The Seiko 3M22-0A20 is a watch model based on the 3M22 movement.
Parts List
| 240P06HZ03 | crystal - crystal |
| 1E55A4SNG1 | crown - crown |
| 1E55A4SNW1 | crown - crown |
| 0J266BAA2 | case back gasket - case back gasket |
| 86575521 | crystal gasket |
| 80604629 | pusher - button |
| 80604621 | pusher - button |
| D075CG | band - metal band |
| DAL7AZ | band - other band |
| 1AX067F4BSF | others - hour hand |
| 2AX095F2BSF | others - minute 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 |
| 81400969 | others - button spring clip |
| 0878698 | others - date dial |
| 0878699 | others - date dial |
| 3M220A20 | others - case back |
| 3M220A2061 | others - case |
| 3M220A20MH | others - case |
| 3M220A20XB13 | others - dial |
| 3M220A20XY14 | others - dial |
| 3M222 | others - machine code |
| 81333059 | others - click spring |
| 84324883 | others - dial ring |
| 84324884 | others - dial ring |
| 86311704 | others - rotating bezel |
| 86311709 | others - rotating bezel |
| C170ES | others - push pin |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
| 3AX095F0ASA | others - second hand |
Caliber 3M22
