The Seiko 4N00-5939 is a watch model based on the 4N00 movement.
Parts List
| ES2A45JN02 | crystal - crystal |
| ES2A45JN | crystal |
| 32M41NN1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| M5120G-LKG | band - link |
| M5120G | band - band |
| M5120G-BK4G | clasp - buckle |
| 2CE045L0BDG | others - minute hand |
| DA007BA11 | others - crown and stem gasket |
| 4N002810XG14 | others - dial |
| 4N002810XZ14 | others - dial |
| 4N0061 | others - machine code |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81607579 | others - bracelet fixing pin |
| 4N00593925 | others - case |
| 82861250 | others - case ring |
| 4N005939 | others - case back |
| 0351155 | others - winding stem |
| 1CE030L2BDG | others - hour hand |