The Seiko 1N01-5A40 is a watch model based on the 1N01 movement.
Parts List
| RE2N44GN00 | crystal |
| RE2N44GN | crystal |
| 30M98NA1 | crown |
| 30M98NB1 | crown |
| 0E180NA1S | case back gasket - case back gasket |
| 0E180BA1S | case back gasket - case back gasket |
| BKA33G | band |
| LOCAL | band - band |
| 4J01KB | band - band |
| 4J94YB | band - band |
| BKA33B | band - leather band |
| BKJ49B | band - leather band |
| ZKA33K | band - leather band |
| BKA33K | band - band |
| BKJ48K | band - band |
| BKJ49K | band - leather band |
| ZKJ31K | band - band |
| BKJ48G | band |
| BKJ49G | band |
| 2BA057A1BNG | others - minute hand |
| 2BC052A0BAA | others - minute hand |
| 3BA075F0BNG | others - second hand |
| 1BA035A1BNG | others - hour hand |
| 2BA055A1BNG | others - minute hand |
| 1BC040A1BAA | others - hour hand |
| 1BC037A0BAA | others - hour hand |
| 1BB040A1BNG | others - hour hand |
| 2BB057A1BNG | others - minute hand |
| 1BA040A1BNG | others - hour hand |
| 1N015A4025X | others - case |
| 82833600 | others - case ring |
| 1N015A40 | others - case back |
| 1N015A4025Z | others - case |
| 0351807 | others - winding stem |
| 1BF040L0BDG | others - hour hand |
| 1N015A40QNZ | others - case |
| 1N010G50XS19 | others - dial |
| 1N010G58XS19 | others - dial |
| 1N010G58XS29 | others - dial |
| 1N010G60XG14 | others - dial |
| 1N010G60XS14 | others - dial |
| 1N010G60XS24 | others - dial |
| 1N010G68XG14 | others - dial |
| 1N010G68XS14 | others - dial |
| 1N010G68XS24 | others - dial |
| 1N010G78XB14 | others - dial |
| 1N010G78XG14 | others - dial |
| 1N010G78XS14 | others - dial |
| 1N010J38X914 | others - dial |
| 1N010J38XB14 | others - dial |
| 1N010J38XG14 | others - dial |
| 1N010J48XS19 | others - dial |
| 1N010J48XS29 | others - dial |
| 1N010J48XS39 | others - dial |
| 1N010K68X914 | others - dial |
| 1N010K68XB14 | others - dial |
| 1N010K68XG14 | others - dial |
| 1N010K78X914 | others - dial |
| 1N010K78X924 | others - dial |
| 1N010K78X934 | others - dial |
| 1N010K78XG14 | others - dial |
| 1N011A28XG14 | others - dial |
| 1N011A28XS14 | others - dial |
| 1N011A28XS24 | others - dial |
| 1N011A48X914 | others - dial |
| 1N011A48X924 | others - dial |
| 1N011A48X934 | others - dial |
| 1N011A48X954 | others - dial |
| 1N011L08XB14 | others - dial |
| 1N015A4025 | others - case |
| 1N015A4025Y | others - case |
| 1N019 | others - machine code |
| A140AS | others - push pin |
| 2BF057L0BDG | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 2BG060L0BDG | others - minute hand |
| 06T07DGM | others - minute hand |
| 1BG040L0BDG | others - hour hand |
| 2BC057A1BAA | others - minute hand |
| 2BA055A1BAF | others - minute hand |
| 1BA035A1BAF | others - hour hand |
Caliber 1N01
