The Seiko 8121-6000 is a watch model based on the 8121 movement.
Parts List
| 280W38GN00 | crystal - crystal |
| 35M82NS1 | crown - crown |
| 86173340 | case back gasket - plastic gasket for crystal |
| 86177922 | crystal gasket - plastic gasket for crystal |
| LN01A | band - band |
| 10T52NBH | others - hour hand |
| 10T52NBM | others - minute hand |
| 0354765 | others - winding stem |
| 8121600011 | others - case |
| 82721060 | others - case ring |
| 8121600011A | others - case |
| 81211 | others - machine code |
| 81216000XS19 | others - dial |
| C220FS | others - push pin |
| 13SC04AB | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 8121
Other models with the same movement
| 8121-8000 |