The Seiko 5A74-3B30 is a watch model based on the 5A74 movement.
Parts List
| ESLN20SN01 | crystal |
| 27M10NE4 | crown - crown |
| 27M10NX4 | crown |
| 0E260NA1S | case back gasket - rotating bezel gasket |
| VI329 | band - band |
| VI328 | band - band |
| VI334 | band - band |
| 08V12JSH | others - hour hand |
| 08V12JSM | others - minute hand |
| 08V12JGH | others - hour hand |
| 08V12JGM | others - minute hand |
| 0354882 | others - winding stem |
| 5A743B3043 | others - case |
| 5A743B301E | others - case |
| 82831960 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |