The Seiko 1N01-5F90 is a watch model based on the 1N01 movement.
Parts List
| ES4A33LN03 | crystal - crystal |
| 35MX7NN1 | crown - crown |
| 35MX7NNF | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| F1N9KZ | band - band |
| FG18KB | band - band |
| FFH5KB | band - band |
| FG19KB | band - band |
| 1AC047A1BAA | others - hour hand |
| 2AC070A1BAA | others - minute hand |
| 3BA075F1BNG | others - second hand |
| A110BS | others - push pin (for mb) |
| 0351807 | others - winding stem |
| 1N015F9001 | others - case |
| 82796380 | others - case ring |
| 1N015F9002C | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 1N015F9003C | others - case |
Caliber 1N01
