The Seiko 3M22-0B20 is a watch model based on the 3M22 movement.
Parts List
| 240A02SN02 | crystal - crystal (sapphire) |
| 240A02SN | crystal |
| 8M40A0NNG1 | crown - crown |
| 8M40A0SNW1 | crown - crown |
| 8M40A0NN | crown |
| 8M40A0SN | crown |
| FH2580B01 | case back gasket |
| 80601221 | pusher |
| 80601229 | pusher |
| 4G36KB | band - leather band |
| 43F0JG | band - band |
| 43F0LG | band - band |
| 43F0BG | band - band |
| 43F0KG | band - band |
| 4G35KB | band - leather band |
| 43F0BG-LK3 | band - link |
| 43F0KG-LKG | band - link |
| 43F0LG-LKG | band - link |
| 43F0LG-BK1S | clasp - buckle |
| 43F0LG-PB1 | clasp - parts for buckle |
| 43F0BG-BKD | clasp - buckle |
| 43F0BG-PB1 | clasp - parts for buckle |
| 43F0KG-BK1G | clasp - buckle |
| 43F0KG-PB1 | clasp - parts for buckle |
| 3AA125F1ANS | others - second hand |
| 3AA125F1ANG | others - second hand |
| 2AB085A4BSG | others - minute hand |
| 2AB085A4BSS | others - minute hand |
| 1AB055A4BSG | others - hour hand |
| 1AB055A4BSS | others - hour hand |
| A110BS | others - push pin (for mb) |
| 0878696 | others - date dial |
| 0878699 | others - date dial |
| 0878700 | others - date dial |
| 3M220C50XG14 | others - dial |
| 3M220C58XG14 | others - dial |
| 3M220C58XL14 | others - dial |
| 3M220C58XS13 | others - dial |
| 3M220C68XS24 | others - dial |
| 3M222 | others - machine code |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 0351550 | others - winding stem |
| EG0060B01 | others - button gasket |
| 3M220B2075Z | others - case |
| 3M220B2079Z | others - case |
| 3M220B207HZ | others - case |
| 82835760 | others - case ring |
| 3M220B2075 | others - case |
| 3M220B20 | others - case back |
| AD006BA1 | others - crown gasket |
| 81400829 | others - button spring clip |
| AD006BA12 | others - crown gasket |
| 2AD095AMBAA | others - minute hand |
| 1AD065AMBAA | others - hour hand |
Caliber 3M22
