The Seiko 4206-5631 is a watch model based on the 4206 movement.
Parts List
| SA7W20GN00 | crystal |
| SA7W20GN | crystal |
| 40MF5NS1 | crown |
| FH2130B01 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86572180 | crystal gasket |
| Z5238J | band |
| 3BA075F1BNS | others - second hand |
| 0351420 | others - winding stem |
| 06SC11NS | others - second hand |
| 06C59KSM | others - minute hand |
| 07C69KSH | others - hour hand |
Caliber 4206
