The Seiko 7431-5370 is a watch model based on the 7431 movement.
Parts List
| RE0W99HN00 | crystal - crystal |
| 32M15NA1 | crown - crown |
| 0F250BAA3 | case back gasket - case back gasket |
| 86571630 | crystal gasket - plastic gasket for crystal |
| NL08A | band - band |
| 09P07DGM | others - minute hand |
| 09SC27NG | others - second hand |
| 08P13DGH | others - hour hand |
| 3BA125F1BNG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0354077 | others - winding stem |
| 743153706M | others - case |
| 82721970 | others - case ring |
| 743110 | others - machine code |
| 74315510XS14 | others - dial |
| A180BS | others - push pin |
Caliber 7431
