The Seiko 8M25-6120 is a watch model based on the 8M25 movement.
Parts List
| 270P01SN03 | crystal |
| 40MA5NA1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86581930 | crystal gasket - plastic gasket for crystal |
| 86591830 | bezel gasket |
| 80608395 | pusher |
| GB02B | band - metal band |
| 0351148 | others - winding stem |
| EG0060B01 | others - button gasket |
| 83200273 | others - button spring clip |
| 82350671 | others - bezel |
| 82350675 | others - bezel |
| 82831190 | others - case ring |
| 8M2560 | others - machine code |
| 8M256120 | others - case back |
| 8M2561206Y | others - case |
| 8M25612098 | others - case |
| 8M256150XS14 | others - dial |
| 8M256160XS14 | others - dial |
| A140BS | others - push pin |
| 11R15AGH | others - hour hand |
| 11R31A1H | others - hour hand |
| 11R31C1M | others - minute hand |
| 11R15AGM | others - minute hand |