The Seiko 7M12-7A20 is a watch model based on the 7M12 movement.
Parts List
| 285W32SN01 | crystal |
| 38M20NA2 | crown |
| 38M20NS2 | crown |
| FH2981B01 | case back gasket - case back gasket |
| GK22C | band - leather band |
| GK23C | band - leather band |
| 12ST06DA | others - second hand |
| 12ST06DC | others - second hand |
| 0351670 | others - winding stem |
| 0801954 | others - date dial |
| 0801955 | others - date dial |
| 0866581 | others - holding ring for dial |
| 7M121 | others - machine code |
| 7M127A20 | others - case back |
| 7M127A2061 | others - case |
| 7M127A2075 | others - case |
| 7M127A50XG14 | others - dial |
| 7M127A50XS13 | others - dial |
| A180BS | others - push pin |
| 12T18CGM | others - minute hand |
| 12T18CSM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12TB8CGH | others - hour hand |
| 12TB8CSH | others - hour hand |
Other models with the same movement