The Seiko Y737-4A50 is a watch model based on the Y737 movement.
Parts List
| 0G320BA12 | case back gasket - case back gasket |
| FER7MB | band - band |
| FER6MB | band - band |
| FER5MB | band - band |
| T180CS | others - push pin |
| Y7374A50NGZ | others - case |
| Y7374A50NGY | others - case |
| Y7374A50NGX | others - case |
Other models with the same movement
| Y737-0AA0 |
| Y737-4A40 |