The Seiko 1F21-0H70 is a watch model based on the 1F21 movement.
Parts List
| 195A02SN02 | crystal - crystal (sapphire) |
| 6K30A0SNG1 | crown |
| 0A1700N01 | case back gasket - case back gasket |
| DAP2BW | band - band |
| 3BA090F1BNG | others - second hand |
| 2BC080A0BAA | others - minute hand |
| 3BA090F0BNG | others - second hand |
| 3BA090F1BAB | others - second hand |
| 1BA055A2BAA | others - hour hand |
| 1BB055S0BCB | others - hour hand |
| 1BC055A0BAA | others - hour hand |
| 2BA080A0BAA | others - minute hand |
| 2BB075S0BCB | others - minute hand |
| 0351807 | others - winding stem |
| 1F210H7075 | others - case |
| 82822980 | others - case ring |
| 1F210H70 | others - case back |
| 1F210H7075B | others - case |
| 1F210H7075C | others - case |
| 1F210H7075D | others - case |
| 1F210150XS19 | others - dial |
| 1F211C10XG14 | others - dial |
| 1F211C20XS14 | others - dial |
| 1F211F70XS14 | others - dial |
| 1F211K10XS14 | others - dial |
| 1F211K30XG14 | others - dial |
| 1F215 | others - machine code |
| A120AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |