The Seiko 1N01-5C40 is a watch model based on the 1N01 movement.
Parts List
| BA1A50JR02 | crystal - crystal |
| 6K40A6SNWC | crown - crown |
| 6K40A6SNWB | crown - crown |
| 6K40A6SNWD | crown - crown |
| 0F160NA1S | case back gasket - case back gasket |
| 44Z2JZ | band - band |
| 44Z4LZ | band - band |
| 44Z2JZ-LK2 | band - link |
| 44Z4LZ-LK4 | band - link |
| 44Z2JZ-BKF | clasp - buckle |
| 44Z2JZ-PB2 | clasp - parts for buckle |
| 44Z4LZ-BKF | clasp - buckle |
| 44Z4LZ-PB2 | clasp - parts for buckle |
| 2BG050L2BDG | others - minute hand |
| 1BG032L2BDG | others - hour hand |
| 3BA075F0BNG | others - second hand |
| 3BA075F0BNS | others - second hand |
| 2BG050L2BDS | others - minute hand |
| 1BG032L2BDS | others - hour hand |
| 0351807 | others - winding stem |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82838440 | others - case ring |
| 1N015C4061X | others - case |
| 1N015C40 | others - case back |
| 1N011G58XG23 | others - dial |
| 1N011G58XL14 | others - dial |
| 1N011G58XS24 | others - dial |
| 1N019 | others - machine code |
| 1N015C4061Y | others - case |
| 1N015C4061Z | others - case |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1N01
