The Seiko 7M22-8A20 is a watch model based on the 7M22 movement.
Parts List
| 290WA2HN01 | crystal |
| 290WA2HN | crystal |
| 230W08HV01 | crystal - (bodencrystal) |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 35M82NAI-NSI | crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| 86574981 | crystal gasket |
| 86581200 | crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| G1399C-LKG | band - link |
| G1399G-LKG | band - link |
| G1399S-LKS | band - link |
| G1399C | band |
| G1399G | band |
| G1399S | band |
| G1399S-PB1 | clasp - parts for buckle/clasp |
| G1399G-PB1 | clasp - parts for buckle/clasp |
| G1399S-BK2S | clasp - clasp |
| G1399C-PB1 | clasp - parts for buckle/clasp |
| G1399G-BK2G | clasp - clasp |
| G1399C-BK2S | clasp - clasp |
| G1399C-EPG | others - endpiece |
| G1399G-EPG | others - endpiece |
| G1399S-EPS | others - endpiece |
| 0351672 | others - winding stem |
| 0801954 | others - date dial |
| 0801955 | others - date dial |
| 0866581 | others - holding ring for dial |
| 0878538 | others - date dial |
| 7M227 | others - machine code |
| 7M228A1LXB13 | others - dial |
| 7M228A1LXG14 | others - dial |
| 7M228A1LXN14 | others - dial |
| 7M228A1LXS13 | others - dial |
| 7M228A20 | others - case back |
| 7M228A2061 | others - case |
| 7M228A20RG | others - case |
| 7M228A20RH | others - case |
| 7M228A2LX914 | others - dial |
| 82350981 | others - bezel |
| 82350989 | others - bezel |
| A190BS | others - push pin |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12TA4KGM | others - minute hand |
| 12TA4KKM | others - minute hand |
| 12TA4KSM | others - minute hand |
| 12TA4KGH | others - hour hand |
| 12TA4KDH | others - hour hand |
| 12TA4KSH | others - hour hand |
Caliber 7M22
