The Seiko 1F21-5B60 is a watch model based on the 1F21 movement.
Parts List
| RE1A10SV0C | crystal |
| 30MA2NA1 | crown - crown |
| 0F170NA1S | case back gasket - case back gasket |
| D052CB | band - metal band |
| 2BA052A1BNG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 0351807 | others - winding stem |
| 1BA037A1BNG | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 82835340 | others - case ring |
| 1F211D80XL14 | others - dial |
| 1F211D90XS14 | others - dial |
| 1F215 | others - machine code |
| 1F215B60 | others - case back |
| 1F215B6079 | others - case |
| EZ0035B01 | others - crown and stem gasket |