The Seiko 1N00-5E50 is a watch model based on the 1N00 movement.
Parts List
| ESMN04JH02 | crystal |
| ESMN04JH01 | crystal |
| ESMN04JH | crystal |
| 30M98NA1 | crown |
| 0H1610B01 | case back gasket |
| 0H1610B0 | case back gasket |
| B5681G | band |
| B5681C-LKG | band - link |
| B5681G-LKG | band - link |
| B5681C | band |
| B5681G-BK4G | clasp - clasp |
| B5681C-BK4G | clasp - clasp |
| 1CA030AMBNG | others - small hand (6h) |
| 2CA045AMBNG | others - minute hand |
| 0351807 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1N001J30XG14 | others - dial |
| 1N001J30XS14 | others - dial |
| 1N005E50 | others - case back |
| 1N005E5025 | others - case |
| 1N005E5029 | others - case |
| 1N009 | others - machine code |
| 82830720 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1N00
