The Seiko 6431-5110 is a watch model based on the 6431 movement.
Parts List
| ES5N50GM01 | crystal |
| 35R34NG | crown |
| 35R344NS | crown |
| 35R34NA1 | crown - crown |
| 0A2700N01 | case back gasket - case back gasket |
| 86561940 | crystal gasket - plastic gasket for crystal |
| XGA48A | band - leather band |
| 11T08A3H | others - hour hand |
| 11T08CGM | others - minute hand |
| 0354641 | others - winding stem |
| 6431511025 | others - case |
| 64315200XG18 | others - dial |
| 82703460 | others - case ring |
| A180BS | others - push pin |
| 13SC04A2 | others - second hand |
Caliber 6431
