The Seiko 7M22-8A50 is a watch model based on the 7M22 movement.
Parts List
| 290WA2LN01 | crystal |
| 290WA2LN | crystal |
| 230W08HV01 | crystal - (bodencrystal) |
| 35M82NA1 | crown - crown |
| 35M82NAI | crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| 86581200 | crystal gasket |
| 86574981 | crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| BQJ48G | band |
| 0801955 | others - date dial |
| 0866581 | others - holding ring for dial |
| 7M227 | others - machine code |
| 7M228A50 | others - case back |
| 7M228A5075 | others - case |
| 7M228A7LXG14 | others - dial |
| 82353941 | others - bezel |
| A190BS | others - push pin |
| 0351672 | others - winding stem |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12TE0KAM | others - minute hand |
| 12TE0KAH | others - hour hand |
Caliber 7M22
