The Seiko 5E21-6D70 is a watch model based on the 5E21 movement.
Parts List
| 270A02SN02 | crystal - crystal |
| 270WA2SN02 | crystal - crystal |
| 6K30A0SNG1 | crown |
| 0F250BA1S | case back gasket - case back gasket |
| 0F250NA1S | case back gasket |
| DAC2BW | band - band |
| WN86BW | band - band |
| 2BA115A1BAA | others - minute hand |
| 1BA080A1BAA | others - hour hand |
| 3AA125F0ANG | others - second hand |
| 0351624 | others - winding stem |
| 5E215 | others - machine code |
| 5E216D80XS14 | others - dial |
| 87020283 | others - back plate |
| A170BS | others - push pin |
| S170BS | others - push pin |
| 5E216D7075 | others - case |
| 5E216D70 | others - case back |
| 5E216D7075B | others - case |
| 5E216D7075C | others - case |
| 5E216D7075E | others - case |
| 5E216D7075L | others - case |
| 82812640 | others - case ring |
| EZ0035B01 | others - crown and stem gasket |