The Seiko 3M22-0D20 is a watch model based on the 3M22 movement.
Parts List
| 240P06HZ03 | crystal - crystal |
| 1E55A4SNW1 | crown - crown |
| 1E55A4SNG1 | crown - crown |
| 0J266BAA2 | case back gasket - case back gasket |
| 86575520 | crystal gasket - crystal plastic gasket |
| 80604621 | pusher - button |
| 80604629 | pusher - button |
| D0W9AG-LK00 | band - link |
| D0W9AG | band - band |
| 1AX057F2BSG | others - hour hand |
| 1AX057F2BSW | others - hour hand |
| 2AA095FMBSG | others - minute hand |
| 2AA095FMBSW | others - minute hand |
| 3AX095F0ASG | others - second hand |
| 3AX095F0ASF | others - second hand |
| 81400709 | others - button spring clip |
| 81350460 | others - button spring |
| EB0100B01 | others - button gasket |
| 82835760 | others - case ring |
| 0G271BA12 | others - rotating bezel gasket |
| 3M220D2061 | others - case |
| 86312229 | others - rotating bezel |
| 3M220D20 | others - case back |
| 3M220D2061A | others - case |
| 81400969 | others - button spring clip |
| 0878696 | others - date dial |
| 3M220F90XL23 | others - dial |
| 3M220F90XS14 | others - dial |
| 3M222 | others - machine code |
| 81333059 | others - click spring |
| 84327024 | others - dial ring |
| 84327025 | others - dial ring |
| C170ES | others - push pin |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
Caliber 3M22
