The Seiko 1F21-0G80 is a watch model based on the 1F21 movement.
Parts List
| 165A06SR02 | crystal - crystal |
| 30MJ6NA5 | crown - crown |
| 0F160NA1S | case back gasket - case back gasket |
| DB36B-LK0G | band - link |
| DB36B-LK0S | band - link |
| DB36B | band - band |
| 3BA075F0BNG | others - second hand |
| 1BF045L0BDG | others - hour hand |
| 2BF065L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 1F210G80TA | others - case |
| 82822440 | others - case ring |
| 1F210G80 | others - case back |
| 1F211A30XS14 | others - dial |
| 1F215 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |