The Seiko L122-4000 is a watch model based on the L122 movement.
Parts List
| ES2N38GM01 | crystal - crystal |
| ES2N38GM02 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| ML09A | band - band |
| ML10A | band - band |
| A150BS | others - push pin |
| L1221 | others - machine code |
| L122400025 | others - case |
| L12240002E | others - case |
| 0354850 | others - winding stem |
| 0Z0060B01 | others - crown and stem gasket |
Other models with the same movement
| L122-0010 |
| L122-4010 |
| L122-4020 |
| L122-4030 |
| L122-5000 |
| L122-5010 |
| L122-5020 |
| L122-5030 |
| L122-5040 |