The Seiko 5A74-3D20 is a watch model based on the 5A74 movement.
Parts List
| ES2A18SZ0C | crystal - crystal |
| 25M02NS3 | crown |
| 0F270NA1S | case back gasket - case back gasket |
| VI383 | band - band |
| 5A743D2011 | others - case |
| 82839080 | others - case ring |
| 5A743D20 | others - case back |
| 0354882 | others - winding stem |
| 09V08D1H | others - hour hand |
| 09V08D1M | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |