a watch model based on the 5A74 movement.
Parts List
| SAHN10SM01 | crystal - crystal |
| 27M02EEA | crown |
| 27M02EX3 | crown |
| 0E230NA1S | case back gasket - case back gasket |
| 0H2300N01 | case back gasket |
| LK43P | band - leather band |
| LK54P | band - band |
| 08V40JGM | others - minute hand |
| 08V40JSM | others - minute hand |
| 10V10DSH | others - hour hand |
| 0354882 | others - winding stem |
| 81501405 | others - case back screw |
| 82824281 | others - case ring |
| 5A74542043 | others - case |
| 81501406 | others - screw |
| A180AS | others - push pin |
| 10V10DGH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |