The Seiko 3421-0070 is a watch model based on the 3421 movement.
Parts List
| 180N10GN00 | crystal - crystal |
| 30M06NA1 | crown - crown |
| 30M06NS1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H1860N01 | case back gasket - case back gasket |
| HS18A | band - band |
| HS19A | band - band |
| 07T10DSH | others - hour hand |
| 07T10DSM | others - minute hand |
| 08SC14NG | others - second hand |
| 07T06DBH | others - hour hand |
| 07T06DBM | others - minute hand |
| 07T10DGH | others - hour hand |
| 07T10DGM | others - minute hand |
| 342102008C53 | others - dial |
| 342102008F74 | others - dial |
| 3421021001G9 | others - dial |
| 34211 | others - machine code |
| A100AS | others - push pin |
| 0354546 | others - winding stem |
| 83118650 | others - case ring |
| 3421007011 | others - case |
| 83348489 | others - bezel |
| 3421007025 | others - case |
| 83348481 | others - bezel |
| 08SC14NS | others - second hand |
Caliber 3421
