The Seiko 1N01-5H40 is a watch model based on the 1N01 movement.
Parts List
| RE5A46JB0A | crystal - crystal |
| 6M30E5SNG0 | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| 30L7LZ-LK4 | band - link |
| 49V2LZ-LK4 | band - link |
| 30L7LZ | band - band |
| 49V2LZ | band - band |
| 1BA030A0BNG | others - hour hand |
| 2BA045A0BNG | others - minute hand |
| 3BA050F1BNG | others - second hand |
| 2BG047L0BDG | others - minute hand |
| 1BG030L0BDG | others - hour hand |
| DB004BAD1 | others - crown and stem gasket |
| B080BS | others - push pin |
| 0351807 | others - winding stem |
| 82834920 | others - case ring |
| 1N015H4001 | others - case |
| 1N015H40 | others - case back |
| 1N011X18XS34 | others - dial |
| 1N011X28XS14 | others - dial |
| 1N011X28XS24 | others - dial |
| 1N019 | others - machine code |
Caliber 1N01
