The Seiko 2Y01-5A90 is a watch model based on the 2Y01 movement.
Parts List
| SAAW18JN01 | crystal |
| SAAW18JN | crystal |
| 30MA2NS1 | crown - crown |
| EZ0035B0 | case back gasket |
| 0A1600N01 | case back gasket |
| M5061G | band |
| M5061S | band |
| M5061G-BK3G | clasp - clasp |
| 07SC02NG | others - second hand |
| 07SC02NS | others - second hand |
| 05T02NGH | others - hour hand |
| 05T10NGM | others - minute hand |
| 0351236 | others - winding stem |
| 2Y010F00XG14 | others - dial |
| 2Y010F00XS13 | others - dial |
| 2Y010F00XS24 | others - dial |
| 2Y010F10XB14 | others - dial |
| 2Y010F20XG14 | others - dial |
| 2Y010F30XB14 | others - dial |
| 2Y010F30XG14 | others - dial |
| 2Y015A90 | others - case back |
| 2Y015A9075 | others - case |
| 2Y015A9079 | others - case |
| 2Y019 | others - machine code |
| 82733920 | others - case ring |
| B080AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 05T10NSM | others - minute hand |
| 05T02NSH | others - hour hand |
Caliber 2Y01
