The Seiko 4N01-0540 is a watch model based on the 4N01 movement.
Parts List
| 150A02JN02 | crystal - crystal (inorganic) |
| 6M30B5SNW0 | crown - crown |
| 6M30B5NNG0 | crown - crown |
| 6M30B5NN | crown |
| 6M30B5SN | crown |
| 0F140BAA | case back gasket |
| 0F140BAA3 | case back gasket - case back gasket |
| 4164CG | band |
| 4164CG-LKG | band - link |
| 4164AG-LKS | band - link |
| 4164BG-LKG | band - link |
| 4164BG | band |
| 4164AG | band |
| 4164CG-BK4G | clasp - clasp |
| 4164BG-BK4G | clasp - clasp |
| 4164AG-BK4S | clasp - clasp |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 1BE040L0BDG | others - hour hand |
| 2BE060L0BDG | others - minute hand |
| 2BH060A1BNS | others - minute hand |
| 1BH040A1BNG | others - hour hand |
| 1BH040A1BNS | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 82841570 | others - case ring |
| 4N010540 | others - case back |
| 4N01054075A | others - case |
| 4N01054079A | others - case |
| 4N0105407HA | others - case |
| 4N011070XG14 | others - dial |
| 4N011070XG24 | others - dial |
| 4N011070XS13 | others - dial |
| 4N011070XS24 | others - dial |
| 4N011080XB14 | others - dial |
| 4N011080XG14 | others - dial |
| 4N011080XS14 | others - dial |
| 4N0161 | others - machine code |
| T070BS | others - push pin |
| 2BH060A1BNG | others - minute hand |