The Seiko 1F21-0G50 is a watch model based on the 1F21 movement.
Parts List
| 190W24SN01 | crystal |
| 6K30A1SJA0 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| MK63F | band - leather band |
| 2BC075A0BAA | others - minute hand |
| 3BA075F0BNG | others - second hand |
| A120BS | others - push pin (for lb) |
| 1F210G50 | others - case back |
| 1F210G50RC | others - case |
| 1F210K70XS19 | others - dial |
| 1F215 | others - machine code |
| 0351807 | others - winding stem |
| 1BX050A0BAA | others - hour hand |
| 82822840 | others - case ring |