The Seiko 7M12-6A20 is a watch model based on the 7M12 movement.
Parts List
| 275W26SN02 | crystal |
| 38M20NA2 | crown |
| FH2981B01 | case back gasket - case back gasket |
| AB12B-LK | band - link |
| AB12B | band - metal band |
| 0351670 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0801956 | others - date dial |
| 0866581 | others - holding ring for dial |
| 7M121 | others - machine code |
| 7M126A20 | others - case back |
| 7M126A20SF | others - case |
| 7M126A20XS14 | others - dial |
| 84321004 | others - dial ring |
| 11TB2NGM | others - minute hand |
| 12SC31VG | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12T08NAH | others - hour hand |
Other models with the same movement