The Seiko 3M21-0A70 is a watch model based on the 3M21 movement.
Parts List
| 240A02SN02 | crystal - crystal (sapphire) |
| 45M98NA1 | crown |
| 45M98NS1 | crown |
| 0F230NA1S | case back gasket - case back gasket |
| 80601229 | pusher |
| D0Y9AZ | band - band |
| 1AB065A1BNG | others - hour hand |
| 1AC065A1BAE | others - hour hand |
| 2AB095A1BNG | others - minute hand |
| 2AC095A1BAE | others - minute hand |
| 3AA125F6ANG | others - hand |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 0351550 | others - winding stem |
| EG0060B01 | others - button gasket |
| 82835760 | others - case ring |
| 3M210A7061 | others - case |
| 3M210A70 | others - case back |
| 3M210A7061A | others - case |
| 3M210B20XS14 | others - dial |
| 3M210B30XS14 | others - dial |
| 3M211 | others - machine code |
| A130BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
Other models with the same movement