The Seiko 4N20-1130 is a watch model based on the 4N20 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 6M45A1NNG0 | crown - crown |
| 6M45A1NNW0 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| XX000 | band - band |
| WAS9DW | band - band |
| WAT1DW | band - band |
| 2CC070A1BAH | others - minute hand |
| 1CC047A1BAH | others - hour hand |
| 0351157 | others - winding stem |
| 81181859 | others - bracelet fixing pipe |
| 82850590 | others - case ring |
| 4N20113026A | others - case |
| 4N200AA0XA19 | others - dial |
| 4N202010XA14 | others - dial |
| 4N2061 | others - machine code |
| 81332291 | others - spring |
| 81873751 | others - case bow |
| 81873752 | others - case bow |
| 4N2011302E | others - case |
| 1CC047A1BAA | others - hour hand |
| 2CC070A1BAA | others - minute hand |