The Seiko 2Y01-5C90 is a watch model based on the 2Y01 movement.
Parts List
| K04N06JM01 | crystal |
| K04N06JM | crystal |
| 30M98NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| G5131C | band |
| G5131C-BK5S | clasp - clasp |
| 07SC02NG | others - second hand |
| 0351236 | others - winding stem |
| 05T02NGM | others - minute hand |
| 82801060 | others - case ring |
| 2Y010K40XG14 | others - dial |
| 2Y015C90 | others - case back |
| 2Y015C9029 | others - case |
| 2Y019 | others - machine code |
| B080AS | others - push pin |
| 05T06NGH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2Y01
