The Seiko 7N01-T020 is a watch model based on the 7N01 movement.
Parts List
| 270W99LN01 | crystal - crystal (inorganic) |
| 270W99LN | crystal |
| 35M0CNN1 | crown |
| FE278BA11 | case back gasket - case back gasket |
| FE278BA1 | case back gasket |
| 86593090 | crystal gasket |
| 86593095 | crystal gasket |
| ZPJ14K | band |
| ZPA30K | band |
| 2AC115A1BAA | others - minute hand |
| 3AA125F3ANG | others - second hand |
| 1AA080A1BNG | others - hour hand |
| 2AA115A1BNG | others - minute hand |
| 0D005BA15 | others - crown and stem gasket |
| 1AC080A1BAA | others - hour hand |