The Seiko 1N01-5B00 is a watch model based on the 1N01 movement.
Parts List
| K01A04JR02 | crystal - crystal |
| K01A04JR | crystal |
| 6M40A2SNG1 | crown - crown |
| 6M40A2SN | crown |
| 0F150NA1S | case back gasket - case back gasket |
| 0F150NA1 | case back gasket |
| 43X9CZ | band - band |
| 43X9LZ | band - band |
| 43X9BZ | band - band |
| 43X9KZ | band - band |
| 43X9BZ-LKG | band - link |
| 43X9CZ-LKG | band - link |
| 43X9KZ-LKG | band - link |
| 43X9LZ-LKG | band - link |
| 43X9KZ-BK4G | clasp - buckle |
| 43X9BZ-BK4G | clasp - buckle |
| 43X9LZ-BK4S | clasp - buckle |
| 43X9CZ-BK4S | clasp - buckle |
| 2BC055A1BAA | others - minute hand |
| 1BG037LABDG | others - hour hand |
| 1BC037A1BAA | others - hour hand |
| 3BA075F0BNG | others - second hand |
| 2BA055A1BNG | others - minute hand |
| 2BG055LABDG | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1BA037A1BNG | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81182699 | others - bracelet fixing pipe |
| 81190055 | others - bracelet fixing pipe |
| 82837320 | others - case ring |
| 1N015B0075 | others - case |
| 1N015B00 | others - case back |
| 1N011D30XS14 | others - dial |
| 1N011D38XS14 | others - dial |
| 1N011D90XS34 | others - dial |
| 1N011D98XG14 | others - dial |
| 1N011D98XS34 | others - dial |
| 1N011E08XS19 | others - dial |
| 1N019 | others - machine code |
| 1N015B0075Z | others - case |
| 1N015B007H | others - case |
| 1N015B007HZ | others - case |
Caliber 1N01
