The Seiko 1E70-3C20 is a watch model based on the 1E70 movement.
Parts List
| K00W96SK01 | crystal - crystal |
| 25M18TX1 | crown - crown |
| 25M18EE1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| WI511 | band - band |
| WI512 | band - band |
| 05V52JGH | others - hour hand |
| 05V52JSH | others - hour hand |
| 06V52JGM | others - minute hand |
| 06V52JSM | others - minute hand |
| EZ0035B0D | others - crown and stem gasket |
| 82836900 | others - case ring |
| 1E703C206E | others - case |
| 1E703C2093 | others - case |
| 0354930 | others - winding stem |