The Seiko 5931-5400 is a watch model based on the 5931 movement.
Parts List
| ES8N03SN00 | crystal - crystal |
| 35N85DA5 | crown - crown |
| 35N91DA6 | crown |
| 0H2400B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| LK64A | band - band |
| 12P01NGH | others - hour hand |
| 12P01NGM | others - minute hand |
| 12P01D1H | others - hour hand |
| 12P01D1M | others - minute hand |
| 11SC29DG | others - second hand |
| 83124790 | others - case ring |
| 5931540025B | others - case |
| 593110 | others - machine code |
| 59315500XG14 | others - dial |
| A180BS | others - push pin |
| 5931540025A | others - case |
| 0354494 | others - winding stem |
Caliber 5931
