The Seiko 6431-5150 is a watch model based on the 6431 movement.
Parts List
| ES6N16GN00 | crystal - crystal |
| 35R34NS1 | crown - crown |
| 35R34NA1 | crown - crown |
| 0A2700N01 | case back gasket - case back gasket |
| YK60A | band - band |
| YK61A | band - band |
| YK62A | band - band |
| 10T08DGM | others - minute hand |
| 10T08DSM | others - minute hand |
| 10T16NGH | others - hour hand |
| 09T22CGH | others - hour hand |
| 10T16NSH | others - hour hand |
| 10T46CGM | others - minute hand |
| 0354641 | others - winding stem |
| 64315270XG18 | others - dial |
| 64315270XS13 | others - dial |
| 64315280XB14 | others - dial |
| A180BS | others - push pin |
| 6431515025 | others - case |
| 82705560 | others - case ring |
| 643151502E | others - case |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
Caliber 6431
