The Seiko 5421-5150 is a watch model based on the 5421 movement.
Parts List
| ES6N44GN00 | crystal - crystal |
| 35M94NA1 | crown |
| 35M94NS1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G1601N01 | case back gasket - case back gasket |
| TS05A | band - band |
| TS06A | band - band |
| 06T02DGH | others - hour hand |
| 06T02DGM | others - minute hand |
| 06T02DSH | others - hour hand |
| 06T02DSM | others - minute hand |
| 07SC02NG | others - second hand |
| 07SC02NS | others - second hand |
| 0354705 | others - winding stem |
| 5421515025 | others - case |
| 82705360 | others - case ring |
| 542151502E | others - case |
| 54210320XG14 | others - dial |
| 54210320XS13 | others - dial |
| 54211 | others - machine code |
| B080BS | others - push pin |
Caliber 5421
