The Seiko 3M22-0E50 is a watch model based on the 3M22 movement.
Parts List
| 220P03LN03 | crystal |
| 8K45B3SNS0 | crown - crown |
| FE258BA11 | case back gasket - case back gasket |
| 86581360 | crystal gasket - plastic gasket for crystal |
| A35A03SMS0A | pusher - button(3h) |
| 71M6ZG-LK5 | band - link |
| 71M6ZG | band - band |
| 71M6ZG-BKB | clasp - buckle |
| 71M6ZG-PB1 | clasp - parts for buckle |
| 1AH055FABES | others - hour hand |
| 2AH085FDBES | others - minute hand |
| 3AA125F1AFR | others - second hand |
| AD006BAD1 | others - crown and stem gasket |
| 81180249 | others - bracelet fixing pipe |
| 81601389 | others - bracelet fixing pin |
| 82835760 | others - case ring |
| 3M220E5087 | others - case |
| 3M220E5087A | others - case |
| 3M220E5087B | others - case |
| 3M220E5087C | others - case |
| 0878696 | others - date dial |
| 0878698 | others - date dial |
| 3M220H44X913 | others - dial |
| 3M220H44XB13 | others - dial |
| 3M220H44XL13 | others - dial |
| 3M220H44XS13 | others - dial |
| 3M220H44XZ13 | others - dial |
| 3M222 | others - machine code |
| 0351550 | others - winding stem |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
Caliber 3M22
